Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.95051E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T22:52:12+0800
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    1 Object 1

    AOE ID 22236
    NORAD ID 22236
    Object Type PAYLOAD
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 66839
    NORAD ID 66839
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2221 STARLINK-35717
    Time of Closest Approach 2026-09-14T20:24:36+0000
    Collision Probability (Pc) 1.95051E-6
    Conjunction Distance (km) 2.263 km
    Relative Speed (km/s) 12.734 km/s
    Conjunction Risk Parameters R (Radial): -0.38 | I (In-track): -1.206 | C (Cross-track): -1.875
    Collision Risk Index (CRI) 0.41
    X Position (km) 390.672 388.632
    Position Y (km) 3140.207 3141.184
    Position Z (km) -6192.118 -6192.177
    Velocity X (km/s) -1.358 -6.189
    Velocity Y (km/s) 6.674 -3.709
    Velocity Z (km/s) 3.297 -2.27

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2221 STARLINK-35717
    Semimajor Axis (a) 6955.123 km 6950.176 km
    Eccentricity (e) 0.001277 0.000363
    Inclination (i) 82.5006° 69.9996°
    RAAN 100.5271° 224.1825°
    Perigee Argument 288.1892° 265.6221°
    Mean Anomaly (M) 71.7940° 94.4523°
    Apogee 585.872 km 574.564 km
    Perigee 568.100 km 569.514 km
    Orbit Epoch 2026-09-12T01:18:24+0000 2026-09-12T04:48:19+0000

    COSMOS 2221 & STARLINK-35717 Collision Probability (Pc) Trend

    COSMOS 2221 & STARLINK-35717 Collision Probability (Pc) TrendNot Available

    COSMOS 2221 & STARLINK-35717 Miss Distance (Miss Distance) Trend

    COSMOS 2221 & STARLINK-35717 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2221Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35717Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2221Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35717Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2221

    No nearby objects data