Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.479243E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-07T07:41:33+0800
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    1 Object 1

    AOE ID 25981
    NORAD ID 25981
    Object Type PAYLOAD
    Country
    ORB ORB
    VS

    2 Object 2

    AOE ID 42335
    NORAD ID 42335
    Object Type DEBRIS
    Country
    US US

    Conjunction Constraints

    Parameter ORBCOMM FM 31 NOAA 16 DEB
    Time of Closest Approach 2026-09-07T10:18:51+0000
    Collision Probability (Pc) 1.479243E-6
    Conjunction Distance (km) 2.735 km
    Relative Speed (km/s) 14.195 km/s
    Conjunction Risk Parameters R (Radial): 2.682 | I (In-track): 0.18 | C (Cross-track): -0.502
    Collision Risk Index (CRI) 0.38
    X Position (km) 4534.226 4532.147
    Position Y (km) -5481.72 -5479.945
    Position Z (km) -647.44 -647.448
    Velocity X (km/s) 3.786 -0.43
    Velocity Y (km/s) 3.741 -1.232
    Velocity Z (km/s) -5.245 7.364

    Orbital Parameters 国际轨道数据源

    Parameter ORBCOMM FM 31 NOAA 16 DEB
    Semimajor Axis (a) 7142.715 km 7147.999 km
    Eccentricity (e) 0.000376 0.002179
    Inclination (i) 45.0221° 98.5559°
    RAAN 135.4177° 307.7701°
    Perigee Argument 85.5239° 312.2669°
    Mean Anomaly (M) 274.6040° 47.6670°
    Apogee 767.266 km 785.437 km
    Perigee 761.890 km 754.287 km
    Orbit Epoch 2026-09-05T02:25:51+0000 2026-09-06T09:15:52+0000

    ORBCOMM FM 31 & NOAA 16 DEB Collision Probability (Pc) Trend

    ORBCOMM FM 31 & NOAA 16 DEB Collision Probability (Pc) TrendNot Available

    ORBCOMM FM 31 & NOAA 16 DEB Miss Distance (Miss Distance) Trend

    ORBCOMM FM 31 & NOAA 16 DEB Miss Distance (Miss Distance) TrendNot Available

    ORBCOMM FM 31Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    NOAA 16 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ORBCOMM FM 31Collision Probability Trend

    Object 1 Probability TrendNot Available

    NOAA 16 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ORBCOMM FM 31

    No nearby objects data