Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.775393E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T04:49:07+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 37875
    NORAD ID 37875
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 59564
    NORAD ID 59564
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN 12 STARLINK-31747
    Time of Closest Approach 2026-09-03T13:42:47+0000
    Collision Probability (Pc) 1.775393E-6
    Conjunction Distance (km) 2.441 km
    Relative Speed (km/s) 14.014 km/s
    Conjunction Risk Parameters R (Radial): 0.525 | I (In-track): -0.933 | C (Cross-track): 2.194
    Collision Risk Index (CRI) 0.4
    X Position (km) 1590.749 1588.759
    Position Y (km) -5977.587 -5978.057
    Position Z (km) -2972.206 -2973.538
    Velocity X (km/s) -0.17 5.481
    Velocity Y (km/s) -3.427 3.452
    Velocity Z (km/s) 6.806 -4.016

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 12 STARLINK-31747
    Semimajor Axis (a) 6862.117 km 6861.190 km
    Eccentricity (e) 0.000825 0.000123
    Inclination (i) 97.1085° 43.0016°
    RAAN 280.4699° 83.2900°
    Perigee Argument 314.4053° 269.7096°
    Mean Anomaly (M) 45.6511° 90.3614°
    Apogee 489.640 km 483.901 km
    Perigee 478.320 km 482.205 km
    Orbit Epoch 2026-09-02T12:40:01+0000 2026-09-01T21:31:31+0000

    YAOGAN 12 & STARLINK-31747 Collision Probability (Pc) Trend

    YAOGAN 12 & STARLINK-31747 Collision Probability (Pc) TrendNot Available

    YAOGAN 12 & STARLINK-31747 Miss Distance (Miss Distance) Trend

    YAOGAN 12 & STARLINK-31747 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 12Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31747Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 12Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31747Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 12

    No nearby objects data