Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.500367E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-08-31T07:27:29+0800
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    1 Object 1

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

    2 Object 2

    AOE ID 69167
    NORAD ID 69167
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2550 STARLINK-37474
    Time of Closest Approach 2026-08-31T01:20:41+0000
    Collision Probability (Pc) 9.500367E-7
    Conjunction Distance (km) 2.979 km
    Relative Speed (km/s) 7.942 km/s
    Conjunction Risk Parameters R (Radial): -2.639 | I (In-track): -1.175 | C (Cross-track): 0.724
    Collision Risk Index (CRI) 0.35
    X Position (km) 269.443 268.226
    Position Y (km) 4189.791 4191.127
    Position Z (km) -5404.357 -5406.725
    Velocity X (km/s) -5.121 -7.36
    Velocity Y (km/s) -4.343 1.732
    Velocity Z (km/s) -3.62 0.979

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2550 STARLINK-37474
    Semimajor Axis (a) 6842.481 km 6840.743 km
    Eccentricity (e) 0.000834 0.000123
    Inclination (i) 67.1409° 53.1577°
    RAAN 238.8835° 163.8662°
    Perigee Argument 268.7834° 69.7283°
    Mean Anomaly (M) 91.2365° 290.3852°
    Apogee 470.051 km 463.450 km
    Perigee 458.637 km 461.762 km
    Orbit Epoch 2026-08-29T06:03:08+0000 2026-08-30T11:37:38+0000

    COSMOS 2550 & STARLINK-37474 Collision Probability (Pc) Trend

    COSMOS 2550 & STARLINK-37474 Collision Probability (Pc) TrendNot Available

    COSMOS 2550 & STARLINK-37474 Miss Distance (Miss Distance) Trend

    COSMOS 2550 & STARLINK-37474 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2550Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37474Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2550Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37474Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2550

    No nearby objects data