Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    2.995359E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T14:25:17+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 49390
    NORAD ID 49390
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 59789
    NORAD ID 59789
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN-35 A STARLINK-31863
    Time of Closest Approach 2026-09-13T03:43:32+0000
    Collision Probability (Pc) 2.995359E-4
    Conjunction Distance (km) 0.366 km
    Relative Speed (km/s) 9.294 km/s
    Conjunction Risk Parameters R (Radial): 0.346 | I (In-track): 0.097 | C (Cross-track): -0.069
    Collision Risk Index (CRI) 0.85
    X Position (km) 3119.376 3119.427
    Position Y (km) 5960.193 5960.547
    Position Z (km) -1353.983 -1354.056
    Velocity X (km/s) -5.264 -5.501
    Velocity Y (km/s) 3.68 1.751
    Velocity Z (km/s) 4.108 -4.98

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN-35 A STARLINK-31863
    Semimajor Axis (a) 6860.840 km 6861.206 km
    Eccentricity (e) 0.000517 0.000138
    Inclination (i) 34.9921° 43.0026°
    RAAN 93.1479° 249.3139°
    Perigee Argument 66.8952° 268.8738°
    Mean Anomaly (M) 293.2309° 91.1956°
    Apogee 486.249 km 484.018 km
    Perigee 479.157 km 482.120 km
    Orbit Epoch 2026-09-10T22:29:18+0000 2026-09-09T17:15:58+0000

    YAOGAN-35 A & STARLINK-31863 Collision Probability (Pc) Trend

    YAOGAN-35 A & STARLINK-31863 Collision Probability (Pc) TrendNot Available

    YAOGAN-35 A & STARLINK-31863 Miss Distance (Miss Distance) Trend

    YAOGAN-35 A & STARLINK-31863 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN-35 AMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31863Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN-35 ACollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31863Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN-35 A

    No nearby objects data