Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.582387E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T23:03:51+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 68482
    NORAD ID 68482
    Object Type PAYLOAD
    Country
    DE DE

    Conjunction Constraints

    Parameter COSMOS 2221 LEMUR-2 SEJONG-3
    Time of Closest Approach 2026-09-14T21:04:27+0000
    Collision Probability (Pc) 2.582387E-6
    Conjunction Distance (km) 2.015 km
    Relative Speed (km/s) 12.957 km/s
    Conjunction Risk Parameters R (Radial): -2.005 | I (In-track): 0.097 | C (Cross-track): -0.16
    Collision Risk Index (CRI) 0.43
    X Position (km) -976.953 -977.404
    Position Y (km) 460.17 460.377
    Position Z (km) 6871.991 6873.943
    Velocity X (km/s) 0.942 6.131
    Velocity Y (km/s) -7.476 4.396
    Velocity Z (km/s) 0.636 0.578

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2221 LEMUR-2 SEJONG-3
    Semimajor Axis (a) 6955.123 km 6965.496 km
    Eccentricity (e) 0.001277 0.000297
    Inclination (i) 82.5006° 97.7662°
    RAAN 100.5271° 212.3126°
    Perigee Argument 288.1892° 356.4165°
    Mean Anomaly (M) 71.7940° 3.7033°
    Apogee 585.872 km 589.428 km
    Perigee 568.100 km 585.290 km
    Orbit Epoch 2026-09-12T01:18:24+0000 2026-09-12T02:45:44+0000

    COSMOS 2221 & LEMUR-2 SEJONG-3 Collision Probability (Pc) Trend

    COSMOS 2221 & LEMUR-2 SEJONG-3 Collision Probability (Pc) TrendNot Available

    COSMOS 2221 & LEMUR-2 SEJONG-3 Miss Distance (Miss Distance) Trend

    COSMOS 2221 & LEMUR-2 SEJONG-3 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2221Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LEMUR-2 SEJONG-3Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2221Collision Probability Trend

    Object 1 Probability TrendNot Available

    LEMUR-2 SEJONG-3Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2221

    No nearby objects data