Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    4.166005E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T16:24:32+0800
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    1 Object 1

    AOE ID 58948
    NORAD ID 58948
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 65221
    NORAD ID 65221
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31311 STARLINK-34974
    Time of Closest Approach 2026-09-13T08:17:59+0000
    Collision Probability (Pc) 4.166005E-5
    Conjunction Distance (km) 0.843 km
    Relative Speed (km/s) 11.999 km/s
    Conjunction Risk Parameters R (Radial): 0.307 | I (In-track): 0.478 | C (Cross-track): 0.623
    Collision Risk Index (CRI) 0.67
    X Position (km) -6424.836 -6424.36
    Position Y (km) 1609.94 1610.63
    Position Z (km) 1705.917 1705.831
    Velocity X (km/s) 0.311 -2.609
    Velocity Y (km/s) -4.951 -4.219
    Velocity Z (km/s) 5.807 -5.807

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31311 STARLINK-34974
    Semimajor Axis (a) 6840.847 km 6840.797 km
    Eccentricity (e) 0.000184 0.000150
    Inclination (i) 53.1606° 53.1609°
    RAAN 170.6524° 9.6837°
    Perigee Argument 92.6107° 58.5527°
    Mean Anomaly (M) 267.5106° 301.5622°
    Apogee 463.971 km 463.687 km
    Perigee 461.449 km 461.633 km
    Orbit Epoch 2026-09-09T22:55:53+0000 2026-09-10T15:30:30+0000

    STARLINK-31311 & STARLINK-34974 Collision Probability (Pc) Trend

    STARLINK-31311 & STARLINK-34974 Collision Probability (Pc) TrendNot Available

    STARLINK-31311 & STARLINK-34974 Miss Distance (Miss Distance) Trend

    STARLINK-31311 & STARLINK-34974 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31311Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34974Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31311Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34974Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31311

    No nearby objects data