Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.744612E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T14:58:16+0800
    View CDM
    Download CDM 1.0

    1 Object 1

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

    2 Object 2

    AOE ID 55571
    NORAD ID 55571
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SHIYAN 6 (SY-6) STARLINK-5739
    Time of Closest Approach 2026-09-04T11:51:31+0000
    Collision Probability (Pc) 3.744612E-6
    Conjunction Distance (km) 1.798 km
    Relative Speed (km/s) 14.342 km/s
    Conjunction Risk Parameters R (Radial): -0.677 | I (In-track): -0.57 | C (Cross-track): 1.565
    Collision Risk Index (CRI) 0.46
    X Position (km) -1051.065 -1052.418
    Position Y (km) -6775.976 -6775.052
    Position Z (km) -262.499 -263.239
    Velocity X (km/s) -1.009 5.543
    Velocity Y (km/s) -0.134 -0.663
    Velocity Z (km/s) 7.552 -5.195

    Orbital Parameters 国际轨道数据源

    Parameter SHIYAN 6 (SY-6) STARLINK-5739
    Semimajor Axis (a) 6853.064 km 6861.200 km
    Eccentricity (e) 0.001124 0.000181
    Inclination (i) 97.3605° 43.0047°
    RAAN 259.7331° 83.7996°
    Perigee Argument 225.3773° 272.1318°
    Mean Anomaly (M) 134.6552° 87.9326°
    Apogee 482.628 km 484.305 km
    Perigee 467.226 km 481.821 km
    Orbit Epoch 2026-09-03T07:37:13+0000 2026-09-03T14:39:36+0000

    SHIYAN 6 (SY-6) & STARLINK-5739 Collision Probability (Pc) Trend

    SHIYAN 6 (SY-6) & STARLINK-5739 Collision Probability (Pc) TrendNot Available

    SHIYAN 6 (SY-6) & STARLINK-5739 Miss Distance (Miss Distance) Trend

    SHIYAN 6 (SY-6) & STARLINK-5739 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-5739Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SHIYAN 6 (SY-6)Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5739Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SHIYAN 6 (SY-6)

    No nearby objects data