Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    4.920593E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T09:12:20+0800
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    1 Object 1

    AOE ID 59666
    NORAD ID 59666
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 66598
    NORAD ID 66598
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31902 STARLINK-35981
    Time of Closest Approach 2026-09-13T03:49:55+0000
    Collision Probability (Pc) 4.920593E-5
    Conjunction Distance (km) 0.506 km
    Relative Speed (km/s) 1.247 km/s
    Conjunction Risk Parameters R (Radial): -0.5 | I (In-track): -0.067 | C (Cross-track): 0.006
    Collision Risk Index (CRI) 0.69
    X Position (km) 4740.983 4740.614
    Position Y (km) -1704.378 -1704.317
    Position Z (km) -4661.324 -4660.985
    Velocity X (km/s) 2.968 2.172
    Velocity Y (km/s) 7.001 7.288
    Velocity Z (km/s) 0.459 -0.456

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31902 STARLINK-35981
    Semimajor Axis (a) 6861.209 km 6861.075 km
    Eccentricity (e) 0.000138 0.000176
    Inclination (i) 43.0041° 43.0016°
    RAAN 72.4649° 85.8628°
    Perigee Argument 274.5731° 265.8712°
    Mean Anomaly (M) 85.4963° 94.1938°
    Apogee 484.019 km 484.145 km
    Perigee 482.125 km 481.731 km
    Orbit Epoch 2026-09-11T12:58:14+0000 2026-09-11T14:35:08+0000

    STARLINK-31902 & STARLINK-35981 Collision Probability (Pc) Trend

    STARLINK-31902 & STARLINK-35981 Collision Probability (Pc) TrendNot Available

    STARLINK-31902 & STARLINK-35981 Miss Distance (Miss Distance) Trend

    STARLINK-31902 & STARLINK-35981 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31902Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35981Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31902Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35981Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31902

    No nearby objects data