Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.346258E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T00:24:22+0800
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    1 Object 1

    AOE ID 55048
    NORAD ID 55048
    Object Type PAYLOAD
    Country
    AR AR
    VS

    2 Object 2

    AOE ID 59379
    NORAD ID 59379
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter NUSAT-35 (WILLIAMINA) STARLINK-31698
    Time of Closest Approach 2026-09-13T03:53:13+0000
    Collision Probability (Pc) 1.346258E-6
    Conjunction Distance (km) 2.953 km
    Relative Speed (km/s) 14.444 km/s
    Conjunction Risk Parameters R (Radial): -1.806 | I (In-track): -0.762 | C (Cross-track): 2.208
    Collision Risk Index (CRI) 0.38
    X Position (km) 3784.615 3781.671
    Position Y (km) -4264.187 -4263.986
    Position Z (km) -3791.341 -3791.244
    Velocity X (km/s) 1.912 2.167
    Velocity Y (km/s) -3.877 5.836
    Velocity Z (km/s) 6.278 -4.409

    Orbital Parameters 国际轨道数据源

    Parameter NUSAT-35 (WILLIAMINA) STARLINK-31698
    Semimajor Axis (a) 6832.847 km 6840.790 km
    Eccentricity (e) 0.001178 0.000122
    Inclination (i) 97.1766° 53.1598°
    RAAN 304.9462° 111.8946°
    Perigee Argument 143.9890° 108.2526°
    Mean Anomaly (M) 216.2151° 251.8610°
    Apogee 462.760 km 463.489 km
    Perigee 446.660 km 461.817 km
    Orbit Epoch 2026-09-11T06:43:32+0000 2026-09-10T23:19:45+0000

    NUSAT-35 (WILLIAMINA) & STARLINK-31698 Collision Probability (Pc) Trend

    NUSAT-35 (WILLIAMINA) & STARLINK-31698 Collision Probability (Pc) TrendNot Available

    NUSAT-35 (WILLIAMINA) & STARLINK-31698 Miss Distance (Miss Distance) Trend

    NUSAT-35 (WILLIAMINA) & STARLINK-31698 Miss Distance (Miss Distance) TrendNot Available

    NUSAT-35 (WILLIAMINA)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31698Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NUSAT-35 (WILLIAMINA)Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31698Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NUSAT-35 (WILLIAMINA)

    No nearby objects data