Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.132553E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T11:21:50+0800
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    1 Object 1

    AOE ID 41026
    NORAD ID 41026
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 57090
    NORAD ID 57090
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN 28 STARLINK-6254
    Time of Closest Approach 2026-09-11T18:17:55+0000
    Collision Probability (Pc) 1.132553E-4
    Conjunction Distance (km) 0.597 km
    Relative Speed (km/s) 11.479 km/s
    Conjunction Risk Parameters R (Radial): -0.486 | I (In-track): 0.222 | C (Cross-track): -0.265
    Collision Risk Index (CRI) 0.76
    X Position (km) 3946.176 3945.899
    Position Y (km) 3111.134 3111.201
    Position Z (km) -4675.753 -4675.229
    Velocity X (km/s) 4.835 -4.554
    Velocity Y (km/s) 2.124 6.103
    Velocity Z (km/s) 5.488 0.218

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 28 STARLINK-6254
    Semimajor Axis (a) 6858.773 km 6861.187 km
    Eccentricity (e) 0.000901 0.000158
    Inclination (i) 97.3191° 43.0022°
    RAAN 30.3615° 140.0357°
    Perigee Argument 244.1918° 263.4171°
    Mean Anomaly (M) 115.8393° 96.6500°
    Apogee 486.814 km 484.137 km
    Perigee 474.458 km 481.963 km
    Orbit Epoch 2026-09-10T17:20:52+0000 2026-09-09T02:20:27+0000

    YAOGAN 28 & STARLINK-6254 Collision Probability (Pc) Trend

    YAOGAN 28 & STARLINK-6254 Collision Probability (Pc) TrendNot Available

    YAOGAN 28 & STARLINK-6254 Miss Distance (Miss Distance) Trend

    YAOGAN 28 & STARLINK-6254 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 28Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-6254Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 28Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-6254Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 28

    No nearby objects data