Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.517787E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T21:50:23+0800
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    1 Object 1

    AOE ID 43778
    NORAD ID 43778
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63878
    NORAD ID 63878
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SPAWAR-CAL-OR STARLINK-33901
    Time of Closest Approach 2026-09-04T15:30:45+0000
    Collision Probability (Pc) 1.517787E-6
    Conjunction Distance (km) 2.726 km
    Relative Speed (km/s) 14.723 km/s
    Conjunction Risk Parameters R (Radial): 1.956 | I (In-track): -0.483 | C (Cross-track): 1.837
    Collision Risk Index (CRI) 0.39
    X Position (km) 612.562 611.285
    Position Y (km) -3210.697 -3212.749
    Position Z (km) 6027.109 6028.371
    Velocity X (km/s) -3.228 6.246
    Velocity Y (km/s) 5.96 -3.564
    Velocity Z (km/s) 3.499 -2.526

    Orbital Parameters 国际轨道数据源

    Parameter SPAWAR-CAL-OR STARLINK-33901
    Semimajor Axis (a) 6870.260 km 6870.100 km
    Eccentricity (e) 0.001214 0.000253
    Inclination (i) 97.3725° 69.9992°
    RAAN 294.0866° 143.9911°
    Perigee Argument 45.9183° 322.7754°
    Mean Anomaly (M) 314.3052° 131.5154°
    Apogee 500.467 km 493.703 km
    Perigee 483.779 km 490.223 km
    Orbit Epoch 2026-09-04T02:38:19+0000 2026-09-04T06:00:02+0000

    SPAWAR-CAL-OR & STARLINK-33901 Collision Probability (Pc) Trend

    SPAWAR-CAL-OR & STARLINK-33901 Collision Probability (Pc) TrendNot Available

    SPAWAR-CAL-OR & STARLINK-33901 Miss Distance (Miss Distance) Trend

    SPAWAR-CAL-OR & STARLINK-33901 Miss Distance (Miss Distance) TrendNot Available

    SPAWAR-CAL-ORMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33901Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SPAWAR-CAL-ORCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33901Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SPAWAR-CAL-OR

    No nearby objects data