Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.016067E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T05:22:19+0800
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    1 Object 1

    AOE ID 16494
    NORAD ID 16494
    Object Type ROCKET BODY
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 22590
    NORAD ID 22590
    Object Type PAYLOAD
    Country
    CIS CIS

    Conjunction Constraints

    Parameter SL-8 R/B COSMOS 2239
    Time of Closest Approach 2026-09-16T13:20:08+0000
    Collision Probability (Pc) 1.016067E-6
    Conjunction Distance (km) 1.586 km
    Relative Speed (km/s) 0.73 km/s
    Conjunction Risk Parameters R (Radial): 0.697 | I (In-track): 1.424 | C (Cross-track): -0.044
    Collision Risk Index (CRI) 0.35
    X Position (km) -877.151 -877.56
    Position Y (km) 223.66 222.295
    Position Z (km) 7281.844 7282.539
    Velocity X (km/s) -1.462 -2.166
    Velocity Y (km/s) -7.226 -7.048
    Velocity Z (km/s) 0.033 -0.032

    Orbital Parameters 国际轨道数据源

    Parameter SL-8 R/B COSMOS 2239
    Semimajor Axis (a) 7353.401 km 7357.527 km
    Eccentricity (e) 0.002010 0.002394
    Inclination (i) 82.9271° 82.9273°
    RAAN 79.4179° 73.7041°
    Perigee Argument 149.8729° 43.9428°
    Mean Anomaly (M) 236.1355° 344.0217°
    Apogee 990.045 km 997.007 km
    Perigee 960.483 km 961.773 km
    Orbit Epoch 2026-09-15T10:51:50+0000 2026-09-15T10:50:59+0000

    SL-8 R/B & COSMOS 2239 Collision Probability (Pc) Trend

    SL-8 R/B & COSMOS 2239 Collision Probability (Pc) TrendNot Available

    SL-8 R/B & COSMOS 2239 Miss Distance (Miss Distance) Trend

    SL-8 R/B & COSMOS 2239 Miss Distance (Miss Distance) TrendNot Available

    SL-8 R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 2239Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-8 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2239Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-8 R/B

    No nearby objects data