Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.227364E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T23:33:28+0800
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    1 Object 1

    AOE ID 35319
    NORAD ID 35319
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 47533
    NORAD ID 47533
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter CZ-4 DEB YAOGAN-31 E
    Time of Closest Approach 2026-10-20T21:11:49+0000
    Collision Probability (Pc) 2.227364E-6
    Conjunction Distance (km) 2.206 km
    Relative Speed (km/s) 14.457 km/s
    Conjunction Risk Parameters R (Radial): -1.432 | I (In-track): 0.321 | C (Cross-track): 1.647
    Collision Risk Index (CRI) 0.42
    X Position (km) -5909.417 -5908.103
    Position Y (km) -1879.935 -1881.157
    Position Z (km) 3947.46 3946.178
    Velocity X (km/s) -4.112 4.355
    Velocity Y (km/s) 0.058 -2.747
    Velocity Z (km/s) -6.03 5.346

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4 DEB YAOGAN-31 E
    Semimajor Axis (a) 7223.761 km 7467.161 km
    Eccentricity (e) 0.018847 0.018757
    Inclination (i) 98.6544° 63.4020°
    RAAN 11.1981° 180.6139°
    Perigee Argument 347.5987° 1.1540°
    Mean Anomaly (M) 189.3073° 358.9882°
    Apogee 981.770 km 1229.088 km
    Perigee 709.478 km 948.960 km
    Orbit Epoch 2026-10-19T23:15:52+0000 2026-10-20T06:45:02+0000

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

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

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

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

    CZ-4 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YAOGAN-31 EMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    YAOGAN-31 ECollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4 DEB

    No nearby objects data