Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.853648E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T21:49:03+0800
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    1 Object 1

    AOE ID 57731
    NORAD ID 57731
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 57890
    NORAD ID 57890
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter YAOGAN-39 01C YAOGAN-39 02C
    Time of Closest Approach 2026-10-22T03:34:32+0000
    Collision Probability (Pc) 7.853648E-7
    Conjunction Distance (km) 2.857 km
    Relative Speed (km/s) 5.128 km/s
    Conjunction Risk Parameters R (Radial): 0.63 | I (In-track): 2.625 | C (Cross-track): -0.936
    Collision Risk Index (CRI) 0.33
    X Position (km) 5336.255 5335.471
    Position Y (km) 2737.542 2740.272
    Position Z (km) -3395.434 -3395.742
    Velocity X (km/s) -2.152 -4.394
    Velocity Y (km/s) 6.945 5.793
    Velocity Z (km/s) 2.235 -2.23

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN-39 01C YAOGAN-39 02C
    Semimajor Axis (a) 6892.471 km 6892.248 km
    Eccentricity (e) 0.001040 0.000249
    Inclination (i) 34.9923° 34.9922°
    RAAN 89.3248° 159.9898°
    Perigee Argument 0.2057° 260.1783°
    Mean Anomaly (M) 359.8659° 99.8649°
    Apogee 521.499 km 515.826 km
    Perigee 507.169 km 512.396 km
    Orbit Epoch 2026-10-20T20:14:59+0000 2026-10-21T01:15:33+0000

    YAOGAN-39 01C & YAOGAN-39 02C Collision Probability (Pc) Trend

    YAOGAN-39 01C & YAOGAN-39 02C Collision Probability (Pc) TrendNot Available

    YAOGAN-39 01C & YAOGAN-39 02C Miss Distance (Miss Distance) Trend

    YAOGAN-39 01C & YAOGAN-39 02C Miss Distance (Miss Distance) TrendNot Available

    YAOGAN-39 01CMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YAOGAN-39 02CMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN-39 01CCollision Probability Trend

    Object 1 Probability TrendNot Available

    YAOGAN-39 02CCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN-39 01C

    No nearby objects data