Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.24158E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T16:05:06+0800
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    1 Object 1

    AOE ID 52763
    NORAD ID 52763
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 59389
    NORAD ID 59389
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SHERPA-AC1 STARLINK-31647
    Time of Closest Approach 2026-09-05T16:01:23+0000
    Collision Probability (Pc) 1.24158E-6
    Conjunction Distance (km) 2.854 km
    Relative Speed (km/s) 11.62 km/s
    Conjunction Risk Parameters R (Radial): 2.426 | I (In-track): 0.969 | C (Cross-track): -1.148
    Collision Risk Index (CRI) 0.37
    X Position (km) 2548.528 2549.316
    Position Y (km) 3227.706 3230.162
    Position Z (km) -5470.606 -5471.824
    Velocity X (km/s) 5.012 -5.739
    Velocity Y (km/s) 3.612 5.01
    Velocity Z (km/s) 4.464 0.284

    Orbital Parameters 国际轨道数据源

    Parameter SHERPA-AC1 STARLINK-31647
    Semimajor Axis (a) 6832.441 km 6840.831 km
    Eccentricity (e) 0.000770 0.000129
    Inclination (i) 97.6796° 53.1578°
    RAAN 38.9955° 149.0863°
    Perigee Argument 163.0595° 100.7499°
    Mean Anomaly (M) 197.0907° 259.3648°
    Apogee 459.567 km 463.574 km
    Perigee 449.041 km 461.814 km
    Orbit Epoch 2026-09-03T09:34:43+0000 2026-09-03T03:26:12+0000

    SHERPA-AC1 & STARLINK-31647 Collision Probability (Pc) Trend

    SHERPA-AC1 & STARLINK-31647 Collision Probability (Pc) TrendNot Available

    SHERPA-AC1 & STARLINK-31647 Miss Distance (Miss Distance) Trend

    SHERPA-AC1 & STARLINK-31647 Miss Distance (Miss Distance) TrendNot Available

    SHERPA-AC1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31647Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SHERPA-AC1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31647Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SHERPA-AC1

    No nearby objects data