Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.303412E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T16:45:08+0800
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    1 Object 1

    AOE ID 57258
    NORAD ID 57258
    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-5476 HONGHU 2
    Time of Closest Approach 2026-09-05T20:01:07+0000
    Collision Probability (Pc) 5.303412E-6
    Conjunction Distance (km) 1.597 km
    Relative Speed (km/s) 14.095 km/s
    Conjunction Risk Parameters R (Radial): 1.432 | I (In-track): 0.262 | C (Cross-track): -0.657
    Collision Risk Index (CRI) 0.49
    X Position (km) 3557.486 3557.647
    Position Y (km) 5243.74 5245.06
    Position Z (km) -2635.717 -2636.6
    Velocity X (km/s) -3.993 -0.766
    Velocity Y (km/s) 4.866 -2.99
    Velocity Z (km/s) 4.298 -6.951

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5476 HONGHU 2
    Semimajor Axis (a) 6861.195 km 6834.340 km
    Eccentricity (e) 0.000104 0.004219
    Inclination (i) 43.0030° 97.2845°
    RAAN 94.8787° 237.2533°
    Perigee Argument 262.2095° 357.1650°
    Mean Anomaly (M) 97.8638° 2.9348°
    Apogee 483.774 km 485.040 km
    Perigee 482.342 km 427.366 km
    Orbit Epoch 2026-09-03T14:48:47+0000 2026-09-04T04:03:56+0000

    STARLINK-5476 & HONGHU 2 Collision Probability (Pc) Trend

    STARLINK-5476 & HONGHU 2 Collision Probability (Pc) TrendNot Available

    STARLINK-5476 & HONGHU 2 Miss Distance (Miss Distance) Trend

    STARLINK-5476 & HONGHU 2 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5476Miss 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-5476Collision Probability Trend

    Object 1 Probability TrendNot Available

    HONGHU 2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5476

    No nearby objects data