Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.174383E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T13:14:18+0800
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    1 Object 1

    AOE ID 34271
    NORAD ID 34271
    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 2026-10-22T07:49:29+0000
    Collision Probability (Pc) 5.174383E-6
    Conjunction Distance (km) 1.631 km
    Relative Speed (km/s) 14.988 km/s
    Conjunction Risk Parameters R (Radial): -1.05 | I (In-track): 0.114 | C (Cross-track): 1.242
    Collision Risk Index (CRI) 0.49
    X Position (km) -1743.781 -1744.551
    Position Y (km) 4758.45 4757.089
    Position Z (km) 4862.821 4862.359
    Velocity X (km/s) -4.355 3.124
    Velocity Y (km/s) 3.536 -4.32
    Velocity Z (km/s) -5.019 5.323

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB SPHEREX
    Semimajor Axis (a) 7015.110 km 7025.632 km
    Eccentricity (e) 0.002014 0.001089
    Inclination (i) 74.0184° 97.9585°
    RAAN 311.9816° 114.8473°
    Perigee Argument 294.0067° 148.7073°
    Mean Anomaly (M) 78.7774° 211.4786°
    Apogee 651.101 km 655.150 km
    Perigee 622.845 km 639.840 km
    Orbit Epoch 2026-10-19T07:46:51+0000 2026-10-19T06:19:22+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