Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.160549E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T07:58:00+0800
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    1 Object 1

    AOE ID 58391
    NORAD ID 58391
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58555
    NORAD ID 58555
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-30916 HONGHU 2
    Time of Closest Approach 2026-10-21T16:54:47+0000
    Collision Probability (Pc) 2.160549E-6
    Conjunction Distance (km) 2.128 km
    Relative Speed (km/s) 12.042 km/s
    Conjunction Risk Parameters R (Radial): -0.287 | I (In-track): 1.289 | C (Cross-track): 1.669
    Collision Risk Index (CRI) 0.42
    X Position (km) -1665.001 -1663.306
    Position Y (km) 3747.329 3746.859
    Position Z (km) 5465.478 5466.675
    Velocity X (km/s) -6.902 -0.943
    Velocity Y (km/s) -3.271 6.11
    Velocity Z (km/s) 0.139 -4.498

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30916 HONGHU 2
    Semimajor Axis (a) 6840.870 km 6852.485 km
    Eccentricity (e) 0.000147 0.004059
    Inclination (i) 53.1596° 97.2887°
    RAAN 31.6943° 282.6753°
    Perigee Argument 88.5988° 190.1733°
    Mean Anomaly (M) 271.5183° 169.8691°
    Apogee 463.737 km 502.165 km
    Perigee 461.729 km 446.531 km
    Orbit Epoch 2026-10-20T12:23:24+0000 2026-10-20T05:50:27+0000

    STARLINK-30916 & HONGHU 2 Collision Probability (Pc) Trend

    STARLINK-30916 & HONGHU 2 Collision Probability (Pc) TrendNot Available

    STARLINK-30916 & HONGHU 2 Miss Distance (Miss Distance) Trend

    STARLINK-30916 & HONGHU 2 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30916Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HONGHU 2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30916Collision Probability Trend

    Object 1 Probability TrendNot Available

    HONGHU 2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30916

    No nearby objects data