Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.03823E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T18:21:02+0800
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    1 Object 1

    AOE ID 23546
    NORAD ID 23546
    Object Type PAYLOAD
    Country
    ORB ORB
    ← VS →

    2 Object 2

    AOE ID 55436
    NORAD ID 55436
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ORBCOMM FM 2 STARLINK-5640
    Time of Closest Approach 2026-10-30T13:02:32+0000
    Collision Probability (Pc) 1.03823E-6
    Conjunction Distance (km) 2.372 km
    Relative Speed (km/s) 5.113 km/s
    Conjunction Risk Parameters R (Radial): 2.184 | I (In-track): 0.872 | C (Cross-track): -0.315
    Collision Risk Index (CRI) 0.35
    X Position (km) 2423.215 2424.244
    Position Y (km) -715.217 -714.555
    Position Z (km) 6466.807 6468.839
    Velocity X (km/s) -0.247 4.316
    Velocity Y (km/s) 7.512 6.152
    Velocity Z (km/s) 0.923 -0.936

    Orbital Parameters 国际轨道数据源

    Parameter ORBCOMM FM 2 STARLINK-5640
    Semimajor Axis (a) 6944.816 km 6950.112 km
    Eccentricity (e) 0.000803 0.000302
    Inclination (i) 69.9606° 70.0017°
    RAAN 277.5300° 233.9275°
    Perigee Argument 280.3071° 268.6261°
    Mean Anomaly (M) 79.7183° 49.2698°
    Apogee 572.257 km 574.077 km
    Perigee 561.101 km 569.873 km
    Orbit Epoch 2026-10-29T07:52:08+0000 2026-10-29T22:00:02+0000

    ORBCOMM FM 2 & STARLINK-5640 Collision Probability (Pc) Trend

    ORBCOMM FM 2 & STARLINK-5640 Collision Probability (Pc) TrendNot Available

    ORBCOMM FM 2 & STARLINK-5640 Miss Distance (Miss Distance) Trend

    ORBCOMM FM 2 & STARLINK-5640 Miss Distance (Miss Distance) TrendNot Available

    ORBCOMM FM 2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5640Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ORBCOMM FM 2Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5640Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ORBCOMM FM 2

    No nearby objects data