Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.439321E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-17T06:17:45+0800
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    1 Object 1

    Name TISAT 1
    AOE ID 36799
    NORAD ID 36799
    Object Type PAYLOAD
    Country
    CH CH
    ← VS →

    2 Object 2

    AOE ID 52457
    NORAD ID 52457
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TISAT 1 STARLINK-3899
    Time of Closest Approach 2026-10-16T23:37:34+0000
    Collision Probability (Pc) 1.439321E-5
    Conjunction Distance (km) 1.151 km
    Relative Speed (km/s) 12.06 km/s
    Conjunction Risk Parameters R (Radial): -0.08 | I (In-track): 0.713 | C (Cross-track): 0.901
    Collision Risk Index (CRI) 0.58
    X Position (km) -2236.082 -2237.103
    Position Y (km) -3432.052 -3432.296
    Position Z (km) 5464.906 5464.435
    Velocity X (km/s) 1.746 6.363
    Velocity Y (km/s) 5.962 -4.23
    Velocity Z (km/s) 4.446 -0.052

    Orbital Parameters 国际轨道数据源

    Parameter TISAT 1 STARLINK-3899
    Semimajor Axis (a) 6835.442 km 6837.860 km
    Eccentricity (e) 0.000347 0.000143
    Inclination (i) 98.0837° 53.1613°
    RAAN 247.1196° 150.7401°
    Perigee Argument 128.4427° 88.6511°
    Mean Anomaly (M) 231.7128° 271.4655°
    Apogee 459.681 km 460.699 km
    Perigee 454.929 km 458.747 km
    Orbit Epoch 2026-10-16T07:45:35+0000 2026-10-15T23:48:02+0000

    TISAT 1 & STARLINK-3899 Collision Probability (Pc) Trend

    TISAT 1 & STARLINK-3899 Collision Probability (Pc) TrendNot Available

    TISAT 1 & STARLINK-3899 Miss Distance (Miss Distance) Trend

    TISAT 1 & STARLINK-3899 Miss Distance (Miss Distance) TrendNot Available

    TISAT 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3899Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TISAT 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3899Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TISAT 1

    No nearby objects data