Unexplained Object in Sky? What to Do

If you see an unexplained object in the sky, stay calm, record it with your phone camera (video is better than photos), note the time, direction, and apparent motion, and then report it to the appropriate civilian or scientific organization. Do not assume it is extraterrestrial; most sightings are eventually identified as aircraft, drones, satellites, weather balloons, or atmospheric phenomena. This guide walks you through the steps to document, identify, and report a sighting responsibly.

Formula

The calculator estimates the apparent linear speed of an object based on your observation. The formula is:

Speed = (Altitude × Angular Distance in radians) / Time

Where:

• Altitude (h) – your estimated height of the object in kilometers (km). This is often the hardest value to guess; use known aircraft cruising altitudes (8–12 km) or satellite orbits (300–800 km) as a reference.
• Angular distance (d) – how many degrees the object moved across your field of view during the observation. The full moon is about 0.5 degrees; your outstretched fist is roughly 10 degrees.
• Time (t) – the duration of observation in minutes.

The result is an apparent speed in km/min and km/h. This is a rough estimate, not a precise measurement, because it depends on your altitude guess.

Worked Example

Using the default values: you watch an object for 5 minutes, it moves about 30 degrees across the sky, and you estimate its altitude at 10 km (like a commercial plane).

1. Convert degrees to radians: 30 × (π / 180) = 0.5236 radians
2. Distance traveled = altitude × radians = 10 km × 0.5236 = 5.236 km
3. Speed = distance / time = 5.236 km / 5 min = 1.047 km/min
4. Convert to km/h: 1.047 × 60 = 62.8 km/h

The calculator shows 1.05 km/min and 62.83 km/h. That is slow for an aircraft (which typically flies at 800 km/h), so the object might be a drone, a balloon, or your altitude estimate is off.

Why This Matters: The Context of UAP Sightings

Unidentified Anomalous Phenomena (UAP) is the official term replacing UFO. Governments and scientific bodies now take sightings seriously because of national security concerns and the possibility of novel atmospheric or aerospace technologies. Most sightings have mundane explanations, but a small percentage remain unexplained even after careful analysis. Knowing how to document your sighting helps researchers separate the truly unusual from the ordinary.

Step-by-Step: What to Do During the Sighting

1. Stay calm and keep watching. Note the object’s color, shape, lights, and any sound. If it is moving, watch for changes in speed or direction.
2. Start recording immediately. Use your phone’s video mode. Hold steady, zoom out (zooming in reduces quality), and include a fixed reference like a tree or building in the frame.
3. Note the time and your location. The exact time (UTC is best) and your GPS coordinates help correlate with radar data or satellite passes.
4. Estimate the object’s altitude and direction. Use the horizon and known landmarks. The moon’s width (0.5°) is a good angular ruler.
5. Check for common explanations. Look up flight tracking apps (e.g., Flightradar24) for aircraft; check satellite trackers (e.g., Heavens-Above) for passes; note if it is a balloon (moves with wind, no lights) or a drone (hovering, quadcopter sound).
6. Report the sighting. In the US, you can report to the National UFO Reporting Center (NUFORC) or the Mutual UFO Network (MUFON). If it appears to be a hazard to flight, contact the FAA or local law enforcement. For scientific data, consider the Galileo Project’s civilian reporting portal.

Common Misconceptions

• “It must be aliens.� No, the vast majority of sightings are identified as human-made objects or natural phenomena. The term “unidentified� simply means we don’t know yet.
• “The government is hiding everything.� While some classified military data exists, many civilian sightings are shared openly. Scientists are genuinely interested in unexplained cases.
• “My phone camera will get a clear image.� Most phone cameras cannot capture distant small objects clearly. You may get a blurry dot, but that’s still useful for timing and location.
• “If I report it, I’ll be ridiculed.� Reporting organizations treat witnesses seriously. You can remain anonymous if you prefer.

How to Choose Where to Report

• NUFORC – accepts reports by phone or online form, publishes anonymized accounts, and has a large database.
• MUFON – has trained field investigators who may interview you; good for detailed cases.
• Scientific research projects – e.g., the Galileo Project’s UAP reporting portal, which focuses on data collection for academic study.
• Local authorities – only if you suspect a crash, a hazard, or illegal activity (e.g., a drone near an airport).

When reporting, include your video, time, location, direction, altitude estimate, and any flight trackers you checked. The more data, the better.

Safety and Legal Considerations

Do not attempt to chase or intercept the object. If it is a military aircraft or drone, interfering is illegal. Never point lasers at any aircraft – that is a federal crime in many countries. If the object is close and behaving erratically, move indoors and report to local law enforcement. Do not touch any debris if something falls; note the location and call authorities, as it could be hazardous (e.g., a weather balloon payload).

Frequently Asked Questions

What if the object is moving too fast for me to record?

Just note the time, direction, and approximate speed. Fast streaks are often meteors or satellites. You can check satellite pass predictions later to see if one was overhead at that exact time.

Should I call 911?

Only if there is an immediate threat to people or property, such as a crash or a low-flying drone near an airport. For general sightings, use civilian reporting organizations instead.

Can I report a sighting I saw years ago?

Yes, NUFORC and MUFON accept historical reports. Include as many details as you remember: date, time, location, duration, and what you saw. Older reports are still useful for pattern analysis.

What is the difference between a UFO and a UAP?

UFO (Unidentified Flying Object) is the older term. UAP (Unidentified Anomalous Phenomena) is the current official term, encompassing not just objects in the air but also underwater or trans-medium phenomena. The change reflects a broader scientific approach.

Will the government confiscate my video?

No, civilian sightings are not confiscated. You can share your footage freely. Only if you are a military pilot or contractor might there be classification issues, but that does not apply to civilians.

How can I tell if it’s a satellite?

Satellites appear as steady, slow-moving points of light (no blinking), typically crossing the sky in a few minutes. They do not change direction. Use an app like Heavens-Above to check if a satellite was passing over your location at that time.

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in t | Time observed (min) | min | 5 | 0 | 120
in d | Angular distance (degrees) | deg | 30 | 0 | 180
in h | Estimated altitude (km) | km | 10 | 0 | 1000
out speed | Apparent speed (km/min) | km/min | (h * (d * 3.14159 / 180)) / t | 2
out speed_kmh | Apparent speed (km/h) | km/h | ((h * (d * 3.14159 / 180)) / t) * 60 | 2