Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    6.182602E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T12:39:00+0800
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    1 Object 1

    AOE ID 45484
    NORAD ID 45484
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 47532
    NORAD ID 47532
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter CZ-4C DEB YAOGAN-31 D
    Time of Closest Approach 2026-10-30T15:06:28+0000
    Collision Probability (Pc) 6.182602E-7
    Conjunction Distance (km) 2.511 km
    Relative Speed (km/s) 2.274 km/s
    Conjunction Risk Parameters R (Radial): -2.471 | I (In-track): -0.414 | C (Cross-track): -0.136
    Collision Risk Index (CRI) 0.31
    X Position (km) -1941.235 -1940.979
    Position Y (km) -2763.583 -2762.471
    Position Z (km) 6635.981 6633.746
    Velocity X (km/s) 5.294 6.472
    Velocity Y (km/s) -5.055 -3.37
    Velocity Z (km/s) -0.329 0.643

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4C DEB YAOGAN-31 D
    Semimajor Axis (a) 7476.451 km 7467.157 km
    Eccentricity (e) 0.027763 0.018798
    Inclination (i) 63.3852° 63.4010°
    RAAN 138.8989° 156.7809°
    Perigee Argument 9.2999° 1.0958°
    Mean Anomaly (M) 351.3018° 359.0443°
    Apogee 1305.885 km 1229.384 km
    Perigee 890.743 km 948.656 km
    Orbit Epoch 2026-10-29T02:54:56+0000 2026-10-29T22:38:31+0000

    CZ-4C DEB & YAOGAN-31 D Collision Probability (Pc) Trend

    CZ-4C DEB & YAOGAN-31 D Collision Probability (Pc) TrendNot Available

    CZ-4C DEB & YAOGAN-31 D Miss Distance (Miss Distance) Trend

    CZ-4C DEB & YAOGAN-31 D Miss Distance (Miss Distance) TrendNot Available

    CZ-4C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YAOGAN-31 DMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    YAOGAN-31 DCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4C DEB

    No nearby objects data