Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.854694E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T06:28:09+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53216
    NORAD ID 53216
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 59544
    NORAD ID 59544
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4376 STARLINK-31556
    Time of Closest Approach 2026-09-05T11:49:45+0000
    Collision Probability (Pc) 1.854694E-6
    Conjunction Distance (km) 2.285 km
    Relative Speed (km/s) 12.114 km/s
    Conjunction Risk Parameters R (Radial): -0.308 | I (In-track): -1.379 | C (Cross-track): -1.794
    Collision Risk Index (CRI) 0.4
    X Position (km) 3261.478 3263.528
    Position Y (km) -3845.225 -3845.257
    Position Z (km) -4656.488 -4655.48
    Velocity X (km/s) 2.288 5.468
    Velocity Y (km/s) -4.729 5.278
    Velocity Z (km/s) 5.513 -0.527

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4376 STARLINK-31556
    Semimajor Axis (a) 6856.568 km 6861.202 km
    Eccentricity (e) 0.000238 0.000141
    Inclination (i) 97.2832° 43.0036°
    RAAN 300.7538° 65.1446°
    Perigee Argument 82.2179° 268.9419°
    Mean Anomaly (M) 165.9473° 91.1271°
    Apogee 480.063 km 484.032 km
    Perigee 476.799 km 482.098 km
    Orbit Epoch 2026-09-02T16:00:02+0000 2026-09-02T12:03:39+0000

    STARLINK-4376 & STARLINK-31556 Collision Probability (Pc) Trend

    STARLINK-4376 & STARLINK-31556 Collision Probability (Pc) TrendNot Available

    STARLINK-4376 & STARLINK-31556 Miss Distance (Miss Distance) Trend

    STARLINK-4376 & STARLINK-31556 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4376Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31556Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4376Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31556Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4376

    No nearby objects data