Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.573694E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T13:26:20+0800
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    1 Object 1

    AOE ID 15077
    NORAD ID 15077
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 20885
    NORAD ID 20885
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter COSMOS 1577 CZ-4 DEB
    Time of Closest Approach 2026-10-29T14:55:52+0000
    Collision Probability (Pc) 2.573694E-6
    Conjunction Distance (km) 2.083 km
    Relative Speed (km/s) 14.71 km/s
    Conjunction Risk Parameters R (Radial): 1.793 | I (In-track): -0.024 | C (Cross-track): -1.061
    Collision Risk Index (CRI) 0.43
    X Position (km) -1981.351 -1982.847
    Position Y (km) 4083.695 4084.406
    Position Z (km) 5772.468 5773.731
    Velocity X (km/s) 1.158 -0.8
    Velocity Y (km/s) -5.739 5.838
    Velocity Z (km/s) 4.479 -4.381

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 1577 CZ-4 DEB
    Semimajor Axis (a) 7357.357 km 7302.896 km
    Eccentricity (e) 0.003539 0.006620
    Inclination (i) 82.9534° 98.8607°
    RAAN 108.0613° 282.6098°
    Perigee Argument 347.7080° 325.7644°
    Mean Anomaly (M) 125.6244° 209.9766°
    Apogee 1005.256 km 973.102 km
    Perigee 953.184 km 876.416 km
    Orbit Epoch 2026-10-27T23:04:49+0000 2026-10-27T16:33:28+0000

    COSMOS 1577 & CZ-4 DEB Collision Probability (Pc) Trend

    COSMOS 1577 & CZ-4 DEB Collision Probability (Pc) TrendNot Available

    COSMOS 1577 & CZ-4 DEB Miss Distance (Miss Distance) Trend

    COSMOS 1577 & CZ-4 DEB Miss Distance (Miss Distance) TrendNot Available

    COSMOS 1577Miss 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

    COSMOS 1577Collision Probability Trend

    Object 1 Probability TrendNot Available

    CZ-4 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 1577

    No nearby objects data