Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.938674E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T20:54:18+0800
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    1 Object 1

    AOE ID 53558
    NORAD ID 53558
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 67586
    NORAD ID 67586
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-4494 CZ-2C DEB
    Time of Closest Approach 2026-10-22T09:38:59+0000
    Collision Probability (Pc) 1.938674E-6
    Conjunction Distance (km) 2.241 km
    Relative Speed (km/s) 12.178 km/s
    Conjunction Risk Parameters R (Radial): 2.188 | I (In-track): -0.283 | C (Cross-track): 0.39
    Collision Risk Index (CRI) 0.41
    X Position (km) -4047.647 -4048.706
    Position Y (km) -703.361 -703.231
    Position Z (km) 5459.945 5461.915
    Velocity X (km/s) 1.713 -6.143
    Velocity Y (km/s) -7.438 0.543
    Velocity Z (km/s) 0.311 -4.472

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4494 CZ-2C DEB
    Semimajor Axis (a) 6840.881 km 6809.426 km
    Eccentricity (e) 0.000117 0.004797
    Inclination (i) 53.1592° 97.1919°
    RAAN 116.9777° 357.7306°
    Perigee Argument 77.8680° 316.7602°
    Mean Anomaly (M) 282.2454° 42.9885°
    Apogee 463.548 km 463.957 km
    Perigee 461.940 km 398.621 km
    Orbit Epoch 2026-10-19T18:44:29+0000 2026-10-19T22:02:55+0000

    STARLINK-4494 & CZ-2C DEB Collision Probability (Pc) Trend

    STARLINK-4494 & CZ-2C DEB Collision Probability (Pc) TrendNot Available

    STARLINK-4494 & CZ-2C DEB Miss Distance (Miss Distance) Trend

    STARLINK-4494 & CZ-2C DEB Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4494Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CZ-2C DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4494Collision Probability Trend

    Object 1 Probability TrendNot Available

    CZ-2C DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4494

    No nearby objects data