Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.678464E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-25T09:39:54+0800
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    1 Object 1

    AOE ID 51877
    NORAD ID 51877
    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-3556 YAOGAN-43 O1F
    Time of Closest Approach 2026-10-25T02:44:24+0000
    Collision Probability (Pc) 1.678464E-6
    Conjunction Distance (km) 1.643 km
    Relative Speed (km/s) 2.632 km/s
    Conjunction Risk Parameters R (Radial): -0.443 | I (In-track): 1.559 | C (Cross-track): 0.274
    Collision Risk Index (CRI) 0.39
    X Position (km) -6402.369 -6401.961
    Position Y (km) -1509.097 -1510.218
    Position Z (km) 1872.621 1871.492
    Velocity X (km/s) -0.508 0.422
    Velocity Y (km/s) -5.01 -6.582
    Velocity Z (km/s) -5.743 -3.848

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3556 YAOGAN-43 O1F
    Semimajor Axis (a) 6840.887 km 6837.562 km
    Eccentricity (e) 0.000111 0.000678
    Inclination (i) 53.1603° 34.9927°
    RAAN 30.8995° 42.4501°
    Perigee Argument 90.7831° 322.8126°
    Mean Anomaly (M) 269.3298° 37.2123°
    Apogee 463.507 km 464.058 km
    Perigee 461.993 km 454.792 km
    Orbit Epoch 2026-10-23T23:28:15+0000 2026-10-24T07:21:33+0000

    STARLINK-3556 & YAOGAN-43 O1F Collision Probability (Pc) Trend

    STARLINK-3556 & YAOGAN-43 O1F Collision Probability (Pc) TrendNot Available

    STARLINK-3556 & YAOGAN-43 O1F Miss Distance (Miss Distance) Trend

    STARLINK-3556 & YAOGAN-43 O1F Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3556Miss 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-3556Collision Probability Trend

    Object 1 Probability TrendNot Available

    YAOGAN-43 O1FCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3556

    No nearby objects data