Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.089931E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T02:03:06+0800
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    1 Object 1

    AOE ID 51789
    NORAD ID 51789
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58030
    NORAD ID 58030
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3639 STARLINK-30549
    Time of Closest Approach 2026-10-29T04:46:58+0000
    Collision Probability (Pc) 3.089931E-6
    Conjunction Distance (km) 1.646 km
    Relative Speed (km/s) 7.165 km/s
    Conjunction Risk Parameters R (Radial): 0.45 | I (In-track): 1.4 | C (Cross-track): 0.741
    Collision Risk Index (CRI) 0.45
    X Position (km) -2660.804 -2662.276
    Position Y (km) 3801.324 3800.667
    Position Z (km) 5016.508 5016.836
    Velocity X (km/s) -7.038 -4.016
    Velocity Y (km/s) -1.713 -6.027
    Velocity Z (km/s) -2.428 2.428

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3639 STARLINK-30549
    Semimajor Axis (a) 6840.917 km 6840.922 km
    Eccentricity (e) 0.000127 0.000135
    Inclination (i) 53.1595° 53.1593°
    RAAN 9.4259° 80.6622°
    Perigee Argument 84.2605° 99.7650°
    Mean Anomaly (M) 113.5789° 260.3505°
    Apogee 463.648 km 463.711 km
    Perigee 461.912 km 461.859 km
    Orbit Epoch 2026-10-27T00:00:02+0000 2026-10-27T02:28:10+0000

    STARLINK-3639 & STARLINK-30549 Collision Probability (Pc) Trend

    STARLINK-3639 & STARLINK-30549 Collision Probability (Pc) TrendNot Available

    STARLINK-3639 & STARLINK-30549 Miss Distance (Miss Distance) Trend

    STARLINK-3639 & STARLINK-30549 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3639Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30549Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3639Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30549Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3639

    No nearby objects data