Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.104909E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-26T14:38:41+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 35711
    NORAD ID 35711
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    Name SPHEREX
    AOE ID 63182
    NORAD ID 63182
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB SPHEREX
    Time of Closest Approach 2026-10-26T23:31:19+0000
    Collision Probability (Pc) 1.104909E-4
    Conjunction Distance (km) 0.638 km
    Relative Speed (km/s) 14.613 km/s
    Conjunction Risk Parameters R (Radial): -0.276 | I (In-track): 0.138 | C (Cross-track): -0.557
    Collision Risk Index (CRI) 0.76
    X Position (km) 476.943 477.317
    Position Y (km) -2466.892 -2466.394
    Position Z (km) -6573.88 -6573.744
    Velocity X (km/s) 6.543 -4.091
    Velocity Y (km/s) -3.283 5.795
    Velocity Z (km/s) 1.768 -2.479

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB SPHEREX
    Semimajor Axis (a) 7056.874 km 7025.598 km
    Eccentricity (e) 0.008420 0.001127
    Inclination (i) 74.0460° 97.9584°
    RAAN 332.5203° 121.2472°
    Perigee Argument 351.6407° 129.3811°
    Mean Anomaly (M) 8.3352° 230.8397°
    Apogee 738.157 km 655.377 km
    Perigee 619.317 km 639.545 km
    Orbit Epoch 2026-10-25T08:31:05+0000 2026-10-25T18:41:55+0000

    COSMOS 2251 DEB & SPHEREX Collision Probability (Pc) Trend

    COSMOS 2251 DEB & SPHEREX Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & SPHEREX Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & SPHEREX Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SPHEREXMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    SPHEREXCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data