Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.44673E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-12T22:44:14+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 68248
    NORAD ID 68248
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4644 STARLINK-36997
    Time of Closest Approach 2026-10-13T10:27:59+0000
    Collision Probability (Pc) 7.44673E-7
    Conjunction Distance (km) 2.94 km
    Relative Speed (km/s) 4.942 km/s
    Conjunction Risk Parameters R (Radial): 1.531 | I (In-track): -2.373 | C (Cross-track): 0.815
    Collision Risk Index (CRI) 0.32
    X Position (km) 1594.628 1591.938
    Position Y (km) 4026.887 4026.911
    Position Z (km) 5285.347 5284.161
    Velocity X (km/s) -6.018 -7.427
    Velocity Y (km/s) 4.438 0.88
    Velocity Z (km/s) -1.563 1.562

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4644 STARLINK-36997
    Semimajor Axis (a) 6840.867 km 6840.671 km
    Eccentricity (e) 0.000118 0.000257
    Inclination (i) 53.1597° 53.1602°
    RAAN 319.8544° 11.1384°
    Perigee Argument 112.4013° 90.7065°
    Mean Anomaly (M) 247.7114° 269.4233°
    Apogee 463.535 km 464.293 km
    Perigee 461.925 km 460.775 km
    Orbit Epoch 2026-10-12T07:26:11+0000 2026-10-11T12:48:37+0000

    STARLINK-4644 & STARLINK-36997 Collision Probability (Pc) Trend

    STARLINK-4644 & STARLINK-36997 Collision Probability (Pc) TrendNot Available

    STARLINK-4644 & STARLINK-36997 Miss Distance (Miss Distance) Trend

    STARLINK-4644 & STARLINK-36997 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4644Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36997Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4644Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36997Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4644

    No nearby objects data