Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.092311E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T06:26:23+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 59487
    NORAD ID 59487
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63851
    NORAD ID 63851
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31657 STARLINK-33776
    Time of Closest Approach 2026-09-03T12:17:02+0000
    Collision Probability (Pc) 3.092311E-6
    Conjunction Distance (km) 1.679 km
    Relative Speed (km/s) 7.851 km/s
    Conjunction Risk Parameters R (Radial): -0.581 | I (In-track): -1.351 | C (Cross-track): 0.809
    Collision Risk Index (CRI) 0.45
    X Position (km) 5671.587 5671.498
    Position Y (km) 1460.681 1459.032
    Position Z (km) -3578.409 -3578.108
    Velocity X (km/s) 0.352 -3.607
    Velocity Y (km/s) 6.835 5.817
    Velocity Z (km/s) 3.351 -3.351

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31657 STARLINK-33776
    Semimajor Axis (a) 6861.193 km 6861.091 km
    Eccentricity (e) 0.000119 0.000198
    Inclination (i) 43.0040° 42.9957°
    RAAN 60.8961° 162.9212°
    Perigee Argument 266.0896° 177.4779°
    Mean Anomaly (M) 93.9819° 182.6083°
    Apogee 483.874 km 484.312 km
    Perigee 482.238 km 481.596 km
    Orbit Epoch 2026-09-02T12:57:45+0000 2026-09-01T20:03:08+0000

    STARLINK-31657 & STARLINK-33776 Collision Probability (Pc) Trend

    STARLINK-31657 & STARLINK-33776 Collision Probability (Pc) TrendNot Available

    STARLINK-31657 & STARLINK-33776 Miss Distance (Miss Distance) Trend

    STARLINK-31657 & STARLINK-33776 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31657Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33776Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31657Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33776Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31657

    No nearby objects data