Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.985035E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T00:44:22+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) 1.985035E-6
    Conjunction Distance (km) 2.216 km
    Relative Speed (km/s) 12.178 km/s
    Conjunction Risk Parameters R (Radial): -2.214 | I (In-track): -0.055 | C (Cross-track): -0.063
    Collision Risk Index (CRI) 0.41
    X Position (km) -4047.706 -4049.062
    Position Y (km) -702.913 -703.2
    Position Z (km) 5459.927 5461.656
    Velocity X (km/s) 1.713 -6.143
    Velocity Y (km/s) -7.438 0.543
    Velocity Z (km/s) 0.312 -4.472

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4494 CZ-2C DEB
    Semimajor Axis (a) 6840.885 km 6809.426 km
    Eccentricity (e) 0.000122 0.004797
    Inclination (i) 53.1595° 97.1919°
    RAAN 113.6274° 357.7306°
    Perigee Argument 87.6606° 316.7602°
    Mean Anomaly (M) 272.4536° 42.9885°
    Apogee 463.583 km 463.957 km
    Perigee 461.913 km 398.621 km
    Orbit Epoch 2026-10-20T11:56:15+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