Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.061817E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-10T17:27:20+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 35442
    NORAD ID 35442
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 65318
    NORAD ID 65318
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB CAPELLA-16 (ACADIA)
    Time of Closest Approach 2026-09-10T11:38:36+0000
    Collision Probability (Pc) 1.061817E-6
    Conjunction Distance (km) 2.637 km
    Relative Speed (km/s) 7.263 km/s
    Conjunction Risk Parameters R (Radial): 1.441 | I (In-track): 1.941 | C (Cross-track): -1.054
    Collision Risk Index (CRI) 0.36
    X Position (km) 1984.857 1985.426
    Position Y (km) -2280.534 -2281.8
    Position Z (km) 6266.077 6263.835
    Velocity X (km/s) 0.156 -6.022
    Velocity Y (km/s) 7.124 3.352
    Velocity Z (km/s) 2.541 3.126

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB CAPELLA-16 (ACADIA)
    Semimajor Axis (a) 6959.305 km 6961.829 km
    Eccentricity (e) 0.000768 0.000308
    Inclination (i) 74.0208° 97.7328°
    RAAN 276.9229° 326.6992°
    Perigee Argument 279.7792° 329.1821°
    Mean Anomaly (M) 80.2525° 30.9219°
    Apogee 586.511 km 585.834 km
    Perigee 575.825 km 581.550 km
    Orbit Epoch 2026-09-09T08:02:18+0000 2026-09-09T19:17:03+0000

    COSMOS 2251 DEB & CAPELLA-16 (ACADIA) Collision Probability (Pc) Trend

    COSMOS 2251 DEB & CAPELLA-16 (ACADIA) Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & CAPELLA-16 (ACADIA) Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & CAPELLA-16 (ACADIA) Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CAPELLA-16 (ACADIA)Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    CAPELLA-16 (ACADIA)Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data