Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.738448E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-06T03:52:53+0800
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    1 Object 1

    AOE ID 10491
    NORAD ID 10491
    Object Type PAYLOAD
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 56576
    NORAD ID 56576
    Object Type DEBRIS
    Country
    CIS CIS

    Conjunction Constraints

    Parameter COSMOS 963 COSMOS 2499 DEB
    Time of Closest Approach 2026-09-06T04:33:08+0000
    Collision Probability (Pc) 1.738448E-6
    Conjunction Distance (km) 1.67 km
    Relative Speed (km/s) 3.024 km/s
    Conjunction Risk Parameters R (Radial): -1.581 | I (In-track): -0.515 | C (Cross-track): 0.142
    Collision Risk Index (CRI) 0.4
    X Position (km) 236.346 235.793
    Position Y (km) -972.412 -972.388
    Position Z (km) 7506.161 7504.586
    Velocity X (km/s) 5.948 7.165
    Velocity Y (km/s) 4.13 1.402
    Velocity Z (km/s) 0.34 -0.134

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 963 COSMOS 2499 DEB
    Semimajor Axis (a) 7571.811 km 7681.439 km
    Eccentricity (e) 0.001441 0.018212
    Inclination (i) 82.9302° 82.4182°
    RAAN 215.6084° 193.0196°
    Perigee Argument 228.0340° 140.9509°
    Mean Anomaly (M) 251.3520° 220.4910°
    Apogee 1204.583 km 1443.195 km
    Perigee 1182.765 km 1163.409 km
    Orbit Epoch 2026-09-05T10:29:27+0000 2026-09-03T03:27:56+0000

    COSMOS 963 & COSMOS 2499 DEB Collision Probability (Pc) Trend

    COSMOS 963 & COSMOS 2499 DEB Collision Probability (Pc) TrendNot Available

    COSMOS 963 & COSMOS 2499 DEB Miss Distance (Miss Distance) Trend

    COSMOS 963 & COSMOS 2499 DEB Miss Distance (Miss Distance) TrendNot Available

    COSMOS 963Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 2499 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 963Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2499 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 963

    No nearby objects data