Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.510642E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T20:45:56+0800
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    1 Object 1

    AOE ID 53539
    NORAD ID 53539
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 68251
    NORAD ID 68251
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4123 STARLINK-36274
    Time of Closest Approach 2026-10-21T07:24:03+0000
    Collision Probability (Pc) 2.510642E-6
    Conjunction Distance (km) 2 km
    Relative Speed (km/s) 12.034 km/s
    Conjunction Risk Parameters R (Radial): -1.255 | I (In-track): -0.963 | C (Cross-track): 1.223
    Collision Risk Index (CRI) 0.43
    X Position (km) -4755.591 -4753.631
    Position Y (km) 4654.661 4654.92
    Position Z (km) 1581.266 1580.97
    Velocity X (km/s) -2.291 -4.293
    Velocity Y (km/s) -4.341 -2.383
    Velocity Z (km/s) 5.851 -5.852

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4123 STARLINK-36274
    Semimajor Axis (a) 6840.877 km 6840.802 km
    Eccentricity (e) 0.000135 0.000252
    Inclination (i) 53.1587° 53.1561°
    RAAN 136.6358° 336.0553°
    Perigee Argument 91.5170° 97.8706°
    Mean Anomaly (M) 268.5988° 262.2583°
    Apogee 463.666 km 464.390 km
    Perigee 461.814 km 460.940 km
    Orbit Epoch 2026-10-18T21:29:15+0000 2026-10-19T03:06:32+0000

    STARLINK-4123 & STARLINK-36274 Collision Probability (Pc) Trend

    STARLINK-4123 & STARLINK-36274 Collision Probability (Pc) TrendNot Available

    STARLINK-4123 & STARLINK-36274 Miss Distance (Miss Distance) Trend

    STARLINK-4123 & STARLINK-36274 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4123Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36274Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4123Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36274Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4123

    No nearby objects data