Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.918882E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T23:18:01+0800
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    1 Object 1

    AOE ID 907
    NORAD ID 907
    Object Type ROCKET BODY
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 10599
    NORAD ID 10599
    Object Type PAYLOAD
    Country
    CIS CIS

    Conjunction Constraints

    Parameter SCOUT X-4 R/B COSMOS 985
    Time of Closest Approach 2026-10-21T18:57:38+0000
    Collision Probability (Pc) 1.918882E-6
    Conjunction Distance (km) 2.183 km
    Relative Speed (km/s) 10.904 km/s
    Conjunction Risk Parameters R (Radial): -1.671 | I (In-track): -0.922 | C (Cross-track): 1.057
    Collision Risk Index (CRI) 0.41
    X Position (km) 223.65 224.932
    Position Y (km) 1661.2 1660.39
    Position Z (km) 7158.125 7156.556
    Velocity X (km/s) -6.308 -3.127
    Velocity Y (km/s) -3.604 6.504
    Velocity Z (km/s) 1.12 -1.447

    Orbital Parameters 国际轨道数据源

    Parameter SCOUT X-4 R/B COSMOS 985
    Semimajor Axis (a) 7338.613 km 7352.899 km
    Eccentricity (e) 0.011992 0.005240
    Inclination (i) 79.6945° 82.9373°
    RAAN 31.9180° 294.6504°
    Perigee Argument 338.9913° 199.4732°
    Mean Anomaly (M) 20.6331° 160.4425°
    Apogee 1048.482 km 1013.292 km
    Perigee 872.470 km 936.232 km
    Orbit Epoch 2026-10-21T06:23:55+0000 2026-10-21T06:15:35+0000

    SCOUT X-4 R/B & COSMOS 985 Collision Probability (Pc) Trend

    SCOUT X-4 R/B & COSMOS 985 Collision Probability (Pc) TrendNot Available

    SCOUT X-4 R/B & COSMOS 985 Miss Distance (Miss Distance) Trend

    SCOUT X-4 R/B & COSMOS 985 Miss Distance (Miss Distance) TrendNot Available

    SCOUT X-4 R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 985Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SCOUT X-4 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 985Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SCOUT X-4 R/B

    No nearby objects data