Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.900429E-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 58455
    NORAD ID 58455
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ASTROCAST-0404 STARLINK-30935
    Time of Closest Approach 2026-09-03T20:41:21+0000
    Collision Probability (Pc) 3.900429E-6
    Conjunction Distance (km) 1.748 km
    Relative Speed (km/s) 13.459 km/s
    Conjunction Risk Parameters R (Radial): 0.088 | I (In-track): 0.828 | C (Cross-track): -1.537
    Collision Risk Index (CRI) 0.47
    X Position (km) 5401.541 5402.519
    Position Y (km) -1157.776 -1156.573
    Position Z (km) -4072.861 -4072.054
    Velocity X (km/s) 4.092 -0.397
    Velocity Y (km/s) -2.151 7.165
    Velocity Z (km/s) 6.053 -2.562

    Orbital Parameters 国际轨道数据源

    Parameter ASTROCAST-0404 STARLINK-30935
    Semimajor Axis (a) 6854.995 km 6861.202 km
    Eccentricity (e) 0.000770 0.000161
    Inclination (i) 97.5652° 43.0057°
    RAAN 340.6217° 127.7266°
    Perigee Argument 81.7459° 265.2615°
    Mean Anomaly (M) 278.4654° 94.8054°
    Apogee 482.136 km 484.169 km
    Perigee 471.580 km 481.961 km
    Orbit Epoch 2026-09-02T05:36:02+0000 2026-09-01T17:25:29+0000

    ASTROCAST-0404 & STARLINK-30935 Collision Probability (Pc) Trend

    ASTROCAST-0404 & STARLINK-30935 Collision Probability (Pc) TrendNot Available

    ASTROCAST-0404 & STARLINK-30935 Miss Distance (Miss Distance) Trend

    ASTROCAST-0404 & STARLINK-30935 Miss Distance (Miss Distance) TrendNot Available

    ASTROCAST-0404Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30935Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ASTROCAST-0404Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30935Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ASTROCAST-0404

    No nearby objects data