Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.733763E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T20:55:02+0800
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    1 Object 1

    AOE ID 39485
    NORAD ID 39485
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 42586
    NORAD ID 42586
    Object Type DEBRIS
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2490 DELTA 1 DEB
    Time of Closest Approach 2026-11-01T18:41:16+0000
    Collision Probability (Pc) 1.733763E-5
    Conjunction Distance (km) 1.088 km
    Relative Speed (km/s) 11.888 km/s
    Conjunction Risk Parameters R (Radial): 0.754 | I (In-track): -0.431 | C (Cross-track): -0.654
    Collision Risk Index (CRI) 0.6
    X Position (km) 1193.516 1192.94
    Position Y (km) 1258.985 1258.769
    Position Z (km) -7692.497 -7693.395
    Velocity X (km/s) 0.764 6.103
    Velocity Y (km/s) 6.948 -3.636
    Velocity Z (km/s) 1.241 0.35

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2490 DELTA 1 DEB
    Semimajor Axis (a) 7872.547 km 7903.847 km
    Eccentricity (e) 0.002162 0.003118
    Inclination (i) 82.4799° 102.3673°
    RAAN 84.1750° 325.9646°
    Perigee Argument 176.5466° 275.7596°
    Mean Anomaly (M) 183.5767° 202.0813°
    Apogee 1511.432 km 1550.357 km
    Perigee 1477.388 km 1501.063 km
    Orbit Epoch 2026-10-29T21:34:04+0000 2026-10-28T22:30:54+0000

    COSMOS 2490 & DELTA 1 DEB Collision Probability (Pc) Trend

    COSMOS 2490 & DELTA 1 DEB Collision Probability (Pc) TrendNot Available

    COSMOS 2490 & DELTA 1 DEB Miss Distance (Miss Distance) Trend

    COSMOS 2490 & DELTA 1 DEB Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2490Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    DELTA 1 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2490Collision Probability Trend

    Object 1 Probability TrendNot Available

    DELTA 1 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2490

    No nearby objects data