Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.520651E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T03:09:41+0800
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    1 Object 1

    AOE ID 55109
    NORAD ID 55109
    Object Type PAYLOAD
    Country
    CH CH
    ← VS →

    2 Object 2

    AOE ID 64420
    NORAD ID 64420
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ASTROCAST-0402 STARLINK-34503
    Time of Closest Approach 2026-10-19T03:49:22+0000
    Collision Probability (Pc) 2.520651E-6
    Conjunction Distance (km) 2.111 km
    Relative Speed (km/s) 14.98 km/s
    Conjunction Risk Parameters R (Radial): 1.162 | I (In-track): 0.311 | C (Cross-track): 1.736
    Collision Risk Index (CRI) 0.43
    X Position (km) -4080.087 -4079.779
    Position Y (km) -1318.847 -1320.462
    Position Z (km) -5350.562 -5351.886
    Velocity X (km/s) 5.033 -3.449
    Velocity Y (km/s) 3.311 -5.498
    Velocity Z (km/s) -4.662 3.988

    Orbital Parameters 国际轨道数据源

    Parameter ASTROCAST-0402 STARLINK-34503
    Semimajor Axis (a) 6849.961 km 6852.670 km
    Eccentricity (e) 0.000544 0.000142
    Inclination (i) 97.5571° 69.9938°
    RAAN 26.4734° 227.3790°
    Perigee Argument 146.8828° 295.2999°
    Mean Anomaly (M) 213.2754° 64.8030°
    Apogee 475.548 km 475.505 km
    Perigee 468.100 km 473.561 km
    Orbit Epoch 2026-10-18T04:51:30+0000 2026-10-18T06:06:25+0000

    ASTROCAST-0402 & STARLINK-34503 Collision Probability (Pc) Trend

    ASTROCAST-0402 & STARLINK-34503 Collision Probability (Pc) TrendNot Available

    ASTROCAST-0402 & STARLINK-34503 Miss Distance (Miss Distance) Trend

    ASTROCAST-0402 & STARLINK-34503 Miss Distance (Miss Distance) TrendNot Available

    ASTROCAST-0402Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34503Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ASTROCAST-0402Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34503Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ASTROCAST-0402

    No nearby objects data