Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.478198E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T20:49:20+0800
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    1 Object 1

    Name OKEAN 3
    AOE ID 21397
    NORAD ID 21397
    Object Type PAYLOAD
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 66787
    NORAD ID 66787
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter OKEAN 3 LEMUR-2-MYRA
    Time of Closest Approach 2026-09-11T20:36:45+0000
    Collision Probability (Pc) 2.478198E-6
    Conjunction Distance (km) 2.128 km
    Relative Speed (km/s) 15.03 km/s
    Conjunction Risk Parameters R (Radial): -1.222 | I (In-track): -0.194 | C (Cross-track): 1.731
    Collision Risk Index (CRI) 0.43
    X Position (km) 477.494 478.276
    Position Y (km) 778.379 779.735
    Position Z (km) -6883.888 -6882.447
    Velocity X (km/s) -6.916 6.051
    Velocity Y (km/s) 3.051 -4.547
    Velocity Z (km/s) -0.128 -0.105

    Orbital Parameters 国际轨道数据源

    Parameter OKEAN 3 LEMUR-2-MYRA
    Semimajor Axis (a) 6927.625 km 6942.006 km
    Eccentricity (e) 0.001566 0.001595
    Inclination (i) 82.5188° 97.5311°
    RAAN 157.0174° 322.2785°
    Perigee Argument 59.5252° 216.8194°
    Mean Anomaly (M) 300.7519° 143.1936°
    Apogee 560.334 km 574.941 km
    Perigee 538.642 km 552.797 km
    Orbit Epoch 2026-09-11T03:28:19+0000 2026-09-11T03:25:02+0000

    OKEAN 3 & LEMUR-2-MYRA Collision Probability (Pc) Trend

    OKEAN 3 & LEMUR-2-MYRA Collision Probability (Pc) TrendNot Available

    OKEAN 3 & LEMUR-2-MYRA Miss Distance (Miss Distance) Trend

    OKEAN 3 & LEMUR-2-MYRA Miss Distance (Miss Distance) TrendNot Available

    OKEAN 3Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LEMUR-2-MYRAMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OKEAN 3Collision Probability Trend

    Object 1 Probability TrendNot Available

    LEMUR-2-MYRACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OKEAN 3

    No nearby objects data