Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.834492E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T05:51:35+0800
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    1 Object 1

    AOE ID 55112
    NORAD ID 55112
    Object Type PAYLOAD
    Country
    CH CH
    VS

    2 Object 2

    AOE ID 66566
    NORAD ID 66566
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ASTROCAST-0404 STARLINK-35871
    Time of Closest Approach 2026-09-03T15:57:21+0000
    Collision Probability (Pc) 4.834492E-6
    Conjunction Distance (km) 1.549 km
    Relative Speed (km/s) 10.633 km/s
    Conjunction Risk Parameters R (Radial): -0.792 | I (In-track): -0.958 | C (Cross-track): 0.924
    Collision Risk Index (CRI) 0.49
    X Position (km) 5030.497 5029.052
    Position Y (km) -989.395 -989.865
    Position Z (km) -4564.094 -4564.393
    Velocity X (km/s) 4.625 2.441
    Velocity Y (km/s) -2.277 7.125
    Velocity Z (km/s) 5.603 1.145

    Orbital Parameters 国际轨道数据源

    Parameter ASTROCAST-0404 STARLINK-35871
    Semimajor Axis (a) 6854.995 km 6861.146 km
    Eccentricity (e) 0.000770 0.000144
    Inclination (i) 97.5652° 43.0038°
    RAAN 340.6217° 73.4516°
    Perigee Argument 81.7459° 260.9891°
    Mean Anomaly (M) 278.4654° 99.0798°
    Apogee 482.136 km 483.999 km
    Perigee 471.580 km 482.019 km
    Orbit Epoch 2026-09-02T05:36:02+0000 2026-09-01T14:04:41+0000

    ASTROCAST-0404 & STARLINK-35871 Collision Probability (Pc) Trend

    ASTROCAST-0404 & STARLINK-35871 Collision Probability (Pc) TrendNot Available

    ASTROCAST-0404 & STARLINK-35871 Miss Distance (Miss Distance) Trend

    ASTROCAST-0404 & STARLINK-35871 Miss Distance (Miss Distance) TrendNot Available

    ASTROCAST-0404Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35871Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ASTROCAST-0404Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35871Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ASTROCAST-0404

    No nearby objects data