Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.967563E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T01:24:23+0800
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    1 Object 1

    AOE ID 52713
    NORAD ID 52713
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 55569
    NORAD ID 55569
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2556 STARLINK-5749
    Time of Closest Approach 2026-10-29T11:48:17+0000
    Collision Probability (Pc) 2.967563E-6
    Conjunction Distance (km) 1.919 km
    Relative Speed (km/s) 13.21 km/s
    Conjunction Risk Parameters R (Radial): -1.431 | I (In-track): 0.645 | C (Cross-track): -1.102
    Collision Risk Index (CRI) 0.44
    X Position (km) -1922.818 -1921.32
    Position Y (km) -4993.299 -4992.128
    Position Z (km) 4292.802 4292.548
    Velocity X (km/s) 0.479 6.082
    Velocity Y (km/s) 4.862 -4.113
    Velocity Z (km/s) 5.853 -2.056

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2556 STARLINK-5749
    Semimajor Axis (a) 6864.009 km 6861.085 km
    Eccentricity (e) 0.000191 0.000527
    Inclination (i) 97.6456° 42.9831°
    RAAN 252.8380° 141.1352°
    Perigee Argument 67.3608° 278.8812°
    Mean Anomaly (M) 292.7832° 81.1443°
    Apogee 487.182 km 486.564 km
    Perigee 484.562 km 479.332 km
    Orbit Epoch 2026-10-27T06:08:57+0000 2026-10-27T05:57:27+0000

    COSMOS 2556 & STARLINK-5749 Collision Probability (Pc) Trend

    COSMOS 2556 & STARLINK-5749 Collision Probability (Pc) TrendNot Available

    COSMOS 2556 & STARLINK-5749 Miss Distance (Miss Distance) Trend

    COSMOS 2556 & STARLINK-5749 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2556Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5749Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2556Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5749Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2556

    No nearby objects data