Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.64489E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T14:17:27+0800
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    1 Object 1

    AOE ID 19826
    NORAD ID 19826
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 21876
    NORAD ID 21876
    Object Type ROCKET BODY
    Country
    CIS CIS

    Conjunction Constraints

    Parameter COSMOS 2004 SL-8 R/B
    Time of Closest Approach 2026-10-30T15:20:45+0000
    Collision Probability (Pc) 1.64489E-6
    Conjunction Distance (km) 2.314 km
    Relative Speed (km/s) 10.367 km/s
    Conjunction Risk Parameters R (Radial): 1.966 | I (In-track): -0.857 | C (Cross-track): -0.867
    Collision Risk Index (CRI) 0.39
    X Position (km) 849.584 850.715
    Position Y (km) 950.295 949.729
    Position Z (km) -7246.193 -7248.131
    Velocity X (km/s) -7.296 -0.499
    Velocity Y (km/s) -0.339 7.283
    Velocity Z (km/s) -0.911 0.871

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2004 SL-8 R/B
    Semimajor Axis (a) 7368.515 km 7356.279 km
    Eccentricity (e) 0.002886 0.003420
    Inclination (i) 82.9551° 82.9235°
    RAAN 185.5094° 95.0947°
    Perigee Argument 240.3280° 204.1480°
    Mean Anomaly (M) 130.4168° 267.4327°
    Apogee 1011.640 km 1003.300 km
    Perigee 969.116 km 952.984 km
    Orbit Epoch 2026-10-27T23:08:17+0000 2026-10-27T21:58:26+0000

    COSMOS 2004 & SL-8 R/B Collision Probability (Pc) Trend

    COSMOS 2004 & SL-8 R/B Collision Probability (Pc) TrendNot Available

    COSMOS 2004 & SL-8 R/B Miss Distance (Miss Distance) Trend

    COSMOS 2004 & SL-8 R/B Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2004Miss 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 2004Collision Probability Trend

    Object 1 Probability TrendNot Available

    SL-8 R/BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2004

    No nearby objects data