Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.192849E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T11:08:14+0800
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    1 Object 1

    AOE ID 3530
    NORAD ID 3530
    Object Type PAYLOAD
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 63177
    NORAD ID 63177
    Object Type ROCKET BODY
    Country
    CN CN

    Conjunction Constraints

    Parameter COSMOS 252 CZ-8 R/B
    Time of Closest Approach 2026-09-05T04:11:51+0000
    Collision Probability (Pc) 1.192849E-6
    Conjunction Distance (km) 2.195 km
    Relative Speed (km/s) 5.012 km/s
    Conjunction Risk Parameters R (Radial): -1.365 | I (In-track): -1.53 | C (Cross-track): 0.783
    Collision Risk Index (CRI) 0.37
    X Position (km) -1422.252 -1421.302
    Position Y (km) 5028.312 5026.352
    Position Z (km) 4965.842 4966.117
    Velocity X (km/s) -5.932 -1.57
    Velocity Y (km/s) 2.989 4.869
    Velocity Z (km/s) -3.819 -5.417

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 252 CZ-8 R/B
    Semimajor Axis (a) 7686.322 km 7238.644 km
    Eccentricity (e) 0.101323 0.006179
    Inclination (i) 62.3191° 88.9646°
    RAAN 319.3966° 286.9333°
    Perigee Argument 71.1461° 192.7947°
    Mean Anomaly (M) 299.6553° 167.1673°
    Apogee 2086.987 km 905.234 km
    Perigee 529.383 km 815.780 km
    Orbit Epoch 2026-09-03T16:14:31+0000 2026-09-03T19:10:52+0000

    COSMOS 252 & CZ-8 R/B Collision Probability (Pc) Trend

    COSMOS 252 & CZ-8 R/B Collision Probability (Pc) TrendNot Available

    COSMOS 252 & CZ-8 R/B Miss Distance (Miss Distance) Trend

    COSMOS 252 & CZ-8 R/B Miss Distance (Miss Distance) TrendNot Available

    COSMOS 252Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CZ-8 R/BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 252Collision Probability Trend

    Object 1 Probability TrendNot Available

    CZ-8 R/BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 252

    No nearby objects data