Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    7.214522E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-02T05:55:56+0800
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    1 Object 1

    AOE ID 39055
    NORAD ID 39055
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 39269
    NORAD ID 39269
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4 DEB POPACS 2
    Time of Closest Approach 2026-09-03T03:55:36+0000
    Collision Probability (Pc) 7.214522E-6
    Conjunction Distance (km) 1.467 km
    Relative Speed (km/s) 14.779 km/s
    Conjunction Risk Parameters R (Radial): 0.099 | I (In-track): -0.028 | C (Cross-track): 1.463
    Collision Risk Index (CRI) 0.52
    X Position (km) -571.113 -572.302
    Position Y (km) 1131.778 1132.572
    Position Z (km) 7063.611 7063.286
    Velocity X (km/s) 4.057 -4.307
    Velocity Y (km/s) 6.215 -5.882
    Velocity Z (km/s) -0.671 0.785

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4 DEB POPACS 2
    Semimajor Axis (a) 7187.590 km 6964.752 km
    Eccentricity (e) 0.000826 0.040677
    Inclination (i) 98.7504° 80.9891°
    RAAN 234.3088° 56.7085°
    Perigee Argument 156.5208° 308.5785°
    Mean Anomaly (M) 325.7468° 47.9632°
    Apogee 815.389 km 869.918 km
    Perigee 803.517 km 303.312 km
    Orbit Epoch 2026-08-30T19:08:58+0000 2026-09-01T11:20:58+0000

    CZ-4 DEB & POPACS 2 Collision Probability (Pc) Trend

    CZ-4 DEB & POPACS 2 Collision Probability (Pc) TrendNot Available

    CZ-4 DEB & POPACS 2 Miss Distance (Miss Distance) Trend

    CZ-4 DEB & POPACS 2 Miss Distance (Miss Distance) TrendNot Available

    CZ-4 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    POPACS 2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    POPACS 2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4 DEB

    No nearby objects data