Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.64468E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T00:43:58+0800
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    1 Object 1

    AOE ID 52484
    NORAD ID 52484
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

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

    Conjunction Constraints

    Parameter STARLINK-3887 SHERPA-AC1
    Time of Closest Approach 2026-09-03T23:51:16+0000
    Collision Probability (Pc) 1.64468E-5
    Conjunction Distance (km) 1.059 km
    Relative Speed (km/s) 9.623 km/s
    Conjunction Risk Parameters R (Radial): 0.646 | I (In-track): 0.649 | C (Cross-track): -0.53
    Collision Risk Index (CRI) 0.59
    X Position (km) 3848.274 3848.591
    Position Y (km) 2282.075 2281.813
    Position Z (km) 5161.323 5160.348
    Velocity X (km/s) -5.567 -4.073
    Velocity Y (km/s) 4.833 -4.227
    Velocity Z (km/s) 2.009 4.888

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3887 SHERPA-AC1
    Semimajor Axis (a) 6837.879 km 6832.484 km
    Eccentricity (e) 0.000118 0.000760
    Inclination (i) 53.1623° 97.6796°
    RAAN 342.4509° 37.7034°
    Perigee Argument 86.6315° 167.2132°
    Mean Anomaly (M) 273.4823° 192.9306°
    Apogee 460.549 km 459.541 km
    Perigee 458.935 km 449.153 km
    Orbit Epoch 2026-09-01T12:10:58+0000 2026-09-02T03:53:44+0000

    STARLINK-3887 & SHERPA-AC1 Collision Probability (Pc) Trend

    STARLINK-3887 & SHERPA-AC1 Collision Probability (Pc) TrendNot Available

    STARLINK-3887 & SHERPA-AC1 Miss Distance (Miss Distance) Trend

    STARLINK-3887 & SHERPA-AC1 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3887Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SHERPA-AC1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3887Collision Probability Trend

    Object 1 Probability TrendNot Available

    SHERPA-AC1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3887

    No nearby objects data