Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.596156E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-15T23:17:35+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 40143
    NORAD ID 40143
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 62051
    NORAD ID 62051
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN 21 STARLINK-32496
    Time of Closest Approach 2026-09-15T19:57:39+0000
    Collision Probability (Pc) 9.596156E-7
    Conjunction Distance (km) 2.869 km
    Relative Speed (km/s) 7.457 km/s
    Conjunction Risk Parameters R (Radial): -2.867 | I (In-track): -0.048 | C (Cross-track): -0.029
    Collision Risk Index (CRI) 0.35
    X Position (km) -2485.221 -2484.168
    Position Y (km) 5963.561 5961.095
    Position Z (km) -2322.968 -2321.949
    Velocity X (km/s) 1.907 -4.844
    Velocity Y (km/s) -1.961 -3.775
    Velocity Z (km/s) -7.112 -4.516

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 21 STARLINK-32496
    Semimajor Axis (a) 6861.812 km 6861.174 km
    Eccentricity (e) 0.000928 0.000167
    Inclination (i) 97.1397° 43.0003°
    RAAN 294.7326° 277.5314°
    Perigee Argument 124.8067° 276.3445°
    Mean Anomaly (M) 235.4047° 83.7217°
    Apogee 490.042 km 484.182 km
    Perigee 477.308 km 481.892 km
    Orbit Epoch 2026-09-15T08:05:00+0000 2026-09-14T11:39:44+0000

    YAOGAN 21 & STARLINK-32496 Collision Probability (Pc) Trend

    YAOGAN 21 & STARLINK-32496 Collision Probability (Pc) TrendNot Available

    YAOGAN 21 & STARLINK-32496 Miss Distance (Miss Distance) Trend

    YAOGAN 21 & STARLINK-32496 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 21Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-32496Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 21Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-32496Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 21

    No nearby objects data