Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.158364E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-23T11:56:13+0800
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    1 Object 1

    AOE ID 34949
    NORAD ID 34949
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 62261
    NORAD ID 62261
    Object Type PAYLOAD
    Country
    ESA ESA

    Conjunction Constraints

    Parameter COSMOS 2251 DEB SENTINEL 1C
    Time of Closest Approach 2026-10-25T05:26:34+0000
    Collision Probability (Pc) 1.158364E-6
    Conjunction Distance (km) 2.95 km
    Relative Speed (km/s) 11.069 km/s
    Conjunction Risk Parameters R (Radial): -2.911 | I (In-track): -0.308 | C (Cross-track): -0.354
    Collision Risk Index (CRI) 0.36
    X Position (km) 237.256 237.063
    Position Y (km) -2104.799 -2104.372
    Position Z (km) 6744.095 6741.183
    Velocity X (km/s) 6.519 -4.251
    Velocity Y (km/s) 3.555 5.866
    Velocity Z (km/s) 0.891 1.977

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB SENTINEL 1C
    Semimajor Axis (a) 7021.991 km 7073.868 km
    Eccentricity (e) 0.007891 0.000128
    Inclination (i) 74.0180° 98.1818°
    RAAN 215.9137° 301.3734°
    Perigee Argument 280.5488° 90.5242°
    Mean Anomaly (M) 78.6804° 269.6104°
    Apogee 699.262 km 696.637 km
    Perigee 588.446 km 694.825 km
    Orbit Epoch 2026-10-22T11:58:18+0000 2026-10-22T21:08:55+0000

    COSMOS 2251 DEB & SENTINEL 1C Collision Probability (Pc) Trend

    COSMOS 2251 DEB & SENTINEL 1C Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & SENTINEL 1C Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & SENTINEL 1C Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SENTINEL 1CMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    SENTINEL 1CCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data