Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.403242E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T21:10:05+0800
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    1 Object 1

    AOE ID 14699
    NORAD ID 14699
    Object Type PAYLOAD
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 55343
    NORAD ID 55343
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 1536 STARLINK-5661
    Time of Closest Approach 2026-09-12T00:04:00+0000
    Collision Probability (Pc) 5.403242E-6
    Conjunction Distance (km) 1.384 km
    Relative Speed (km/s) 7.285 km/s
    Conjunction Risk Parameters R (Radial): -1.356 | I (In-track): -0.236 | C (Cross-track): 0.131
    Collision Risk Index (CRI) 0.5
    X Position (km) 633.628 633.322
    Position Y (km) -5439.708 -5438.525
    Position Z (km) -4139.443 -4138.794
    Velocity X (km/s) 1.755 7.151
    Velocity Y (km/s) -4.353 -1.013
    Velocity Z (km/s) 6.003 2.427

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 1536 STARLINK-5661
    Semimajor Axis (a) 6866.268 km 6861.211 km
    Eccentricity (e) 0.001336 0.000119
    Inclination (i) 82.5412° 43.0054°
    RAAN 283.0399° 334.8380°
    Perigee Argument 357.0941° 275.2100°
    Mean Anomaly (M) 3.0217° 84.8615°
    Apogee 497.306 km 483.894 km
    Perigee 478.956 km 482.254 km
    Orbit Epoch 2026-09-11T06:55:04+0000 2026-09-11T07:04:34+0000

    COSMOS 1536 & STARLINK-5661 Collision Probability (Pc) Trend

    COSMOS 1536 & STARLINK-5661 Collision Probability (Pc) TrendNot Available

    COSMOS 1536 & STARLINK-5661 Miss Distance (Miss Distance) Trend

    COSMOS 1536 & STARLINK-5661 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 1536Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5661Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 1536Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5661Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 1536

    No nearby objects data