Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.403497E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T13:48:39+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 54783
    NORAD ID 54783
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SHIYAN 6 (SY-6) STARLINK-5439
    Time of Closest Approach 2026-10-20T08:25:31+0000
    Collision Probability (Pc) 1.403497E-6
    Conjunction Distance (km) 2.804 km
    Relative Speed (km/s) 13.797 km/s
    Conjunction Risk Parameters R (Radial): 2.04 | I (In-track): 0.816 | C (Cross-track): -1.742
    Collision Risk Index (CRI) 0.38
    X Position (km) -3262.316 -3259.653
    Position Y (km) 3341.232 3340.718
    Position Z (km) 5003.096 5002.385
    Velocity X (km/s) -2.813 -2.944
    Velocity Y (km/s) 4.933 -6.594
    Velocity Z (km/s) -5.102 2.478

    Orbital Parameters 国际轨道数据源

    Parameter SHIYAN 6 (SY-6) STARLINK-5439
    Semimajor Axis (a) 6852.015 km 6848.869 km
    Eccentricity (e) 0.001426 0.000148
    Inclination (i) 97.3588° 53.1600°
    RAAN 304.9716° 89.6985°
    Perigee Argument 72.1410° 96.0161°
    Mean Anomaly (M) 288.1385° 264.1010°
    Apogee 483.647 km 471.749 km
    Perigee 464.109 km 469.715 km
    Orbit Epoch 2026-10-18T22:54:06+0000 2026-10-18T10:43:28+0000

    SHIYAN 6 (SY-6) & STARLINK-5439 Collision Probability (Pc) Trend

    SHIYAN 6 (SY-6) & STARLINK-5439 Collision Probability (Pc) TrendNot Available

    SHIYAN 6 (SY-6) & STARLINK-5439 Miss Distance (Miss Distance) Trend

    SHIYAN 6 (SY-6) & STARLINK-5439 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-5439Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SHIYAN 6 (SY-6)Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5439Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SHIYAN 6 (SY-6)

    No nearby objects data