Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.776723E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T14:32:59+0800
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    1 Object 1

    AOE ID 9637
    NORAD ID 9637
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 21903
    NORAD ID 21903
    Object Type ROCKET BODY
    Country
    CIS CIS

    Conjunction Constraints

    Parameter COSMOS 887 SL-8 R/B
    Time of Closest Approach 2026-10-28T17:10:15+0000
    Collision Probability (Pc) 1.776723E-6
    Conjunction Distance (km) 2.317 km
    Relative Speed (km/s) 11.839 km/s
    Conjunction Risk Parameters R (Radial): -1.15 | I (In-track): 1.199 | C (Cross-track): -1.614
    Collision Risk Index (CRI) 0.4
    X Position (km) 1365.132 1364.05
    Position Y (km) 652.459 654.171
    Position Z (km) -7182.561 -7181.436
    Velocity X (km/s) 3.331 -7.126
    Velocity Y (km/s) 6.465 1.463
    Velocity Z (km/s) 1.196 -1.211

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 887 SL-8 R/B
    Semimajor Axis (a) 7354.407 km 7360.655 km
    Eccentricity (e) 0.004401 0.004144
    Inclination (i) 82.9403° 82.9384°
    RAAN 62.1964° 170.1537°
    Perigee Argument 233.5478° 280.9111°
    Mean Anomaly (M) 244.8816° 89.3494°
    Apogee 1008.635 km 1013.024 km
    Perigee 943.905 km 952.012 km
    Orbit Epoch 2026-10-27T21:12:07+0000 2026-10-27T22:29:21+0000

    COSMOS 887 & SL-8 R/B Collision Probability (Pc) Trend

    COSMOS 887 & SL-8 R/B Collision Probability (Pc) TrendNot Available

    COSMOS 887 & SL-8 R/B Miss Distance (Miss Distance) Trend

    COSMOS 887 & SL-8 R/B Miss Distance (Miss Distance) TrendNot Available

    COSMOS 887Miss 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 887Collision Probability Trend

    Object 1 Probability TrendNot Available

    SL-8 R/BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 887

    No nearby objects data