Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.463056E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T00:05:28+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) 7.463056E-7
    Conjunction Distance (km) 2.987 km
    Relative Speed (km/s) 5.128 km/s
    Conjunction Risk Parameters R (Radial): 0.937 | I (In-track): -2.667 | C (Cross-track): 0.963
    Collision Risk Index (CRI) 0.32
    X Position (km) 5275.13 5277.199
    Position Y (km) 2854.149 2852.044
    Position Z (km) -3394.434 -3394.889
    Velocity X (km/s) -2.303 -4.515
    Velocity Y (km/s) 6.896 5.698
    Velocity Z (km/s) 2.237 -2.232

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN-39 01C YAOGAN-39 02C
    Semimajor Axis (a) 6892.489 km 6892.272 km
    Eccentricity (e) 0.001053 0.000244
    Inclination (i) 34.9922° 34.9922°
    RAAN 95.0678° 166.1433°
    Perigee Argument 351.9503° 255.3426°
    Mean Anomaly (M) 8.1040° 104.7016°
    Apogee 521.608 km 515.817 km
    Perigee 507.096 km 512.453 km
    Orbit Epoch 2026-10-19T22:08:23+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