Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.223823E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T10:15:24+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 56321
    NORAD ID 56321
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 57263
    NORAD ID 57263
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5876 STARLINK-5509
    Time of Closest Approach 2026-09-05T12:54:25+0000
    Collision Probability (Pc) 5.223823E-6
    Conjunction Distance (km) 1.602 km
    Relative Speed (km/s) 13.978 km/s
    Conjunction Risk Parameters R (Radial): 0.812 | I (In-track): 0.56 | C (Cross-track): 1.262
    Collision Risk Index (CRI) 0.49
    X Position (km) 2895.91 2895.065
    Position Y (km) 5384.874 5385.772
    Position Z (km) -3115.468 -3116.489
    Velocity X (km/s) -0.665 -4.575
    Velocity Y (km/s) -3.526 4.701
    Velocity Z (km/s) -6.722 3.88

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5876 STARLINK-5509
    Semimajor Axis (a) 6841.545 km 6861.203 km
    Eccentricity (e) 0.000124 0.000117
    Inclination (i) 97.2858° 43.0032°
    RAAN 242.5634° 112.9525°
    Perigee Argument 85.5070° 272.3107°
    Mean Anomaly (M) 41.8709° 87.7611°
    Apogee 464.256 km 483.869 km
    Perigee 462.560 km 482.263 km
    Orbit Epoch 2026-09-02T14:00:02+0000 2026-09-02T08:11:41+0000

    STARLINK-5876 & STARLINK-5509 Collision Probability (Pc) Trend

    STARLINK-5876 & STARLINK-5509 Collision Probability (Pc) TrendNot Available

    STARLINK-5876 & STARLINK-5509 Miss Distance (Miss Distance) Trend

    STARLINK-5876 & STARLINK-5509 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5876Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5509Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5876Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5509Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5876

    No nearby objects data