Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.20387E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T14:58:32+0800
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    1 Object 1

    AOE ID 43711
    NORAD ID 43711
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 57532
    NORAD ID 57532
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SHIYAN 6 (SY-6) STARLINK-30251
    Time of Closest Approach 2026-09-06T03:00:50+0000
    Collision Probability (Pc) 1.20387E-5
    Conjunction Distance (km) 1.252 km
    Relative Speed (km/s) 14.17 km/s
    Conjunction Risk Parameters R (Radial): 0.561 | I (In-track): 0.424 | C (Cross-track): -1.035
    Collision Risk Index (CRI) 0.57
    X Position (km) -540.007 -539.102
    Position Y (km) -6429.937 -6430.734
    Position Z (km) -2336.775 -2336.439
    Velocity X (km/s) -1.249 6.043
    Velocity Y (km/s) -2.475 1.128
    Velocity Z (km/s) 7.096 -4.506

    Orbital Parameters 国际轨道数据源

    Parameter SHIYAN 6 (SY-6) STARLINK-30251
    Semimajor Axis (a) 6853.064 km 6861.196 km
    Eccentricity (e) 0.001124 0.000153
    Inclination (i) 97.3605° 43.0020°
    RAAN 259.7331° 75.1223°
    Perigee Argument 225.3773° 288.0914°
    Mean Anomaly (M) 134.6552° 71.9771°
    Apogee 482.628 km 484.112 km
    Perigee 467.226 km 482.006 km
    Orbit Epoch 2026-09-03T07:37:13+0000 2026-09-03T20:44:38+0000

    SHIYAN 6 (SY-6) & STARLINK-30251 Collision Probability (Pc) Trend

    SHIYAN 6 (SY-6) & STARLINK-30251 Collision Probability (Pc) TrendNot Available

    SHIYAN 6 (SY-6) & STARLINK-30251 Miss Distance (Miss Distance) Trend

    SHIYAN 6 (SY-6) & STARLINK-30251 Miss Distance (Miss Distance) TrendNot Available

    SHIYAN 6 (SY-6)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30251Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SHIYAN 6 (SY-6)Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30251Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SHIYAN 6 (SY-6)

    No nearby objects data