Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.408959E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T05:46:58+0800
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    1 Object 1

    AOE ID 51778
    NORAD ID 51778
    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-3615 HONGHU 2
    Time of Closest Approach 2026-10-21T10:38:14+0000
    Collision Probability (Pc) 3.408959E-6
    Conjunction Distance (km) 1.77 km
    Relative Speed (km/s) 11.556 km/s
    Conjunction Risk Parameters R (Radial): 0.54 | I (In-track): 1.102 | C (Cross-track): -1.274
    Collision Risk Index (CRI) 0.46
    X Position (km) -1646.671 -1648.16
    Position Y (km) 3764.087 3764.965
    Position Z (km) 5459.652 5459.272
    Velocity X (km/s) -7.15 -0.912
    Velocity Y (km/s) -2.671 6.106
    Velocity Z (km/s) -0.314 -4.509

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3615 HONGHU 2
    Semimajor Axis (a) 6840.863 km 6852.485 km
    Eccentricity (e) 0.000131 0.004059
    Inclination (i) 53.1582° 97.2887°
    RAAN 24.2804° 282.6753°
    Perigee Argument 89.9763° 190.1733°
    Mean Anomaly (M) 270.1390° 169.8691°
    Apogee 463.625 km 502.165 km
    Perigee 461.827 km 446.531 km
    Orbit Epoch 2026-10-20T06:05:44+0000 2026-10-20T05:50:27+0000

    STARLINK-3615 & HONGHU 2 Collision Probability (Pc) Trend

    STARLINK-3615 & HONGHU 2 Collision Probability (Pc) TrendNot Available

    STARLINK-3615 & HONGHU 2 Miss Distance (Miss Distance) Trend

    STARLINK-3615 & HONGHU 2 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3615Miss 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-3615Collision Probability Trend

    Object 1 Probability TrendNot Available

    HONGHU 2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3615

    No nearby objects data