Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.670254E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-08-27T08:55:38+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 58968
    NORAD ID 58968
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SHERPA-AC1 STARLINK-31356
    Time of Closest Approach 2026-08-28T00:20:31+0000
    Collision Probability (Pc) 1.670254E-6
    Conjunction Distance (km) 2.558 km
    Relative Speed (km/s) 14.555 km/s
    Conjunction Risk Parameters R (Radial): 2.407 | I (In-track): -0.266 | C (Cross-track): 0.823
    Collision Risk Index (CRI) 0.39
    X Position (km) 4748.75 4750.726
    Position Y (km) 3550.261 3550.776
    Position Z (km) -3415.702 -3417.241
    Velocity X (km/s) 3.716 -5.36
    Velocity Y (km/s) 1.311 2.584
    Velocity Z (km/s) 6.531 -4.775

    Orbital Parameters 国际轨道数据源

    Parameter SHERPA-AC1 STARLINK-31356
    Semimajor Axis (a) 6832.754 km 6840.891 km
    Eccentricity (e) 0.000703 0.000165
    Inclination (i) 97.6772° 53.1600°
    RAAN 30.6317° 199.8962°
    Perigee Argument 190.7217° 104.9349°
    Mean Anomaly (M) 169.3877° 255.1836°
    Apogee 459.420 km 463.884 km
    Perigee 449.814 km 461.624 km
    Orbit Epoch 2026-08-26T09:24:53+0000 2026-08-26T03:37:20+0000

    SHERPA-AC1 & STARLINK-31356 Collision Probability (Pc) Trend

    SHERPA-AC1 & STARLINK-31356 Collision Probability (Pc) TrendNot Available

    SHERPA-AC1 & STARLINK-31356 Miss Distance (Miss Distance) Trend

    SHERPA-AC1 & STARLINK-31356 Miss Distance (Miss Distance) TrendNot Available

    SHERPA-AC1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31356Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SHERPA-AC1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31356Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SHERPA-AC1

    No nearby objects data