Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.456245E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:07:23+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 52544
    NORAD ID 52544
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 60465
    NORAD ID 60465
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-3944 YAOGAN-43 O1H
    Time of Closest Approach 2026-10-21T19:37:51+0000
    Collision Probability (Pc) 3.456245E-6
    Conjunction Distance (km) 1.667 km
    Relative Speed (km/s) 9.026 km/s
    Conjunction Risk Parameters R (Radial): -0.898 | I (In-track): 1.132 | C (Cross-track): 0.831
    Collision Risk Index (CRI) 0.46
    X Position (km) 5357.502 5356.011
    Position Y (km) 3045.729 3046.461
    Position Z (km) -2996.707 -2996.574
    Velocity X (km/s) -4.67 -2.24
    Velocity Y (km/s) 3.193 6.723
    Velocity Z (km/s) -5.114 2.828

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3944 YAOGAN-43 O1H
    Semimajor Axis (a) 6848.850 km 6853.956 km
    Eccentricity (e) 0.000126 0.000645
    Inclination (i) 53.1595° 34.9873°
    RAAN 200.5720° 90.6365°
    Perigee Argument 93.1732° 248.8005°
    Mean Anomaly (M) 266.9414° 111.2022°
    Apogee 471.577 km 480.243 km
    Perigee 469.849 km 471.395 km
    Orbit Epoch 2026-10-19T04:03:54+0000 2026-10-19T03:38:29+0000

    STARLINK-3944 & YAOGAN-43 O1H Collision Probability (Pc) Trend

    STARLINK-3944 & YAOGAN-43 O1H Collision Probability (Pc) TrendNot Available

    STARLINK-3944 & YAOGAN-43 O1H Miss Distance (Miss Distance) Trend

    STARLINK-3944 & YAOGAN-43 O1H Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3944Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YAOGAN-43 O1HMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3944Collision Probability Trend

    Object 1 Probability TrendNot Available

    YAOGAN-43 O1HCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3944

    No nearby objects data