Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.1192E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T09:14:07+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 51863
    NORAD ID 51863
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 59431
    NORAD ID 59431
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3555 STARLINK-31613
    Time of Closest Approach 2026-09-13T10:22:17+0000
    Collision Probability (Pc) 1.1192E-6
    Conjunction Distance (km) 2.897 km
    Relative Speed (km/s) 10.017 km/s
    Conjunction Risk Parameters R (Radial): -2.751 | I (In-track): -0.676 | C (Cross-track): -0.6
    Collision Risk Index (CRI) 0.36
    X Position (km) 142.976 143.938
    Position Y (km) -5423.865 -5426.019
    Position Z (km) 4152.656 4154.336
    Velocity X (km/s) 5.687 5.847
    Velocity Y (km/s) 3.201 -2.896
    Velocity Z (km/s) 3.973 -3.972

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3555 STARLINK-31613
    Semimajor Axis (a) 6837.867 km 6840.879 km
    Eccentricity (e) 0.000127 0.000150
    Inclination (i) 53.1569° 53.1584°
    RAAN 244.1532° 136.0903°
    Perigee Argument 99.7280° 81.2788°
    Mean Anomaly (M) 260.3867° 278.8384°
    Apogee 460.600 km 463.767 km
    Perigee 458.860 km 461.717 km
    Orbit Epoch 2026-09-11T19:06:06+0000 2026-09-11T09:20:40+0000

    STARLINK-3555 & STARLINK-31613 Collision Probability (Pc) Trend

    STARLINK-3555 & STARLINK-31613 Collision Probability (Pc) TrendNot Available

    STARLINK-3555 & STARLINK-31613 Miss Distance (Miss Distance) Trend

    STARLINK-3555 & STARLINK-31613 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3555Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31613Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3555Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31613Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3555

    No nearby objects data