Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    6.296789E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T07:17:18+0800
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    1 Object 1

    AOE ID 53720
    NORAD ID 53720
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 65016
    NORAD ID 65016
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4642 STARLINK-34627
    Time of Closest Approach 2026-09-04T19:58:37+0000
    Collision Probability (Pc) 6.296789E-7
    Conjunction Distance (km) 2.57 km
    Relative Speed (km/s) 2.538 km/s
    Conjunction Risk Parameters R (Radial): 0.463 | I (In-track): 2.493 | C (Cross-track): -0.42
    Collision Risk Index (CRI) 0.31
    X Position (km) -804.975 -807.4
    Position Y (km) -4078.21 -4077.442
    Position Z (km) 5423.238 5422.871
    Velocity X (km/s) 7.194 7.585
    Velocity Y (km/s) -2.449 -0.473
    Velocity Z (km/s) -0.772 0.771

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4642 STARLINK-34627
    Semimajor Axis (a) 6840.933 km 6840.802 km
    Eccentricity (e) 0.000120 0.000136
    Inclination (i) 53.1587° 53.1575°
    RAAN 167.2729° 193.6503°
    Perigee Argument 74.8226° 93.7574°
    Mean Anomaly (M) 285.2909° 266.3584°
    Apogee 463.617 km 463.598 km
    Perigee 461.975 km 461.732 km
    Orbit Epoch 2026-09-02T14:24:13+0000 2026-09-02T01:57:50+0000

    STARLINK-4642 & STARLINK-34627 Collision Probability (Pc) Trend

    STARLINK-4642 & STARLINK-34627 Collision Probability (Pc) TrendNot Available

    STARLINK-4642 & STARLINK-34627 Miss Distance (Miss Distance) Trend

    STARLINK-4642 & STARLINK-34627 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4642Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34627Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4642Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34627Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4642

    No nearby objects data