Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.572311E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T05:45:39+0800
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    1 Object 1

    AOE ID 51987
    NORAD ID 51987
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 68726
    NORAD ID 68726
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3644 STARLINK-37272
    Time of Closest Approach 2026-10-22T22:23:09+0000
    Collision Probability (Pc) 5.572311E-6
    Conjunction Distance (km) 1.101 km
    Relative Speed (km/s) 2.349 km/s
    Conjunction Risk Parameters R (Radial): -0.877 | I (In-track): 0.656 | C (Cross-track): 0.104
    Collision Risk Index (CRI) 0.5
    X Position (km) 3764.328 3764.128
    Position Y (km) -1762.938 -1762.111
    Position Z (km) -5440.617 -5439.919
    Velocity X (km/s) 2.348 4.038
    Velocity Y (km/s) 7.218 6.428
    Velocity Z (km/s) -0.715 0.712

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3644 STARLINK-37272
    Semimajor Axis (a) 6840.880 km 6840.840 km
    Eccentricity (e) 0.000164 0.000107
    Inclination (i) 53.1612° 53.1580°
    RAAN 89.0343° 65.6427°
    Perigee Argument 87.0297° 95.3553°
    Mean Anomaly (M) 273.0894° 264.7572°
    Apogee 463.867 km 463.435 km
    Perigee 461.619 km 461.971 km
    Orbit Epoch 2026-10-20T03:35:11+0000 2026-10-20T09:47:04+0000

    STARLINK-3644 & STARLINK-37272 Collision Probability (Pc) Trend

    STARLINK-3644 & STARLINK-37272 Collision Probability (Pc) TrendNot Available

    STARLINK-3644 & STARLINK-37272 Miss Distance (Miss Distance) Trend

    STARLINK-3644 & STARLINK-37272 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3644Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37272Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3644Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37272Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3644

    No nearby objects data