Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.846357E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T07:23:57+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 58625
    NORAD ID 58625
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN 12 STARLINK-30774
    Time of Closest Approach 2026-09-17T07:51:46+0000
    Collision Probability (Pc) 1.846357E-6
    Conjunction Distance (km) 2.355 km
    Relative Speed (km/s) 13.315 km/s
    Conjunction Risk Parameters R (Radial): -2.266 | I (In-track): -0.308 | C (Cross-track): 0.556
    Collision Risk Index (CRI) 0.4
    X Position (km) 2730.368 2728.914
    Position Y (km) -4718.144 -4716.631
    Position Z (km) -4174.605 -4173.538
    Velocity X (km/s) 1.265 5.175
    Velocity Y (km/s) -4.555 5.073
    Velocity Z (km/s) 5.972 -2.351

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 12 STARLINK-30774
    Semimajor Axis (a) 6861.805 km 6861.186 km
    Eccentricity (e) 0.000819 0.000092
    Inclination (i) 97.1070° 43.0001°
    RAAN 292.9583° 75.0009°
    Perigee Argument 260.6606° 270.7655°
    Mean Anomaly (M) 99.3708° 89.3090°
    Apogee 489.285 km 483.684 km
    Perigee 478.051 km 482.414 km
    Orbit Epoch 2026-09-15T15:08:51+0000 2026-09-15T12:26:01+0000

    YAOGAN 12 & STARLINK-30774 Collision Probability (Pc) Trend

    YAOGAN 12 & STARLINK-30774 Collision Probability (Pc) TrendNot Available

    YAOGAN 12 & STARLINK-30774 Miss Distance (Miss Distance) Trend

    YAOGAN 12 & STARLINK-30774 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 12Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30774Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 12Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30774Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 12

    No nearby objects data