Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.355765E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T22:49:18+0800
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    1 Object 1

    AOE ID 11573
    NORAD ID 11573
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 33433
    NORAD ID 33433
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter COSMOS 1140 SHIYAN 3 (SY-3)
    Time of Closest Approach 2026-10-29T03:05:57+0000
    Collision Probability (Pc) 1.355765E-6
    Conjunction Distance (km) 2.924 km
    Relative Speed (km/s) 14.311 km/s
    Conjunction Risk Parameters R (Radial): 2.904 | I (In-track): 0.103 | C (Cross-track): 0.324
    Collision Risk Index (CRI) 0.38
    X Position (km) 1107.891 1108.44
    Position Y (km) -1932.352 -1932.82
    Position Z (km) 6791.756 6794.589
    Velocity X (km/s) 7.37 -6.209
    Velocity Y (km/s) 0.367 3.62
    Velocity Z (km/s) -1.102 2.034

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 1140 SHIYAN 3 (SY-3)
    Semimajor Axis (a) 7144.417 km 7167.070 km
    Eccentricity (e) 0.001675 0.001474
    Inclination (i) 74.0671° 98.5977°
    RAAN 184.1472° 325.2201°
    Perigee Argument 254.7744° 105.7086°
    Mean Anomaly (M) 105.1558° 254.5723°
    Apogee 778.250 km 799.495 km
    Perigee 754.310 km 778.371 km
    Orbit Epoch 2026-10-27T02:12:30+0000 2026-10-27T00:24:24+0000

    COSMOS 1140 & SHIYAN 3 (SY-3) Collision Probability (Pc) Trend

    COSMOS 1140 & SHIYAN 3 (SY-3) Collision Probability (Pc) TrendNot Available

    COSMOS 1140 & SHIYAN 3 (SY-3) Miss Distance (Miss Distance) Trend

    COSMOS 1140 & SHIYAN 3 (SY-3) Miss Distance (Miss Distance) TrendNot Available

    COSMOS 1140Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SHIYAN 3 (SY-3)Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 1140Collision Probability Trend

    Object 1 Probability TrendNot Available

    SHIYAN 3 (SY-3)Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 1140

    No nearby objects data