Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.072758E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T11:21:23+0800
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    1 Object 1

    AOE ID 57217
    NORAD ID 57217
    Object Type UNKNOWN
    Country
    TBD TBD
    VS

    2 Object 2

    AOE ID 58239
    NORAD ID 58239
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter OBJECT AV STARLINK-30847
    Time of Closest Approach 2026-09-04T06:14:20+0000
    Collision Probability (Pc) 2.072758E-6
    Conjunction Distance (km) 1.975 km
    Relative Speed (km/s) 8.425 km/s
    Conjunction Risk Parameters R (Radial): 0.801 | I (In-track): 1.51 | C (Cross-track): -0.99
    Collision Risk Index (CRI) 0.41
    X Position (km) 4317.496 4319.127
    Position Y (km) -4009.712 -4010.203
    Position Z (km) -3518.197 -3517.197
    Velocity X (km/s) 2.039 5.915
    Velocity Y (km/s) -3.473 3.365
    Velocity Z (km/s) 6.463 3.43

    Orbital Parameters 国际轨道数据源

    Parameter OBJECT AV STARLINK-30847
    Semimajor Axis (a) 6849.714 km 6861.225 km
    Eccentricity (e) 0.001069 0.000087
    Inclination (i) 97.4987° 43.0004°
    RAAN 310.8934° 10.9333°
    Perigee Argument 173.6709° 264.2553°
    Mean Anomaly (M) 186.4669° 95.8200°
    Apogee 478.903 km 483.682 km
    Perigee 464.251 km 482.494 km
    Orbit Epoch 2026-09-02T13:36:09+0000 2026-09-01T18:49:08+0000

    OBJECT AV & STARLINK-30847 Collision Probability (Pc) Trend

    OBJECT AV & STARLINK-30847 Collision Probability (Pc) TrendNot Available

    OBJECT AV & STARLINK-30847 Miss Distance (Miss Distance) Trend

    OBJECT AV & STARLINK-30847 Miss Distance (Miss Distance) TrendNot Available

    OBJECT AVMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30847Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OBJECT AVCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30847Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OBJECT AV

    No nearby objects data