Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.755332E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T22:14:19+0800
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    1 Object 1

    AOE ID 7714
    NORAD ID 7714
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 20855
    NORAD ID 20855
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter METEOR 1-21 CZ-4 DEB
    Time of Closest Approach 2026-10-27T21:56:26+0000
    Collision Probability (Pc) 2.755332E-6
    Conjunction Distance (km) 2.03 km
    Relative Speed (km/s) 14.8 km/s
    Conjunction Risk Parameters R (Radial): -1.885 | I (In-track): -0.013 | C (Cross-track): 0.751
    Collision Risk Index (CRI) 0.44
    X Position (km) 1598.28 1598.595
    Position Y (km) -6342.852 -6341.085
    Position Z (km) -3155.975 -3155.028
    Velocity X (km/s) 0.444 -0.454
    Velocity Y (km/s) 3.389 -3.368
    Velocity Z (km/s) -6.563 6.573

    Orbital Parameters 国际轨道数据源

    Parameter METEOR 1-21 CZ-4 DEB
    Semimajor Axis (a) 7242.771 km 7240.268 km
    Eccentricity (e) 0.002817 0.002476
    Inclination (i) 81.1830° 98.8474°
    RAAN 100.5824° 278.8796°
    Perigee Argument 342.8071° 123.3505°
    Mean Anomaly (M) 17.2142° 291.4640°
    Apogee 885.040 km 880.056 km
    Perigee 844.228 km 844.206 km
    Orbit Epoch 2026-10-27T03:54:54+0000 2026-10-26T22:27:57+0000

    METEOR 1-21 & CZ-4 DEB Collision Probability (Pc) Trend

    METEOR 1-21 & CZ-4 DEB Collision Probability (Pc) TrendNot Available

    METEOR 1-21 & CZ-4 DEB Miss Distance (Miss Distance) Trend

    METEOR 1-21 & CZ-4 DEB Miss Distance (Miss Distance) TrendNot Available

    METEOR 1-21Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CZ-4 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    METEOR 1-21Collision Probability Trend

    Object 1 Probability TrendNot Available

    CZ-4 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with METEOR 1-21

    No nearby objects data