Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.272476E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T20:53:26+0800
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    1 Object 1

    AOE ID 54750
    NORAD ID 54750
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 58966
    NORAD ID 58966
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN-36 04C STARLINK-31449
    Time of Closest Approach 2026-10-21T02:04:08+0000
    Collision Probability (Pc) 2.272476E-6
    Conjunction Distance (km) 1.974 km
    Relative Speed (km/s) 9.744 km/s
    Conjunction Risk Parameters R (Radial): 1.974 | I (In-track): -0.015 | C (Cross-track): 0.02
    Collision Risk Index (CRI) 0.42
    X Position (km) -4142.332 -4143.508
    Position Y (km) 4885.928 4887.351
    Position Z (km) 2387.967 2388.665
    Velocity X (km/s) -4.254 -5.059
    Velocity Y (km/s) -5.311 -1.59
    Velocity Z (km/s) 3.471 -5.498

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN-36 04C STARLINK-31449
    Semimajor Axis (a) 6837.423 km 6840.894 km
    Eccentricity (e) 0.000447 0.000149
    Inclination (i) 34.9794° 53.1588°
    RAAN 111.8707° 335.4851°
    Perigee Argument 192.2369° 93.0151°
    Mean Anomaly (M) 167.8241° 267.1022°
    Apogee 462.339 km 463.774 km
    Perigee 456.233 km 461.740 km
    Orbit Epoch 2026-10-18T22:24:55+0000 2026-10-19T04:03:58+0000

    YAOGAN-36 04C & STARLINK-31449 Collision Probability (Pc) Trend

    YAOGAN-36 04C & STARLINK-31449 Collision Probability (Pc) TrendNot Available

    YAOGAN-36 04C & STARLINK-31449 Miss Distance (Miss Distance) Trend

    YAOGAN-36 04C & STARLINK-31449 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN-36 04CMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31449Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN-36 04CCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31449Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN-36 04C

    No nearby objects data