Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    7.563268E-4
    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 2026-10-22T20:02:28+0000
    Collision Probability (Pc) 7.563268E-4
    Conjunction Distance (km) 0.12 km
    Relative Speed (km/s) 2.354 km/s
    Conjunction Risk Parameters R (Radial): -0.105 | I (In-track): -0.054 | C (Cross-track): 0.007
    Collision Risk Index (CRI) 0.93
    X Position (km) -3770.605 -3770.525
    Position Y (km) 1728.951 1728.975
    Position Z (km) 5429.46 5429.375
    Velocity X (km/s) -2.294 -3.995
    Velocity Y (km/s) -7.252 -6.472
    Velocity Z (km/s) 0.714 -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