Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.297804E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-13T08:34:01+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 58981
    NORAD ID 58981
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4644 STARLINK-31339
    Time of Closest Approach 2026-10-14T00:32:00+0000
    Collision Probability (Pc) 1.297804E-6
    Conjunction Distance (km) 2.085 km
    Relative Speed (km/s) 4.79 km/s
    Conjunction Risk Parameters R (Radial): 0.459 | I (In-track): 1.932 | C (Cross-track): 0.636
    Collision Risk Index (CRI) 0.37
    X Position (km) 1832.429 1830.711
    Position Y (km) 3907.498 3908.625
    Position Z (km) 5297.828 5298.183
    Velocity X (km/s) -5.78 -7.357
    Velocity Y (km/s) 4.761 1.393
    Velocity Z (km/s) -1.509 1.511

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4644 STARLINK-31339
    Semimajor Axis (a) 6840.867 km 6840.996 km
    Eccentricity (e) 0.000118 0.000081
    Inclination (i) 53.1597° 53.1658°
    RAAN 319.8544° 6.2471°
    Perigee Argument 112.4013° 84.1739°
    Mean Anomaly (M) 247.7114° 275.9356°
    Apogee 463.535 km 463.414 km
    Perigee 461.925 km 462.304 km
    Orbit Epoch 2026-10-12T07:26:11+0000 2026-10-12T05:59:44+0000

    STARLINK-4644 & STARLINK-31339 Collision Probability (Pc) Trend

    STARLINK-4644 & STARLINK-31339 Collision Probability (Pc) TrendNot Available

    STARLINK-4644 & STARLINK-31339 Miss Distance (Miss Distance) Trend

    STARLINK-4644 & STARLINK-31339 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4644Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31339Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4644Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31339Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4644

    No nearby objects data