Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.565824E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T16:46:46+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 58092
    NORAD ID 58092
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ASTROCAST-0404 STARLINK-30615
    Time of Closest Approach 2026-09-05T18:16:49+0000
    Collision Probability (Pc) 1.565824E-6
    Conjunction Distance (km) 2.632 km
    Relative Speed (km/s) 14.136 km/s
    Conjunction Risk Parameters R (Radial): 2.587 | I (In-track): -0.178 | C (Cross-track): 0.45
    Collision Risk Index (CRI) 0.39
    X Position (km) 6199.766 6201.923
    Position Y (km) -1396.051 -1396.966
    Position Z (km) -2584.366 -2585.563
    Velocity X (km/s) 2.525 -0.396
    Velocity Y (km/s) -1.678 6.256
    Velocity Z (km/s) 6.992 -4.335

    Orbital Parameters 国际轨道数据源

    Parameter ASTROCAST-0404 STARLINK-30615
    Semimajor Axis (a) 6854.926 km 6861.229 km
    Eccentricity (e) 0.000766 0.000167
    Inclination (i) 97.5650° 43.0053°
    RAAN 341.6200° 150.8879°
    Perigee Argument 78.7483° 274.7099°
    Mean Anomaly (M) 281.4618° 85.3561°
    Apogee 482.043 km 484.240 km
    Perigee 471.535 km 481.944 km
    Orbit Epoch 2026-09-03T05:09:01+0000 2026-09-04T02:07:05+0000

    ASTROCAST-0404 & STARLINK-30615 Collision Probability (Pc) Trend

    ASTROCAST-0404 & STARLINK-30615 Collision Probability (Pc) TrendNot Available

    ASTROCAST-0404 & STARLINK-30615 Miss Distance (Miss Distance) Trend

    ASTROCAST-0404 & STARLINK-30615 Miss Distance (Miss Distance) TrendNot Available

    ASTROCAST-0404Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30615Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ASTROCAST-0404Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30615Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ASTROCAST-0404

    No nearby objects data