Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.273076E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T09:20:15+0800
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    1 Object 1

    AOE ID 53846
    NORAD ID 53846
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58784
    NORAD ID 58784
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4746 STARLINK-31039
    Time of Closest Approach 2026-10-21T18:16:02+0000
    Collision Probability (Pc) 8.273076E-7
    Conjunction Distance (km) 2.712 km
    Relative Speed (km/s) 4.983 km/s
    Conjunction Risk Parameters R (Radial): 2.708 | I (In-track): -0.142 | C (Cross-track): 0.056
    Collision Risk Index (CRI) 0.33
    X Position (km) 1307.799 1308.172
    Position Y (km) -4141.543 -4143.232
    Position Z (km) -5288.741 -5290.829
    Velocity X (km/s) 7.452 6.292
    Velocity Y (km/s) 0.334 4.005
    Velocity Z (km/s) 1.582 -1.581

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4746 STARLINK-31039
    Semimajor Axis (a) 6837.871 km 6840.868 km
    Eccentricity (e) 0.000130 0.000104
    Inclination (i) 53.1619° 53.1600°
    RAAN 5.2568° 52.7876°
    Perigee Argument 91.8767° 98.4393°
    Mean Anomaly (M) 268.2385° 261.6727°
    Apogee 460.625 km 463.440 km
    Perigee 458.843 km 462.022 km
    Orbit Epoch 2026-10-19T05:39:58+0000 2026-10-19T08:53:01+0000

    STARLINK-4746 & STARLINK-31039 Collision Probability (Pc) Trend

    STARLINK-4746 & STARLINK-31039 Collision Probability (Pc) TrendNot Available

    STARLINK-4746 & STARLINK-31039 Miss Distance (Miss Distance) Trend

    STARLINK-4746 & STARLINK-31039 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4746Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31039Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4746Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31039Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4746

    No nearby objects data