Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.40446E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T16:19:19+0800
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    1 Object 1

    AOE ID 53390
    NORAD ID 53390
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58999
    NORAD ID 58999
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4517 STARLINK-31440
    Time of Closest Approach 2026-10-29T12:25:16+0000
    Collision Probability (Pc) 9.40446E-7
    Conjunction Distance (km) 2.837 km
    Relative Speed (km/s) 7.013 km/s
    Conjunction Risk Parameters R (Radial): 2.666 | I (In-track): 0.861 | C (Cross-track): 0.445
    Collision Risk Index (CRI) 0.34
    X Position (km) 4478.225 4479.729
    Position Y (km) 1145.122 1146.507
    Position Z (km) -5046.425 -5048.391
    Velocity X (km/s) -4.182 0.825
    Velocity Y (km/s) 5.921 7.201
    Velocity Z (km/s) -2.37 2.369

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4517 STARLINK-31440
    Semimajor Axis (a) 6837.868 km 6840.859 km
    Eccentricity (e) 0.000153 0.000092
    Inclination (i) 53.1593° 53.1588°
    RAAN 143.8835° 73.5017°
    Perigee Argument 97.7629° 82.2131°
    Mean Anomaly (M) 262.3549° 277.8976°
    Apogee 460.780 km 463.350 km
    Perigee 458.682 km 462.094 km
    Orbit Epoch 2026-10-28T13:28:41+0000 2026-10-28T14:49:39+0000

    STARLINK-4517 & STARLINK-31440 Collision Probability (Pc) Trend

    STARLINK-4517 & STARLINK-31440 Collision Probability (Pc) TrendNot Available

    STARLINK-4517 & STARLINK-31440 Miss Distance (Miss Distance) Trend

    STARLINK-4517 & STARLINK-31440 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4517Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31440Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4517Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31440Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4517

    No nearby objects data