Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.230811E-6
    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 59905
    NORAD ID 59905
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ICESAT-2 STARLINK-31898
    Time of Closest Approach 2026-09-03T01:58:57+0000
    Collision Probability (Pc) 3.230811E-6
    Conjunction Distance (km) 1.826 km
    Relative Speed (km/s) 12.201 km/s
    Conjunction Risk Parameters R (Radial): -0.698 | I (In-track): -1.019 | C (Cross-track): 1.344
    Collision Risk Index (CRI) 0.45
    X Position (km) 3334.368 3333.5
    Position Y (km) -3936.277 -3937.257
    Position Z (km) 4515.85 4514.577
    Velocity X (km/s) -3.52 6.421
    Velocity Y (km/s) 3.607 3.89
    Velocity Z (km/s) 5.723 -1.345

    Orbital Parameters 国际轨道数据源

    Parameter ICESAT-2 STARLINK-31898
    Semimajor Axis (a) 6859.079 km 6861.212 km
    Eccentricity (e) 0.000454 0.000100
    Inclination (i) 92.0045° 43.0024°
    RAAN 311.8811° 206.5276°
    Perigee Argument 134.9935° 266.8003°
    Mean Anomaly (M) 225.1683° 93.2735°
    Apogee 484.057 km 483.760 km
    Perigee 477.827 km 482.390 km
    Orbit Epoch 2026-09-02T13:13:51+0000 2026-09-01T22:50:51+0000

    ICESAT-2 & STARLINK-31898 Collision Probability (Pc) Trend

    ICESAT-2 & STARLINK-31898 Collision Probability (Pc) TrendNot Available

    ICESAT-2 & STARLINK-31898 Miss Distance (Miss Distance) Trend

    ICESAT-2 & STARLINK-31898 Miss Distance (Miss Distance) TrendNot Available

    ICESAT-2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31898Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ICESAT-2Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31898Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ICESAT-2

    No nearby objects data