Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.323466E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T15:36:40+0800
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    1 Object 1

    AOE ID 34784
    NORAD ID 34784
    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 2026-10-19T19:35:01+0000
    Collision Probability (Pc) 1.323466E-6
    Conjunction Distance (km) 3 km
    Relative Speed (km/s) 14.491 km/s
    Conjunction Risk Parameters R (Radial): 1.574 | I (In-track): 0.669 | C (Cross-track): -2.464
    Collision Risk Index (CRI) 0.37
    X Position (km) -1867.064 -1869.903
    Position Y (km) 1448.099 1447.84
    Position Z (km) 6657.778 6658.708
    Velocity X (km/s) -0.619 -3.109
    Velocity Y (km/s) -7.351 6.448
    Velocity Z (km/s) 1.384 -2.27

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB SENTINEL 1C
    Semimajor Axis (a) 7064.998 km 7073.900 km
    Eccentricity (e) 0.004969 0.000132
    Inclination (i) 74.0031° 98.1820°
    RAAN 90.9215° 297.5212°
    Perigee Argument 183.1351° 89.9766°
    Mean Anomaly (M) 176.9512° 270.1585°
    Apogee 721.966 km 696.696 km
    Perigee 651.756 km 694.830 km
    Orbit Epoch 2026-10-18T10:22:36+0000 2026-10-18T23:20:35+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