Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.684511E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-13T08:24:36+0800
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    1 Object 1

    AOE ID 52640
    NORAD ID 52640
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 60463
    NORAD ID 60463
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-3977 YAOGAN-43 O1F
    Time of Closest Approach 2026-10-13T14:02:35+0000
    Collision Probability (Pc) 1.684511E-5
    Conjunction Distance (km) 1.05 km
    Relative Speed (km/s) 9.574 km/s
    Conjunction Risk Parameters R (Radial): 0.437 | I (In-track): 0.742 | C (Cross-track): 0.601
    Collision Risk Index (CRI) 0.6
    X Position (km) -5285.736 -5286.647
    Position Y (km) 3499.079 3498.558
    Position Z (km) 2564.628 2564.627
    Velocity X (km/s) -4.555 -2.604
    Velocity Y (km/s) -2.908 -6.369
    Velocity Z (km/s) -5.398 3.312

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3977 YAOGAN-43 O1F
    Semimajor Axis (a) 6840.865 km 6838.575 km
    Eccentricity (e) 0.000108 0.000675
    Inclination (i) 53.1619° 34.9898°
    RAAN 350.6762° 121.2152°
    Perigee Argument 87.5187° 219.5797°
    Mean Anomaly (M) 272.5939° 140.4429°
    Apogee 463.468 km 465.057 km
    Perigee 461.988 km 455.819 km
    Orbit Epoch 2026-10-12T04:33:20+0000 2026-10-12T00:24:31+0000

    STARLINK-3977 & YAOGAN-43 O1F Collision Probability (Pc) Trend

    STARLINK-3977 & YAOGAN-43 O1F Collision Probability (Pc) TrendNot Available

    STARLINK-3977 & YAOGAN-43 O1F Miss Distance (Miss Distance) Trend

    STARLINK-3977 & YAOGAN-43 O1F Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3977Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YAOGAN-43 O1FMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3977Collision Probability Trend

    Object 1 Probability TrendNot Available

    YAOGAN-43 O1FCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3977

    No nearby objects data