Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.912031E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T00:46:51+0800
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    1 Object 1

    AOE ID 33765
    NORAD ID 33765
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 56484
    NORAD ID 56484
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB STARLINK-6221
    Time of Closest Approach 2026-10-28T17:59:38+0000
    Collision Probability (Pc) 3.912031E-6
    Conjunction Distance (km) 1.371 km
    Relative Speed (km/s) 4.269 km/s
    Conjunction Risk Parameters R (Radial): 1.206 | I (In-track): -0.622 | C (Cross-track): -0.191
    Collision Risk Index (CRI) 0.47
    X Position (km) 2291.104 2291.173
    Position Y (km) -520.826 -521.471
    Position Z (km) 6433.131 6434.337
    Velocity X (km/s) 5.499 2.17
    Velocity Y (km/s) 5.032 7.308
    Velocity Z (km/s) -1.579 -0.18

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB STARLINK-6221
    Semimajor Axis (a) 6841.834 km 6855.256 km
    Eccentricity (e) 0.004426 0.000351
    Inclination (i) 73.9987° 70.0009°
    RAAN 222.2401° 256.9383°
    Perigee Argument 224.6645° 272.2576°
    Mean Anomaly (M) 135.0992° 203.3401°
    Apogee 493.979 km 479.524 km
    Perigee 433.415 km 474.714 km
    Orbit Epoch 2026-10-27T05:32:58+0000 2026-10-27T06:00:04+0000

    COSMOS 2251 DEB & STARLINK-6221 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & STARLINK-6221 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & STARLINK-6221 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & STARLINK-6221 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-6221Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-6221Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data