Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.515047E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-13T14:23:54+0800
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    1 Object 1

    Name OKEAN 4
    AOE ID 23317
    NORAD ID 23317
    Object Type PAYLOAD
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 55633
    NORAD ID 55633
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter OKEAN 4 STARLINK-5498
    Time of Closest Approach 2026-09-13T16:04:50+0000
    Collision Probability (Pc) 1.515047E-6
    Conjunction Distance (km) 2.352 km
    Relative Speed (km/s) 9.537 km/s
    Conjunction Risk Parameters R (Radial): -1.176 | I (In-track): -1.576 | C (Cross-track): 1.289
    Collision Risk Index (CRI) 0.39
    X Position (km) -2367.272 -2368.117
    Position Y (km) -466.225 -464.572
    Position Z (km) 6513.361 6511.917
    Velocity X (km/s) 7.007 0.228
    Velocity Y (km/s) -1.508 -7.556
    Velocity Z (km/s) 2.447 -0.455

    Orbital Parameters 国际轨道数据源

    Parameter OKEAN 4 STARLINK-5498
    Semimajor Axis (a) 6952.815 km 6950.205 km
    Eccentricity (e) 0.001587 0.000269
    Inclination (i) 82.5362° 69.9990°
    RAAN 171.3212° 92.3705°
    Perigee Argument 345.1709° 271.4893°
    Mean Anomaly (M) 14.9046° 88.5959°
    Apogee 585.716 km 573.935 km
    Perigee 563.640 km 570.201 km
    Orbit Epoch 2026-09-12T17:18:49+0000 2026-09-12T22:02:22+0000

    OKEAN 4 & STARLINK-5498 Collision Probability (Pc) Trend

    OKEAN 4 & STARLINK-5498 Collision Probability (Pc) TrendNot Available

    OKEAN 4 & STARLINK-5498 Miss Distance (Miss Distance) Trend

    OKEAN 4 & STARLINK-5498 Miss Distance (Miss Distance) TrendNot Available

    OKEAN 4Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5498Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OKEAN 4Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5498Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OKEAN 4

    No nearby objects data