Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.282604E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-26T09:56:11+0800
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    1 Object 1

    AOE ID 10692
    NORAD ID 10692
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 20046
    NORAD ID 20046
    Object Type ROCKET BODY
    Country
    CIS CIS

    Conjunction Constraints

    Parameter COSMOS 991 SL-8 R/B
    Time of Closest Approach 2026-10-26T04:36:11+0000
    Collision Probability (Pc) 2.282604E-6
    Conjunction Distance (km) 2.12 km
    Relative Speed (km/s) 12.975 km/s
    Conjunction Risk Parameters R (Radial): 2.105 | I (In-track): -0.126 | C (Cross-track): 0.218
    Collision Risk Index (CRI) 0.42
    X Position (km) -1019.685 -1019.761
    Position Y (km) 1595.502 1596.088
    Position Z (km) -7087.031 -7089.067
    Velocity X (km/s) -6.321 0.404
    Velocity Y (km/s) 3.41 -7.16
    Velocity Z (km/s) 1.677 -1.697

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 991 SL-8 R/B
    Semimajor Axis (a) 7354.177 km 7346.764 km
    Eccentricity (e) 0.003521 0.004133
    Inclination (i) 82.9876° 82.9330°
    RAAN 150.4220° 275.3286°
    Perigee Argument 284.0151° 200.7568°
    Mean Anomaly (M) 130.2243° 159.1914°
    Apogee 1001.932 km 998.989 km
    Perigee 950.148 km 938.265 km
    Orbit Epoch 2026-10-25T15:16:56+0000 2026-10-25T15:10:12+0000

    COSMOS 991 & SL-8 R/B Collision Probability (Pc) Trend

    COSMOS 991 & SL-8 R/B Collision Probability (Pc) TrendNot Available

    COSMOS 991 & SL-8 R/B Miss Distance (Miss Distance) Trend

    COSMOS 991 & SL-8 R/B Miss Distance (Miss Distance) TrendNot Available

    COSMOS 991Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SL-8 R/BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 991Collision Probability Trend

    Object 1 Probability TrendNot Available

    SL-8 R/BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 991

    No nearby objects data