Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.2473E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T23:55:22+0800
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    1 Object 1

    AOE ID 53715
    NORAD ID 53715
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 66220
    NORAD ID 66220
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4686 STARLINK-35677
    Time of Closest Approach 2026-09-07T05:04:25+0000
    Collision Probability (Pc) 8.2473E-7
    Conjunction Distance (km) 2.602 km
    Relative Speed (km/s) 4.441 km/s
    Conjunction Risk Parameters R (Radial): 1.328 | I (In-track): 2.14 | C (Cross-track): 0.654
    Collision Risk Index (CRI) 0.33
    X Position (km) -3515.789 -3516.385
    Position Y (km) -2446.855 -2444.545
    Position Z (km) 5324.065 5323.028
    Velocity X (km/s) 5.596 2.753
    Velocity Y (km/s) -5.01 -6.99
    Velocity Z (km/s) 1.389 -1.388

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4686 STARLINK-35677
    Semimajor Axis (a) 6840.880 km 6840.785 km
    Eccentricity (e) 0.000114 0.000261
    Inclination (i) 53.1624° 53.1566°
    RAAN 160.5034° 117.6492°
    Perigee Argument 88.5746° 83.2146°
    Mean Anomaly (M) 271.5387° 276.9154°
    Apogee 463.521 km 464.435 km
    Perigee 461.965 km 460.861 km
    Orbit Epoch 2026-09-04T03:16:01+0000 2026-09-04T04:43:11+0000

    STARLINK-4686 & STARLINK-35677 Collision Probability (Pc) Trend

    STARLINK-4686 & STARLINK-35677 Collision Probability (Pc) TrendNot Available

    STARLINK-4686 & STARLINK-35677 Miss Distance (Miss Distance) Trend

    STARLINK-4686 & STARLINK-35677 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4686Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35677Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4686Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35677Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4686

    No nearby objects data