Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.183181E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T07:23:54+0800
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    1 Object 1

    AOE ID 37875
    NORAD ID 37875
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 58439
    NORAD ID 58439
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN 12 STARLINK-30951
    Time of Closest Approach 2026-09-16T05:06:49+0000
    Collision Probability (Pc) 4.183181E-6
    Conjunction Distance (km) 1.68 km
    Relative Speed (km/s) 12.502 km/s
    Conjunction Risk Parameters R (Radial): -1.659 | I (In-track): -0.154 | C (Cross-track): 0.212
    Collision Risk Index (CRI) 0.47
    X Position (km) 2551.03 2550.192
    Position Y (km) -4430.161 -4429.073
    Position Z (km) -4582.813 -4581.844
    Velocity X (km/s) 1.406 6.013
    Velocity Y (km/s) -4.978 4.556
    Velocity Z (km/s) 5.59 -1.057

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 12 STARLINK-30951
    Semimajor Axis (a) 6861.805 km 6861.260 km
    Eccentricity (e) 0.000819 0.000100
    Inclination (i) 97.1070° 43.0022°
    RAAN 292.9583° 51.9575°
    Perigee Argument 260.6606° 269.5625°
    Mean Anomaly (M) 99.3708° 90.5112°
    Apogee 489.285 km 483.811 km
    Perigee 478.051 km 482.435 km
    Orbit Epoch 2026-09-15T15:08:51+0000 2026-09-15T02:52:47+0000

    YAOGAN 12 & STARLINK-30951 Collision Probability (Pc) Trend

    YAOGAN 12 & STARLINK-30951 Collision Probability (Pc) TrendNot Available

    YAOGAN 12 & STARLINK-30951 Miss Distance (Miss Distance) Trend

    YAOGAN 12 & STARLINK-30951 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 12Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30951Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 12Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30951Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 12

    No nearby objects data