Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.170624E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T12:39:57+0800
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    1 Object 1

    AOE ID 18214
    NORAD ID 18214
    Object Type PAYLOAD
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 53871
    NORAD ID 53871
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 1869 STARLINK-4740
    Time of Closest Approach 2026-09-04T22:23:01+0000
    Collision Probability (Pc) 1.170624E-5
    Conjunction Distance (km) 1.252 km
    Relative Speed (km/s) 13.595 km/s
    Conjunction Risk Parameters R (Radial): -0.554 | I (In-track): -0.511 | C (Cross-track): 0.999
    Collision Risk Index (CRI) 0.56
    X Position (km) 5615.975 5615.606
    Position Y (km) 1449.478 1448.283
    Position Z (km) -3636.717 -3636.72
    Velocity X (km/s) 3.575 -4.118
    Velocity Y (km/s) 2.133 4.513
    Velocity Z (km/s) 6.384 -4.569

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 1869 STARLINK-4740
    Semimajor Axis (a) 6828.141 km 6840.910 km
    Eccentricity (e) 0.001743 0.000132
    Inclination (i) 82.5114° 53.1615°
    RAAN 20.5255° 171.7849°
    Perigee Argument 139.4292° 98.5088°
    Mean Anomaly (M) 220.8256° 261.6064°
    Apogee 461.907 km 463.678 km
    Perigee 438.101 km 461.868 km
    Orbit Epoch 2026-09-03T15:18:33+0000 2026-09-03T18:50:48+0000

    COSMOS 1869 & STARLINK-4740 Collision Probability (Pc) Trend

    COSMOS 1869 & STARLINK-4740 Collision Probability (Pc) TrendNot Available

    COSMOS 1869 & STARLINK-4740 Miss Distance (Miss Distance) Trend

    COSMOS 1869 & STARLINK-4740 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 1869Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4740Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 1869Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4740Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 1869

    No nearby objects data