Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.338017E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-08-27T08:16:12+0800
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    1 Object 1

    AOE ID 47486
    NORAD ID 47486
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 52548
    NORAD ID 52548
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CELESTIS 17/SHERPA-FX1 STARLINK-3931
    Time of Closest Approach 2026-08-27T21:32:58+0000
    Collision Probability (Pc) 1.338017E-6
    Conjunction Distance (km) 2.963 km
    Relative Speed (km/s) 14.395 km/s
    Conjunction Risk Parameters R (Radial): -0.368 | I (In-track): 0.97 | C (Cross-track): -2.775
    Collision Risk Index (CRI) 0.38
    X Position (km) 1390.897 1393.534
    Position Y (km) -5387.015 -5386.861
    Position Z (km) -3993.485 -3992.143
    Velocity X (km/s) -0.044 4.698
    Velocity Y (km/s) -4.547 4.312
    Velocity Z (km/s) 6.123 -4.183

    Orbital Parameters 国际轨道数据源

    Parameter CELESTIS 17/SHERPA-FX1 STARLINK-3931
    Semimajor Axis (a) 6845.514 km 6843.378 km
    Eccentricity (e) 0.000493 0.000131
    Inclination (i) 97.2207° 53.1591°
    RAAN 277.9241° 81.2845°
    Perigee Argument 318.4374° 85.7991°
    Mean Anomaly (M) 41.6493° 274.3161°
    Apogee 470.752 km 466.140 km
    Perigee 464.002 km 464.342 km
    Orbit Epoch 2026-08-26T12:48:16+0000 2026-08-25T21:38:30+0000

    CELESTIS 17/SHERPA-FX1 & STARLINK-3931 Collision Probability (Pc) Trend

    CELESTIS 17/SHERPA-FX1 & STARLINK-3931 Collision Probability (Pc) TrendNot Available

    CELESTIS 17/SHERPA-FX1 & STARLINK-3931 Miss Distance (Miss Distance) Trend

    CELESTIS 17/SHERPA-FX1 & STARLINK-3931 Miss Distance (Miss Distance) TrendNot Available

    CELESTIS 17/SHERPA-FX1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3931Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CELESTIS 17/SHERPA-FX1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3931Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CELESTIS 17/SHERPA-FX1

    No nearby objects data