Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.357511E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T01:24:24+0800
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    1 Object 1

    AOE ID 35397
    NORAD ID 35397
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 68981
    NORAD ID 68981
    Object Type PAYLOAD
    Country
    IT IT

    Conjunction Constraints

    Parameter CZ-4 DEB IRIDE-MS2-HEO-7
    Time of Closest Approach 2026-09-07T01:13:27+0000
    Collision Probability (Pc) 1.357511E-6
    Conjunction Distance (km) 2.893 km
    Relative Speed (km/s) 14.007 km/s
    Conjunction Risk Parameters R (Radial): -2.669 | I (In-track): 0.401 | C (Cross-track): 1.04
    Collision Risk Index (CRI) 0.38
    X Position (km) 2552.934 2551.712
    Position Y (km) -675.087 -675.915
    Position Z (km) 6450.004 6447.517
    Velocity X (km/s) -6.99 5.638
    Velocity Y (km/s) -1.254 -4.27
    Velocity Z (km/s) 2.582 -2.676

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4 DEB IRIDE-MS2-HEO-7
    Semimajor Axis (a) 6967.489 km 6972.361 km
    Eccentricity (e) 0.006058 0.000354
    Inclination (i) 98.6448° 97.7248°
    RAAN 3.9722° 142.4967°
    Perigee Argument 180.8672° 241.2931°
    Mean Anomaly (M) 179.2450° 118.7932°
    Apogee 631.561 km 596.691 km
    Perigee 547.143 km 591.757 km
    Orbit Epoch 2026-09-04T06:57:15+0000 2026-09-03T16:12:22+0000

    CZ-4 DEB & IRIDE-MS2-HEO-7 Collision Probability (Pc) Trend

    CZ-4 DEB & IRIDE-MS2-HEO-7 Collision Probability (Pc) TrendNot Available

    CZ-4 DEB & IRIDE-MS2-HEO-7 Miss Distance (Miss Distance) Trend

    CZ-4 DEB & IRIDE-MS2-HEO-7 Miss Distance (Miss Distance) TrendNot Available

    CZ-4 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDE-MS2-HEO-7Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDE-MS2-HEO-7Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4 DEB

    No nearby objects data