Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.327419E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T13:31:14+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 52630
    NORAD ID 52630
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SALSAT STARLINK-3989
    Time of Closest Approach 2026-10-20T21:26:32+0000
    Collision Probability (Pc) 5.327419E-6
    Conjunction Distance (km) 1.337 km
    Relative Speed (km/s) 6.022 km/s
    Conjunction Risk Parameters R (Radial): 0.237 | I (In-track): -1.207 | C (Cross-track): -0.521
    Collision Risk Index (CRI) 0.5
    X Position (km) -3973.961 -3973.628
    Position Y (km) 5296.088 5296.219
    Position Z (km) 1743.86 1745.148
    Velocity X (km/s) -0.292 -4.706
    Velocity Y (km/s) 2.193 -1.612
    Velocity Z (km/s) -7.307 -5.79

    Orbital Parameters 国际轨道数据源

    Parameter SALSAT STARLINK-3989
    Semimajor Axis (a) 6849.943 km 6848.883 km
    Eccentricity (e) 0.000817 0.000170
    Inclination (i) 97.8880° 53.1586°
    RAAN 303.2993° 323.2755°
    Perigee Argument 216.8801° 87.5509°
    Mean Anomaly (M) 143.1878° 272.5687°
    Apogee 477.403 km 471.908 km
    Perigee 466.209 km 469.584 km
    Orbit Epoch 2026-10-19T11:47:26+0000 2026-10-19T19:41:06+0000

    SALSAT & STARLINK-3989 Collision Probability (Pc) Trend

    SALSAT & STARLINK-3989 Collision Probability (Pc) TrendNot Available

    SALSAT & STARLINK-3989 Miss Distance (Miss Distance) Trend

    SALSAT & STARLINK-3989 Miss Distance (Miss Distance) TrendNot Available

    SALSATMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3989Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SALSATCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3989Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SALSAT

    No nearby objects data