Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    3.473165E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T13:48:12+0800
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    1 Object 1

    AOE ID 53719
    NORAD ID 53719
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69152
    NORAD ID 69152
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4644 STARLINK-37317
    Time of Closest Approach 2026-10-21T23:11:42+0000
    Collision Probability (Pc) 3.473165E-7
    Conjunction Distance (km) 2.511 km
    Relative Speed (km/s) 0.445 km/s
    Conjunction Risk Parameters R (Radial): -0.62 | I (In-track): 2.433 | C (Cross-track): 0.064
    Collision Risk Index (CRI) 0.26
    X Position (km) 4071.885 4071.234
    Position Y (km) 484.678 487.051
    Position Z (km) 5465.668 5465.168
    Velocity X (km/s) -0.726 -1.081
    Velocity Y (km/s) 7.603 7.561
    Velocity Z (km/s) -0.133 0.131

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4644 STARLINK-37317
    Semimajor Axis (a) 6840.883 km 6840.812 km
    Eccentricity (e) 0.000117 0.000143
    Inclination (i) 53.1584° 53.1578°
    RAAN 287.2725° 288.0851°
    Perigee Argument 89.7686° 82.1181°
    Mean Anomaly (M) 270.3450° 277.9984°
    Apogee 463.546 km 463.652 km
    Perigee 461.946 km 461.698 km
    Orbit Epoch 2026-10-19T06:42:21+0000 2026-10-19T23:54:54+0000

    STARLINK-4644 & STARLINK-37317 Collision Probability (Pc) Trend

    STARLINK-4644 & STARLINK-37317 Collision Probability (Pc) TrendNot Available

    STARLINK-4644 & STARLINK-37317 Miss Distance (Miss Distance) Trend

    STARLINK-4644 & STARLINK-37317 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4644Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37317Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4644Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37317Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4644

    No nearby objects data