Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.785648E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T20:28:36+0800
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    1 Object 1

    AOE ID 45212
    NORAD ID 45212
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

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

    Conjunction Constraints

    Parameter STARLINK-1231 CELESTIS 17/SHERPA-FX1
    Time of Closest Approach 2026-09-12T22:32:14+0000
    Collision Probability (Pc) 3.785648E-6
    Conjunction Distance (km) 1.637 km
    Relative Speed (km/s) 9.531 km/s
    Conjunction Risk Parameters R (Radial): 0.875 | I (In-track): 1.086 | C (Cross-track): 0.859
    Collision Risk Index (CRI) 0.47
    X Position (km) -1281.511 -1281.003
    Position Y (km) 4311.205 4311.724
    Position Z (km) -5166.103 -5164.637
    Velocity X (km/s) -6.036 3.005
    Velocity Y (km/s) -4.2 -4.993
    Velocity Z (km/s) -2.006 -4.916

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-1231 CELESTIS 17/SHERPA-FX1
    Semimajor Axis (a) 6842.904 km 6845.099 km
    Eccentricity (e) 0.000393 0.000478
    Inclination (i) 53.0367° 97.2181°
    RAAN 229.6310° 294.0454°
    Perigee Argument 31.2433° 237.8139°
    Mean Anomaly (M) 328.8801° 122.2641°
    Apogee 467.459 km 470.231 km
    Perigee 462.075 km 463.693 km
    Orbit Epoch 2026-09-12T07:22:24+0000 2026-09-12T01:10:25+0000

    STARLINK-1231 & CELESTIS 17/SHERPA-FX1 Collision Probability (Pc) Trend

    STARLINK-1231 & CELESTIS 17/SHERPA-FX1 Collision Probability (Pc) TrendNot Available

    STARLINK-1231 & CELESTIS 17/SHERPA-FX1 Miss Distance (Miss Distance) Trend

    STARLINK-1231 & CELESTIS 17/SHERPA-FX1 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-1231Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CELESTIS 17/SHERPA-FX1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-1231Collision Probability Trend

    Object 1 Probability TrendNot Available

    CELESTIS 17/SHERPA-FX1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-1231

    No nearby objects data