Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    8.440305E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T06:46:16+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 59321
    NORAD ID 59321
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ICESAT-2 STARLINK-31578
    Time of Closest Approach 2026-09-17T22:40:51+0000
    Collision Probability (Pc) 8.440305E-6
    Conjunction Distance (km) 1.369 km
    Relative Speed (km/s) 13.251 km/s
    Conjunction Risk Parameters R (Radial): 1.351 | I (In-track): 0.115 | C (Cross-track): -0.194
    Collision Risk Index (CRI) 0.54
    X Position (km) 4000.309 4001.183
    Position Y (km) -4044.806 -4045.421
    Position Z (km) 3825.305 3826.159
    Velocity X (km/s) -3.227 6.196
    Velocity Y (km/s) 2.806 3.295
    Velocity Z (km/s) 6.316 -2.987

    Orbital Parameters 国际轨道数据源

    Parameter ICESAT-2 STARLINK-31578
    Semimajor Axis (a) 6859.111 km 6861.229 km
    Eccentricity (e) 0.000574 0.000142
    Inclination (i) 92.0023° 43.0014°
    RAAN 315.3943° 196.5143°
    Perigee Argument 107.8248° 265.8095°
    Mean Anomaly (M) 252.3628° 94.2594°
    Apogee 484.908 km 484.067 km
    Perigee 477.040 km 482.117 km
    Orbit Epoch 2026-09-15T13:57:35+0000 2026-09-15T04:13:36+0000

    ICESAT-2 & STARLINK-31578 Collision Probability (Pc) Trend

    ICESAT-2 & STARLINK-31578 Collision Probability (Pc) TrendNot Available

    ICESAT-2 & STARLINK-31578 Miss Distance (Miss Distance) Trend

    ICESAT-2 & STARLINK-31578 Miss Distance (Miss Distance) TrendNot Available

    ICESAT-2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31578Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ICESAT-2Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31578Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ICESAT-2

    No nearby objects data