Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    7.562541E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-04T17:46:48+0800
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    1 Object 1

    AOE ID 17525
    NORAD ID 17525
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 60884
    NORAD ID 60884
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter COSMOS 1821 CZ-6A DEB
    Time of Closest Approach 2026-11-05T00:09:19+0000
    Collision Probability (Pc) 7.562541E-6
    Conjunction Distance (km) 1.437 km
    Relative Speed (km/s) 14.327 km/s
    Conjunction Risk Parameters R (Radial): -0.562 | I (In-track): 0.293 | C (Cross-track): 1.29
    Collision Risk Index (CRI) 0.53
    X Position (km) -211.766 -210.472
    Position Y (km) -2352.906 -2353.055
    Position Z (km) -6956.694 -6956.089
    Velocity X (km/s) 3.395 -0.247
    Velocity Y (km/s) 6.167 -6.95
    Velocity Z (km/s) -2.179 2.285

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 1821 CZ-6A DEB
    Semimajor Axis (a) 7363.525 km 7266.380 km
    Eccentricity (e) 0.003545 0.013795
    Inclination (i) 82.9129° 89.0615°
    RAAN 64.2469° 267.7716°
    Perigee Argument 279.3572° 155.4364°
    Mean Anomaly (M) 236.5714° 205.3472°
    Apogee 1011.490 km 988.481 km
    Perigee 959.286 km 788.005 km
    Orbit Epoch 2026-11-03T19:43:17+0000 2026-11-03T21:05:21+0000

    COSMOS 1821 & CZ-6A DEB Collision Probability (Pc) Trend

    COSMOS 1821 & CZ-6A DEB Collision Probability (Pc) TrendNot Available

    COSMOS 1821 & CZ-6A DEB Miss Distance (Miss Distance) Trend

    COSMOS 1821 & CZ-6A DEB Miss Distance (Miss Distance) TrendNot Available

    COSMOS 1821Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CZ-6A DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 1821Collision Probability Trend

    Object 1 Probability TrendNot Available

    CZ-6A DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 1821

    No nearby objects data