Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.31118E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T13:03:17+0800
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    1 Object 1

    AOE ID 53936
    NORAD ID 53936
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    Name TROLL
    AOE ID 62658
    NORAD ID 62658
    Object Type PAYLOAD
    Country
    CZ CZ

    Conjunction Constraints

    Parameter STARLINK-4791 TROLL
    Time of Closest Approach 2026-09-07T04:32:37+0000
    Collision Probability (Pc) 1.31118E-6
    Conjunction Distance (km) 2.975 km
    Relative Speed (km/s) 14.012 km/s
    Conjunction Risk Parameters R (Radial): 2.222 | I (In-track): -0.797 | C (Cross-track): -1.809
    Collision Risk Index (CRI) 0.37
    X Position (km) 3970.632 3971.579
    Position Y (km) -2844.177 -2846.888
    Position Z (km) 4791.686 4792.465
    Velocity X (km/s) 6.096 -5.079
    Velocity Y (km/s) 3.524 1.95
    Velocity Z (km/s) -2.952 5.353

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4791 TROLL
    Semimajor Axis (a) 6848.847 km 6849.779 km
    Eccentricity (e) 0.000132 0.000282
    Inclination (i) 53.1588° 97.3844°
    RAAN 202.4751° 328.2818°
    Perigee Argument 81.6271° 94.2233°
    Mean Anomaly (M) 278.4880° 265.9330°
    Apogee 471.613 km 473.571 km
    Perigee 469.807 km 469.713 km
    Orbit Epoch 2026-09-04T21:13:01+0000 2026-09-03T18:48:09+0000

    STARLINK-4791 & TROLL Collision Probability (Pc) Trend

    STARLINK-4791 & TROLL Collision Probability (Pc) TrendNot Available

    STARLINK-4791 & TROLL Miss Distance (Miss Distance) Trend

    STARLINK-4791 & TROLL Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4791Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TROLLMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4791Collision Probability Trend

    Object 1 Probability TrendNot Available

    TROLLCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4791

    No nearby objects data