Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.912983E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T16:13:10+0800
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    1 Object 1

    AOE ID 53002
    NORAD ID 53002
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 64921
    NORAD ID 64921
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4121 STARLINK-34699
    Time of Closest Approach 2026-09-07T19:01:10+0000
    Collision Probability (Pc) 3.912983E-6
    Conjunction Distance (km) 1.668 km
    Relative Speed (km/s) 10.932 km/s
    Conjunction Risk Parameters R (Radial): -1.492 | I (In-track): -0.518 | C (Cross-track): 0.536
    Collision Risk Index (CRI) 0.47
    X Position (km) 5776.307 5775.176
    Position Y (km) 1031.638 1030.68
    Position Z (km) 3509.868 3509.104
    Velocity X (km/s) -3.707 1.831
    Velocity Y (km/s) 4.758 5.748
    Velocity Z (km/s) 4.687 -4.687

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4121 STARLINK-34699
    Semimajor Axis (a) 6842.336 km 6840.799 km
    Eccentricity (e) 0.000106 0.000114
    Inclination (i) 53.1635° 53.1577°
    RAAN 356.9149° 232.7244°
    Perigee Argument 75.0405° 109.5978°
    Mean Anomaly (M) 285.0715° 250.5147°
    Apogee 464.928 km 463.444 km
    Perigee 463.470 km 461.880 km
    Orbit Epoch 2026-09-04T22:02:45+0000 2026-09-04T09:07:39+0000

    STARLINK-4121 & STARLINK-34699 Collision Probability (Pc) Trend

    STARLINK-4121 & STARLINK-34699 Collision Probability (Pc) TrendNot Available

    STARLINK-4121 & STARLINK-34699 Miss Distance (Miss Distance) Trend

    STARLINK-4121 & STARLINK-34699 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4121Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34699Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4121Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34699Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4121

    No nearby objects data