Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.140285E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T15:54:49+0800
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    1 Object 1

    AOE ID 52704
    NORAD ID 52704
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59433
    NORAD ID 59433
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3999 STARLINK-31740
    Time of Closest Approach 2026-10-30T20:12:31+0000
    Collision Probability (Pc) 2.140285E-6
    Conjunction Distance (km) 2.092 km
    Relative Speed (km/s) 11.112 km/s
    Conjunction Risk Parameters R (Radial): 2.033 | I (In-track): -0.331 | C (Cross-track): 0.367
    Collision Risk Index (CRI) 0.42
    X Position (km) -2381.855 -2382.111
    Position Y (km) 5490.699 5492.531
    Position Z (km) -3316.52 -3317.496
    Velocity X (km/s) -5.869 -3.728
    Velocity Y (km/s) 0.386 -4.548
    Velocity Z (km/s) 4.862 -4.861

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3999 STARLINK-31740
    Semimajor Axis (a) 6837.824 km 6840.942 km
    Eccentricity (e) 0.000194 0.000143
    Inclination (i) 53.1589° 53.1582°
    RAAN 151.3814° 280.2407°
    Perigee Argument 91.8921° 84.6173°
    Mean Anomaly (M) 268.2304° 47.1171°
    Apogee 461.013 km 463.782 km
    Perigee 458.361 km 461.828 km
    Orbit Epoch 2026-10-27T23:38:00+0000 2026-10-28T10:00:02+0000

    STARLINK-3999 & STARLINK-31740 Collision Probability (Pc) Trend

    STARLINK-3999 & STARLINK-31740 Collision Probability (Pc) TrendNot Available

    STARLINK-3999 & STARLINK-31740 Miss Distance (Miss Distance) Trend

    STARLINK-3999 & STARLINK-31740 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3999Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31740Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3999Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31740Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3999

    No nearby objects data