Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    7.330803E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-06T00:28:36+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 48865
    NORAD ID 48865
    Object Type PAYLOAD
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 66361
    NORAD ID 66361
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2550 STARLINK-35813
    Time of Closest Approach 2026-09-05T18:15:02+0000
    Collision Probability (Pc) 7.330803E-6
    Conjunction Distance (km) 1.357 km
    Relative Speed (km/s) 10.333 km/s
    Conjunction Risk Parameters R (Radial): -0.373 | I (In-track): 0.965 | C (Cross-track): -0.877
    Collision Risk Index (CRI) 0.52
    X Position (km) -2178.46 -2177.115
    Position Y (km) -4183.133 -4183.296
    Position Z (km) 4957.049 4956.987
    Velocity X (km/s) 5.925 4.633
    Velocity Y (km/s) 2.066 -5.488
    Velocity Z (km/s) 4.342 -2.589

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2550 STARLINK-35813
    Semimajor Axis (a) 6842.527 km 6848.866 km
    Eccentricity (e) 0.000837 0.000128
    Inclination (i) 67.1417° 53.1582°
    RAAN 217.5793° 116.4338°
    Perigee Argument 268.7238° 83.0726°
    Mean Anomaly (M) 91.2957° 277.0421°
    Apogee 470.120 km 471.606 km
    Perigee 458.660 km 469.852 km
    Orbit Epoch 2026-09-05T07:04:14+0000 2026-09-05T08:21:17+0000

    COSMOS 2550 & STARLINK-35813 Collision Probability (Pc) Trend

    COSMOS 2550 & STARLINK-35813 Collision Probability (Pc) TrendNot Available

    COSMOS 2550 & STARLINK-35813 Miss Distance (Miss Distance) Trend

    COSMOS 2550 & STARLINK-35813 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2550Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35813Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2550Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35813Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2550

    No nearby objects data