Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.889542E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T09:48:30+0800
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    1 Object 1

    AOE ID 53017
    NORAD ID 53017
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 57648
    NORAD ID 57648
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4281 STARLINK-30243
    Time of Closest Approach 2026-09-05T14:01:21+0000
    Collision Probability (Pc) 1.889542E-6
    Conjunction Distance (km) 2.215 km
    Relative Speed (km/s) 11.202 km/s
    Conjunction Risk Parameters R (Radial): -0.516 | I (In-track): 1.459 | C (Cross-track): -1.583
    Collision Risk Index (CRI) 0.41
    X Position (km) 5552.223 5552.996
    Position Y (km) -3837.361 -3835.288
    Position Z (km) 1229.841 1229.94
    Velocity X (km/s) 1.739 3.978
    Velocity Y (km/s) 4.438 4.141
    Velocity Z (km/s) 5.953 -5.019

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4281 STARLINK-30243
    Semimajor Axis (a) 6862.072 km 6861.197 km
    Eccentricity (e) 0.000082 0.000167
    Inclination (i) 53.2146° 42.9986°
    RAAN 330.9952° 176.3964°
    Perigee Argument 57.5497° 249.1717°
    Mean Anomaly (M) 103.6462° 110.8956°
    Apogee 484.502 km 484.206 km
    Perigee 483.368 km 481.914 km
    Orbit Epoch 2026-09-02T16:00:02+0000 2026-09-02T02:08:00+0000

    STARLINK-4281 & STARLINK-30243 Collision Probability (Pc) Trend

    STARLINK-4281 & STARLINK-30243 Collision Probability (Pc) TrendNot Available

    STARLINK-4281 & STARLINK-30243 Miss Distance (Miss Distance) Trend

    STARLINK-4281 & STARLINK-30243 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4281Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30243Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4281Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30243Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4281

    No nearby objects data