Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.646017E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T14:25:17+0800
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    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 2026-09-12T23:48:11+0000
    Collision Probability (Pc) 1.646017E-6
    Conjunction Distance (km) 2.241 km
    Relative Speed (km/s) 9.297 km/s
    Conjunction Risk Parameters R (Radial): 2.228 | I (In-track): 0.191 | C (Cross-track): 0.146
    Collision Risk Index (CRI) 0.39
    X Position (km) -3015.373 -3016.138
    Position Y (km) -6006.93 -6008.986
    Position Z (km) 1357.914 1358.371
    Velocity X (km/s) 5.322 5.538
    Velocity Y (km/s) -3.61 -1.648
    Velocity Z (km/s) -4.106 4.979

    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