Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.325392E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T09:17:46+0800
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    1 Object 1

    AOE ID 43613
    NORAD ID 43613
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 59873
    NORAD ID 59873
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ICESAT-2 STARLINK-31940
    Time of Closest Approach 2026-09-04T17:46:37+0000
    Collision Probability (Pc) 9.325392E-7
    Conjunction Distance (km) 2.847 km
    Relative Speed (km/s) 6.962 km/s
    Conjunction Risk Parameters R (Radial): 2.366 | I (In-track): 1.407 | C (Cross-track): 0.728
    Collision Risk Index (CRI) 0.34
    X Position (km) -4353.965 -4356.328
    Position Y (km) 4622.097 4623.623
    Position Z (km) 2586.029 2585.594
    Velocity X (km/s) -1.769 -5.596
    Velocity Y (km/s) 2.298 -2.841
    Velocity Z (km/s) -7.055 -4.334

    Orbital Parameters 国际轨道数据源

    Parameter ICESAT-2 STARLINK-31940
    Semimajor Axis (a) 6859.079 km 6861.209 km
    Eccentricity (e) 0.000454 0.000158
    Inclination (i) 92.0045° 43.0055°
    RAAN 311.8811° 356.6998°
    Perigee Argument 134.9935° 273.8557°
    Mean Anomaly (M) 225.1683° 86.2114°
    Apogee 484.057 km 484.154 km
    Perigee 477.827 km 481.990 km
    Orbit Epoch 2026-09-02T13:13:51+0000 2026-09-01T15:23:00+0000

    ICESAT-2 & STARLINK-31940 Collision Probability (Pc) Trend

    ICESAT-2 & STARLINK-31940 Collision Probability (Pc) TrendNot Available

    ICESAT-2 & STARLINK-31940 Miss Distance (Miss Distance) Trend

    ICESAT-2 & STARLINK-31940 Miss Distance (Miss Distance) TrendNot Available

    ICESAT-2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31940Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ICESAT-2Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31940Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ICESAT-2

    No nearby objects data