Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.637091E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T22:03:11+0800
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    1 Object 1

    AOE ID 58555
    NORAD ID 58555
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 69201
    NORAD ID 69201
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HONGHU 2 STARLINK-37754
    Time of Closest Approach 2026-10-18T21:28:04+0000
    Collision Probability (Pc) 1.637091E-5
    Conjunction Distance (km) 1.043 km
    Relative Speed (km/s) 8.869 km/s
    Conjunction Risk Parameters R (Radial): -0.969 | I (In-track): 0.312 | C (Cross-track): 0.224
    Collision Risk Index (CRI) 0.59
    X Position (km) -1540.666 -1540.683
    Position Y (km) 4458.138 4457.69
    Position Z (km) 4946.148 4945.207
    Velocity X (km/s) -0.444 -7.169
    Velocity Y (km/s) 5.587 0.42
    Velocity Z (km/s) -5.199 -2.605

    Orbital Parameters 国际轨道数据源

    Parameter HONGHU 2 STARLINK-37754
    Semimajor Axis (a) 6851.893 km 6840.818 km
    Eccentricity (e) 0.004079 0.000120
    Inclination (i) 97.2889° 53.1590°
    RAAN 280.4283° 344.3376°
    Perigee Argument 198.4829° 87.7939°
    Mean Anomaly (M) 161.4933° 272.3201°
    Apogee 501.709 km 463.503 km
    Perigee 445.803 km 461.859 km
    Orbit Epoch 2026-10-17T22:55:16+0000 2026-10-18T03:46:22+0000

    HONGHU 2 & STARLINK-37754 Collision Probability (Pc) Trend

    HONGHU 2 & STARLINK-37754 Collision Probability (Pc) TrendNot Available

    HONGHU 2 & STARLINK-37754 Miss Distance (Miss Distance) Trend

    HONGHU 2 & STARLINK-37754 Miss Distance (Miss Distance) TrendNot Available

    HONGHU 2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37754Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HONGHU 2Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37754Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HONGHU 2

    No nearby objects data