Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    2.590598E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T23:29:20+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 34854
    NORAD ID 34854
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 64583
    NORAD ID 64583
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB CAPELLA-17 (ACADIA)
    Time of Closest Approach 2026-10-22T13:03:36+0000
    Collision Probability (Pc) 2.590598E-4
    Conjunction Distance (km) 0.445 km
    Relative Speed (km/s) 14.432 km/s
    Conjunction Risk Parameters R (Radial): -0.444 | I (In-track): 0.015 | C (Cross-track): -0.009
    Collision Risk Index (CRI) 0.83
    X Position (km) -2033.351 -2033.214
    Position Y (km) -877.229 -877.189
    Position Z (km) -6612.691 -6612.27
    Velocity X (km/s) -0.681 4.672
    Velocity Y (km/s) -7.446 5.523
    Velocity Z (km/s) 1.209 -2.168

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB CAPELLA-17 (ACADIA)
    Semimajor Axis (a) 7010.969 km 6968.010 km
    Eccentricity (e) 0.006450 0.000394
    Inclination (i) 74.0278° 97.7772°
    RAAN 267.8146° 45.1912°
    Perigee Argument 298.2967° 302.9930°
    Mean Anomaly (M) 61.1710° 57.0910°
    Apogee 678.055 km 592.619 km
    Perigee 587.609 km 587.127 km
    Orbit Epoch 2026-10-19T15:36:34+0000 2026-10-20T06:50:05+0000

    COSMOS 2251 DEB & CAPELLA-17 (ACADIA) Collision Probability (Pc) Trend

    COSMOS 2251 DEB & CAPELLA-17 (ACADIA) Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & CAPELLA-17 (ACADIA) Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & CAPELLA-17 (ACADIA) Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CAPELLA-17 (ACADIA)Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    CAPELLA-17 (ACADIA)Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data