Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.769899E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T12:53:14+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 959
    NORAD ID 959
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 21666
    NORAD ID 21666
    Object Type PAYLOAD
    Country
    CIS CIS

    Conjunction Constraints

    Parameter OPS 6582 (TRANSIT 5E-5) COSMOS 2154
    Time of Closest Approach 2026-09-11T09:48:00+0000
    Collision Probability (Pc) 1.769899E-6
    Conjunction Distance (km) 2.439 km
    Relative Speed (km/s) 13.895 km/s
    Conjunction Risk Parameters R (Radial): -1.284 | I (In-track): -0.685 | C (Cross-track): 1.957
    Collision Risk Index (CRI) 0.4
    X Position (km) -1446.731 -1447.398
    Position Y (km) -186.961 -185.075
    Position Z (km) 7222.969 7221.574
    Velocity X (km/s) 7.158 -5.005
    Velocity Y (km/s) 0.935 -5.262
    Velocity Z (km/s) 1.471 -1.121

    Orbital Parameters 国际轨道数据源

    Parameter OPS 6582 (TRANSIT 5E-5) COSMOS 2154
    Semimajor Axis (a) 7404.693 km 7365.012 km
    Eccentricity (e) 0.004405 0.002448
    Inclination (i) 90.0150° 82.9055°
    RAAN 187.4368° 45.9888°
    Perigee Argument 51.9519° 338.3179°
    Mean Anomaly (M) 11.3503° 92.3780°
    Apogee 1059.175 km 1004.905 km
    Perigee 993.937 km 968.845 km
    Orbit Epoch 2026-09-10T17:51:49+0000 2026-09-10T12:41:04+0000

    OPS 6582 (TRANSIT 5E-5) & COSMOS 2154 Collision Probability (Pc) Trend

    OPS 6582 (TRANSIT 5E-5) & COSMOS 2154 Collision Probability (Pc) TrendNot Available

    OPS 6582 (TRANSIT 5E-5) & COSMOS 2154 Miss Distance (Miss Distance) Trend

    OPS 6582 (TRANSIT 5E-5) & COSMOS 2154 Miss Distance (Miss Distance) TrendNot Available

    OPS 6582 (TRANSIT 5E-5)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 2154Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OPS 6582 (TRANSIT 5E-5)Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2154Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OPS 6582 (TRANSIT 5E-5)

    No nearby objects data