Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.767262E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T03:25:33+0800
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    1 Object 1

    AOE ID 58640
    NORAD ID 58640
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63888
    NORAD ID 63888
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31090 STARLINK-33981
    Time of Closest Approach 2026-09-04T22:34:29+0000
    Collision Probability (Pc) 9.767262E-7
    Conjunction Distance (km) 2.261 km
    Relative Speed (km/s) 3.9 km/s
    Conjunction Risk Parameters R (Radial): -1.716 | I (In-track): -1.422 | C (Cross-track): 0.374
    Collision Risk Index (CRI) 0.35
    X Position (km) -5568.414 -5569.903
    Position Y (km) 3280.181 3280.056
    Position Z (km) 2296.821 2298.517
    Velocity X (km/s) -1.611 0.653
    Velocity Y (km/s) -5.92 -3.595
    Velocity Z (km/s) 4.531 6.692

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31090 STARLINK-33981
    Semimajor Axis (a) 6861.190 km 6867.617 km
    Eccentricity (e) 0.000114 0.000341
    Inclination (i) 43.0013° 70.0000°
    RAAN 134.1300° 143.8831°
    Perigee Argument 236.9290° 275.7857°
    Mean Anomaly (M) 123.1452° 270.7761°
    Apogee 483.836 km 491.820 km
    Perigee 482.270 km 487.140 km
    Orbit Epoch 2026-09-03T16:37:50+0000 2026-09-04T06:00:02+0000

    STARLINK-31090 & STARLINK-33981 Collision Probability (Pc) Trend

    STARLINK-31090 & STARLINK-33981 Collision Probability (Pc) TrendNot Available

    STARLINK-31090 & STARLINK-33981 Miss Distance (Miss Distance) Trend

    STARLINK-31090 & STARLINK-33981 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31090Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33981Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31090Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33981Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31090

    No nearby objects data