Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.542201E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-06T20:14:16+0800
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    1 Object 1

    AOE ID 43759
    NORAD ID 43759
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 54066
    NORAD ID 54066
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SIRION PATHFINDER-2 STARLINK-5151
    Time of Closest Approach 2026-09-08T01:19:27+0000
    Collision Probability (Pc) 1.542201E-6
    Conjunction Distance (km) 2.237 km
    Relative Speed (km/s) 8.288 km/s
    Conjunction Risk Parameters R (Radial): 1.72 | I (In-track): 1.201 | C (Cross-track): -0.778
    Collision Risk Index (CRI) 0.39
    X Position (km) -1793.984 -1793.342
    Position Y (km) 4670.828 4670.714
    Position Z (km) -4767.838 -4765.699
    Velocity X (km/s) 3.109 -4.818
    Velocity Y (km/s) -4.322 -4.992
    Velocity Z (km/s) -5.404 -3.08

    Orbital Parameters 国际轨道数据源

    Parameter SIRION PATHFINDER-2 STARLINK-5151
    Semimajor Axis (a) 6898.713 km 6904.843 km
    Eccentricity (e) 0.000929 0.000126
    Inclination (i) 97.4185° 53.1596°
    RAAN 295.7827° 253.9803°
    Perigee Argument 31.2802° 353.3578°
    Mean Anomaly (M) 328.8981° 33.4038°
    Apogee 526.986 km 527.574 km
    Perigee 514.166 km 525.838 km
    Orbit Epoch 2026-09-05T15:16:40+0000 2026-09-06T04:00:03+0000

    SIRION PATHFINDER-2 & STARLINK-5151 Collision Probability (Pc) Trend

    SIRION PATHFINDER-2 & STARLINK-5151 Collision Probability (Pc) TrendNot Available

    SIRION PATHFINDER-2 & STARLINK-5151 Miss Distance (Miss Distance) Trend

    SIRION PATHFINDER-2 & STARLINK-5151 Miss Distance (Miss Distance) TrendNot Available

    SIRION PATHFINDER-2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5151Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SIRION PATHFINDER-2Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5151Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SIRION PATHFINDER-2

    No nearby objects data