Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.776002E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-06T16:45:57+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 68229
    NORAD ID 68229
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4644 STARLINK-37081
    Time of Closest Approach 2026-09-06T11:36:12+0000
    Collision Probability (Pc) 9.776002E-7
    Conjunction Distance (km) 2.552 km
    Relative Speed (km/s) 5.733 km/s
    Conjunction Risk Parameters R (Radial): -2.452 | I (In-track): 0.653 | C (Cross-track): -0.267
    Collision Risk Index (CRI) 0.35
    X Position (km) -4080.667 -4081.976
    Position Y (km) 5493.757 5495.825
    Position Z (km) -113.669 -114.391
    Velocity X (km/s) -3.73 0.707
    Velocity Y (km/s) -2.653 0.671
    Velocity Z (km/s) 6.11 7.569

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4644 STARLINK-37081
    Semimajor Axis (a) 6843.386 km 6843.705 km
    Eccentricity (e) 0.000107 0.000177
    Inclination (i) 53.1595° 97.2851°
    RAAN 132.4909° 125.9016°
    Perigee Argument 87.7631° 89.4195°
    Mean Anomaly (M) 272.3494° 270.7251°
    Apogee 465.985 km 466.783 km
    Perigee 464.513 km 464.353 km
    Orbit Epoch 2026-09-05T09:01:06+0000 2026-09-05T21:30:45+0000

    STARLINK-4644 & STARLINK-37081 Collision Probability (Pc) Trend

    STARLINK-4644 & STARLINK-37081 Collision Probability (Pc) TrendNot Available

    STARLINK-4644 & STARLINK-37081 Miss Distance (Miss Distance) Trend

    STARLINK-4644 & STARLINK-37081 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4644Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37081Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4644Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37081Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4644

    No nearby objects data