Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.946104E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T18:37:26+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 67025
    NORAD ID 67025
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2221 STARLINK-36178
    Time of Closest Approach 2026-09-12T12:01:29+0000
    Collision Probability (Pc) 1.946104E-6
    Conjunction Distance (km) 2.255 km
    Relative Speed (km/s) 12.541 km/s
    Conjunction Risk Parameters R (Radial): -1.07 | I (In-track): -1.115 | C (Cross-track): -1.64
    Collision Risk Index (CRI) 0.41
    X Position (km) 1327.971 1326.281
    Position Y (km) -2766.501 -2767.365
    Position Z (km) -6242.205 -6240.988
    Velocity X (km/s) -0.789 7.141
    Velocity Y (km/s) 6.817 -1.331
    Velocity Z (km/s) -3.183 2.107

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2221 STARLINK-36178
    Semimajor Axis (a) 6955.124 km 6950.184 km
    Eccentricity (e) 0.001278 0.000320
    Inclination (i) 82.5006° 70.0029°
    RAAN 100.5912° 345.5419°
    Perigee Argument 288.4360° 270.3770°
    Mean Anomaly (M) 71.5473° 89.7023°
    Apogee 585.874 km 574.270 km
    Perigee 568.100 km 569.824 km
    Orbit Epoch 2026-09-11T23:42:07+0000 2026-09-11T15:31:12+0000

    COSMOS 2221 & STARLINK-36178 Collision Probability (Pc) Trend

    COSMOS 2221 & STARLINK-36178 Collision Probability (Pc) TrendNot Available

    COSMOS 2221 & STARLINK-36178 Miss Distance (Miss Distance) Trend

    COSMOS 2221 & STARLINK-36178 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2221Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36178Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2221Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36178Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2221

    No nearby objects data