Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    3.744707E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-08-30T23:53:37+0800
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    1 Object 1

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

    2 Object 2

    AOE ID 63118
    NORAD ID 63118
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN 21 STARLINK-32945
    Time of Closest Approach 2026-08-30T20:14:51+0000
    Collision Probability (Pc) 3.744707E-4
    Conjunction Distance (km) 0.364 km
    Relative Speed (km/s) 14.303 km/s
    Conjunction Risk Parameters R (Radial): 0.354 | I (In-track): -0.024 | C (Cross-track): -0.082
    Collision Risk Index (CRI) 0.86
    X Position (km) -1022.488 -1022.463
    Position Y (km) 6688.652 6689.014
    Position Z (km) -1137.238 -1137.263
    Velocity X (km/s) 1.138 -5.716
    Velocity Y (km/s) -1.086 -0.02
    Velocity Z (km/s) -7.462 5.046

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 21 STARLINK-32945
    Semimajor Axis (a) 6862.225 km 6861.102 km
    Eccentricity (e) 0.000789 0.000132
    Inclination (i) 97.1423° 42.9984°
    RAAN 279.4270° 114.2399°
    Perigee Argument 175.0857° 269.1605°
    Mean Anomaly (M) 185.0462° 90.9095°
    Apogee 489.504 km 483.874 km
    Perigee 478.672 km 482.056 km
    Orbit Epoch 2026-08-30T08:24:48+0000 2026-08-29T22:20:24+0000

    YAOGAN 21 & STARLINK-32945 Collision Probability (Pc) Trend

    YAOGAN 21 & STARLINK-32945 Collision Probability (Pc) TrendNot Available

    YAOGAN 21 & STARLINK-32945 Miss Distance (Miss Distance) Trend

    YAOGAN 21 & STARLINK-32945 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 21Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-32945Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 21Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-32945Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 21

    No nearby objects data