Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.589429E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T07:44:54+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 2026-10-21T22:50:16+0000
    Collision Probability (Pc) 3.589429E-6
    Conjunction Distance (km) 1.461 km
    Relative Speed (km/s) 5.128 km/s
    Conjunction Risk Parameters R (Radial): -0.921 | I (In-track): 1.069 | C (Cross-track): 0.378
    Collision Risk Index (CRI) 0.46
    X Position (km) 5275.425 5276.671
    Position Y (km) 2853.325 2852.711
    Position Z (km) -3394.701 -3395.15
    Velocity X (km/s) -2.303 -4.516
    Velocity Y (km/s) 6.896 5.698
    Velocity Z (km/s) 2.236 -2.232

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN-39 01C YAOGAN-39 02C
    Semimajor Axis (a) 6892.479 km 6892.272 km
    Eccentricity (e) 0.001044 0.000244
    Inclination (i) 34.9922° 34.9922°
    RAAN 91.3759° 166.1433°
    Perigee Argument 357.1240° 255.3426°
    Mean Anomaly (M) 2.9411° 104.7016°
    Apogee 521.536 km 515.817 km
    Perigee 507.148 km 512.453 km
    Orbit Epoch 2026-10-20T12:21:12+0000 2026-10-20T01:34:16+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