Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    6.461853E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T01:10:35+0800
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    1 Object 1

    Name SALSAT
    AOE ID 46495
    NORAD ID 46495
    Object Type PAYLOAD
    Country
    DE DE
    VS

    2 Object 2

    AOE ID 58806
    NORAD ID 58806
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SALSAT STARLINK-31138
    Time of Closest Approach 2026-09-13T09:22:57+0000
    Collision Probability (Pc) 6.461853E-6
    Conjunction Distance (km) 1.418 km
    Relative Speed (km/s) 10.651 km/s
    Conjunction Risk Parameters R (Radial): -0.776 | I (In-track): -0.84 | C (Cross-track): 0.836
    Collision Risk Index (CRI) 0.51
    X Position (km) 1080.507 1079.854
    Position Y (km) 5015.347 5015.409
    Position Z (km) -4558.598 -4559.854
    Velocity X (km/s) 0.319 -7.507
    Velocity Y (km/s) -5.155 0.555
    Velocity Z (km/s) -5.593 -1.168

    Orbital Parameters 国际轨道数据源

    Parameter SALSAT STARLINK-31138
    Semimajor Axis (a) 6851.355 km 6861.227 km
    Eccentricity (e) 0.000962 0.000113
    Inclination (i) 97.8883° 43.0010°
    RAAN 261.9585° 197.4267°
    Perigee Argument 13.6942° 270.2155°
    Mean Anomaly (M) 346.4557° 89.8567°
    Apogee 479.810 km 483.864 km
    Perigee 466.626 km 482.316 km
    Orbit Epoch 2026-09-10T14:31:45+0000 2026-09-11T06:02:44+0000

    SALSAT & STARLINK-31138 Collision Probability (Pc) Trend

    SALSAT & STARLINK-31138 Collision Probability (Pc) TrendNot Available

    SALSAT & STARLINK-31138 Miss Distance (Miss Distance) Trend

    SALSAT & STARLINK-31138 Miss Distance (Miss Distance) TrendNot Available

    SALSATMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31138Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SALSATCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31138Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SALSAT

    No nearby objects data