Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.113309E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T16:53:50+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 59096
    NORAD ID 59096
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter OBJECT AV STARLINK-31291
    Time of Closest Approach 2026-09-05T10:26:07+0000
    Collision Probability (Pc) 1.113309E-6
    Conjunction Distance (km) 2.839 km
    Relative Speed (km/s) 9.483 km/s
    Conjunction Risk Parameters R (Radial): -0.468 | I (In-track): -2.192 | C (Cross-track): -1.74
    Collision Risk Index (CRI) 0.36
    X Position (km) 4138.65 4140.953
    Position Y (km) -3518.331 -3518.503
    Position Z (km) -4194.396 -4192.746
    Velocity X (km/s) 2.684 5.915
    Velocity Y (km/s) -3.929 4.212
    Velocity Z (km/s) 5.943 2.309

    Orbital Parameters 国际轨道数据源

    Parameter OBJECT AV STARLINK-31291
    Semimajor Axis (a) 6849.639 km 6861.184 km
    Eccentricity (e) 0.001083 0.000133
    Inclination (i) 97.4988° 43.0031°
    RAAN 312.4792° 25.0710°
    Perigee Argument 168.3160° 275.3637°
    Mean Anomaly (M) 191.8335° 84.7063°
    Apogee 478.919 km 483.961 km
    Perigee 464.085 km 482.133 km
    Orbit Epoch 2026-09-04T03:14:19+0000 2026-09-03T17:54:43+0000

    OBJECT AV & STARLINK-31291 Collision Probability (Pc) Trend

    OBJECT AV & STARLINK-31291 Collision Probability (Pc) TrendNot Available

    OBJECT AV & STARLINK-31291 Miss Distance (Miss Distance) Trend

    OBJECT AV & STARLINK-31291 Miss Distance (Miss Distance) TrendNot Available

    OBJECT AVMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31291Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OBJECT AVCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31291Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OBJECT AV

    No nearby objects data