Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.019055E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-22T12:27:41+0800
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    1 Object 1

    AOE ID 28071
    NORAD ID 28071
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 57830
    NORAD ID 57830
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter CZ-4 DEB YAOGAN-40 01A
    Time of Closest Approach 2026-10-23T00:51:20+0000
    Collision Probability (Pc) 3.019055E-6
    Conjunction Distance (km) 1.43 km
    Relative Speed (km/s) 3.521 km/s
    Conjunction Risk Parameters R (Radial): -1.127 | I (In-track): 0.856 | C (Cross-track): -0.204
    Collision Risk Index (CRI) 0.45
    X Position (km) -2897.149 -2896.07
    Position Y (km) -1691.413 -1690.686
    Position Z (km) 6396.463 6395.871
    Velocity X (km/s) 4.154 6.183
    Velocity Y (km/s) 5.187 2.316
    Velocity Z (km/s) 3.23 3.405

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4 DEB YAOGAN-40 01A
    Semimajor Axis (a) 7154.791 km 7229.074 km
    Eccentricity (e) 0.010541 0.000204
    Inclination (i) 98.6203° 85.9967°
    RAAN 225.7089° 203.0819°
    Perigee Argument 237.1726° 86.3080°
    Mean Anomaly (M) 243.8376° 273.8337°
    Apogee 852.074 km 852.415 km
    Perigee 701.234 km 849.459 km
    Orbit Epoch 2026-10-21T15:38:30+0000 2026-10-21T23:03:27+0000

    CZ-4 DEB & YAOGAN-40 01A Collision Probability (Pc) Trend

    CZ-4 DEB & YAOGAN-40 01A Collision Probability (Pc) TrendNot Available

    CZ-4 DEB & YAOGAN-40 01A Miss Distance (Miss Distance) Trend

    CZ-4 DEB & YAOGAN-40 01A Miss Distance (Miss Distance) TrendNot Available

    CZ-4 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YAOGAN-40 01AMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    YAOGAN-40 01ACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4 DEB

    No nearby objects data