Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.288724E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T05:34:15+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 69512
    NORAD ID 69512
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4644 STARLINK-37511
    Time of Closest Approach 2026-09-03T09:16:06+0000
    Collision Probability (Pc) 1.288724E-6
    Conjunction Distance (km) 2.83 km
    Relative Speed (km/s) 12.161 km/s
    Conjunction Risk Parameters R (Radial): -2.533 | I (In-track): 0.768 | C (Cross-track): 1
    Collision Risk Index (CRI) 0.37
    X Position (km) 4863.072 4862.15
    Position Y (km) -4722.538 -4719.887
    Position Z (km) 935.492 935.14
    Velocity X (km/s) 3.821 2.616
    Velocity Y (km/s) 2.729 3.9
    Velocity Z (km/s) -6.021 6.022

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4644 STARLINK-37511
    Semimajor Axis (a) 6843.361 km 6840.852 km
    Eccentricity (e) 0.000129 0.000116
    Inclination (i) 53.1600° 53.1570°
    RAAN 146.1832° 318.1440°
    Perigee Argument 86.3696° 88.3057°
    Mean Anomaly (M) 273.7454° 271.8079°
    Apogee 466.105 km 463.510 km
    Perigee 464.343 km 461.920 km
    Orbit Epoch 2026-09-02T10:37:58+0000 2026-09-01T15:01:06+0000

    STARLINK-4644 & STARLINK-37511 Collision Probability (Pc) Trend

    STARLINK-4644 & STARLINK-37511 Collision Probability (Pc) TrendNot Available

    STARLINK-4644 & STARLINK-37511 Miss Distance (Miss Distance) Trend

    STARLINK-4644 & STARLINK-37511 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4644Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37511Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4644Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37511Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4644

    No nearby objects data