Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.169073E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T01:08:08+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 48648
    NORAD ID 48648
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TISAT 1 STARLINK-2521
    Time of Closest Approach 2026-10-27T19:01:36+0000
    Collision Probability (Pc) 3.169073E-6
    Conjunction Distance (km) 1.907 km
    Relative Speed (km/s) 14.262 km/s
    Conjunction Risk Parameters R (Radial): -1.905 | I (In-track): 0.004 | C (Cross-track): 0.031
    Collision Risk Index (CRI) 0.45
    X Position (km) -1539.319 -1539.773
    Position Y (km) -4898.877 -4900.252
    Position Z (km) 4502.541 4503.781
    Velocity X (km/s) 0.123 4.902
    Velocity Y (km/s) 5.159 -4.73
    Velocity Z (km/s) 5.635 -3.461

    Orbital Parameters 国际轨道数据源

    Parameter TISAT 1 STARLINK-2521
    Semimajor Axis (a) 6833.984 km 6837.543 km
    Eccentricity (e) 0.000439 0.000108
    Inclination (i) 98.0849° 53.1585°
    RAAN 258.7066° 116.2005°
    Perigee Argument 111.3206° 98.1382°
    Mean Anomaly (M) 248.8505° 264.4398°
    Apogee 458.848 km 460.144 km
    Perigee 452.846 km 458.668 km
    Orbit Epoch 2026-10-26T20:58:02+0000 2026-10-27T06:00:04+0000

    TISAT 1 & STARLINK-2521 Collision Probability (Pc) Trend

    TISAT 1 & STARLINK-2521 Collision Probability (Pc) TrendNot Available

    TISAT 1 & STARLINK-2521 Miss Distance (Miss Distance) Trend

    TISAT 1 & STARLINK-2521 Miss Distance (Miss Distance) TrendNot Available

    TISAT 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-2521Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TISAT 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-2521Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TISAT 1

    No nearby objects data