Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.290127E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T21:14:42+0800
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    1 Object 1

    AOE ID 52644
    NORAD ID 52644
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 60020
    NORAD ID 60020
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3985 STARLINK-31883
    Time of Closest Approach 2026-10-29T15:57:21+0000
    Collision Probability (Pc) 1.290127E-6
    Conjunction Distance (km) 2.812 km
    Relative Speed (km/s) 12.001 km/s
    Conjunction Risk Parameters R (Radial): 2.651 | I (In-track): -0.575 | C (Cross-track): -0.739
    Collision Risk Index (CRI) 0.37
    X Position (km) 1385.741 1387.195
    Position Y (km) 6477.101 6479.417
    Position Z (km) 1696.43 1697.082
    Velocity X (km/s) -4.308 -4.934
    Velocity Y (km/s) 2.451 -0.475
    Velocity Z (km/s) -5.812 5.81

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3985 STARLINK-31883
    Semimajor Axis (a) 6837.574 km 6840.874 km
    Eccentricity (e) 0.000195 0.000151
    Inclination (i) 53.1606° 53.1603°
    RAAN 279.8009° 76.3028°
    Perigee Argument 280.1938° 127.3680°
    Mean Anomaly (M) 79.8845° 232.7460°
    Apogee 460.772 km 463.769 km
    Perigee 458.102 km 461.705 km
    Orbit Epoch 2026-10-27T08:34:40+0000 2026-10-27T15:25:00+0000

    STARLINK-3985 & STARLINK-31883 Collision Probability (Pc) Trend

    STARLINK-3985 & STARLINK-31883 Collision Probability (Pc) TrendNot Available

    STARLINK-3985 & STARLINK-31883 Miss Distance (Miss Distance) Trend

    STARLINK-3985 & STARLINK-31883 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3985Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31883Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3985Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31883Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3985

    No nearby objects data