Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.974967E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T12:33:23+0800
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    1 Object 1

    AOE ID 45128
    NORAD ID 45128
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 50466
    NORAD ID 50466
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter COSMOS 2491 DEB * XW-3 (CAS 9)
    Time of Closest Approach 2026-10-30T17:04:06+0000
    Collision Probability (Pc) 1.974967E-6
    Conjunction Distance (km) 2.358 km
    Relative Speed (km/s) 14.953 km/s
    Conjunction Risk Parameters R (Radial): 2.334 | I (In-track): 0.003 | C (Cross-track): 0.338
    Collision Risk Index (CRI) 0.41
    X Position (km) 1107.012 1107.166
    Position Y (km) -500.767 -500.671
    Position Z (km) 7014.313 7016.663
    Velocity X (km/s) 5.733 -6.023
    Velocity Y (km/s) 4.769 -4.391
    Velocity Z (km/s) -0.577 0.638

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2491 DEB * XW-3 (CAS 9)
    Semimajor Axis (a) 7123.667 km 7131.825 km
    Eccentricity (e) 0.001798 0.000511
    Inclination (i) 81.2008° 98.4976°
    RAAN 220.8057° 34.5830°
    Perigee Argument 201.0278° 62.6121°
    Mean Anomaly (M) 159.0174° 297.5587°
    Apogee 758.342 km 757.333 km
    Perigee 732.718 km 750.043 km
    Orbit Epoch 2026-10-29T00:43:05+0000 2026-10-29T22:21:01+0000

    COSMOS 2491 DEB * & XW-3 (CAS 9) Collision Probability (Pc) Trend

    COSMOS 2491 DEB * & XW-3 (CAS 9) Collision Probability (Pc) TrendNot Available

    COSMOS 2491 DEB * & XW-3 (CAS 9) Miss Distance (Miss Distance) Trend

    COSMOS 2491 DEB * & XW-3 (CAS 9) Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2491 DEB *Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    XW-3 (CAS 9)Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2491 DEB *Collision Probability Trend

    Object 1 Probability TrendNot Available

    XW-3 (CAS 9)Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2491 DEB *

    No nearby objects data