Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    6.477301E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-01T03:23:41+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 29506
    NORAD ID 29506
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 55770
    NORAD ID 55770
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SHIJIAN 6 02B (SJ-6 02B) STARLINK-5557
    Time of Closest Approach 2026-11-02T01:25:08+0000
    Collision Probability (Pc) 6.477301E-7
    Conjunction Distance (km) 2.993 km
    Relative Speed (km/s) 3.928 km/s
    Conjunction Risk Parameters R (Radial): 1.039 | I (In-track): 2.711 | C (Cross-track): 0.727
    Collision Risk Index (CRI) 0.31
    X Position (km) -5921.084 -5923.081
    Position Y (km) 2475.913 2476.394
    Position Z (km) 2664.718 2662.542
    Velocity X (km/s) -2.235 -3.574
    Velocity Y (km/s) 2.124 -1.544
    Velocity Z (km/s) -6.914 -6.498

    Orbital Parameters 国际轨道数据源

    Parameter SHIJIAN 6 02B (SJ-6 02B) STARLINK-5557
    Semimajor Axis (a) 6940.106 km 6950.189 km
    Eccentricity (e) 0.001341 0.000351
    Inclination (i) 97.6990° 69.9998°
    RAAN 332.2747° 350.7824°
    Perigee Argument 340.6016° 269.5592°
    Mean Anomaly (M) 19.4696° 90.5165°
    Apogee 571.274 km 574.491 km
    Perigee 552.664 km 569.613 km
    Orbit Epoch 2026-10-31T05:32:26+0000 2026-10-31T03:51:47+0000

    SHIJIAN 6 02B (SJ-6 02B) & STARLINK-5557 Collision Probability (Pc) Trend

    SHIJIAN 6 02B (SJ-6 02B) & STARLINK-5557 Collision Probability (Pc) TrendNot Available

    SHIJIAN 6 02B (SJ-6 02B) & STARLINK-5557 Miss Distance (Miss Distance) Trend

    SHIJIAN 6 02B (SJ-6 02B) & STARLINK-5557 Miss Distance (Miss Distance) TrendNot Available

    SHIJIAN 6 02B (SJ-6 02B)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5557Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SHIJIAN 6 02B (SJ-6 02B)Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5557Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SHIJIAN 6 02B (SJ-6 02B)

    No nearby objects data