Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.42909E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T14:17:37+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 58389
    NORAD ID 58389
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TISAT 1 STARLINK-30938
    Time of Closest Approach 2026-10-21T06:21:19+0000
    Collision Probability (Pc) 2.42909E-6
    Conjunction Distance (km) 2.103 km
    Relative Speed (km/s) 13.911 km/s
    Conjunction Risk Parameters R (Radial): -2.006 | I (In-track): 0.265 | C (Cross-track): 0.57
    Collision Risk Index (CRI) 0.43
    X Position (km) -734.421 -735.103
    Position Y (km) -4677.558 -4678.592
    Position Z (km) -4941.921 -4943.62
    Velocity X (km/s) -2.367 6.957
    Velocity Y (km/s) -5.083 1.684
    Velocity Z (km/s) 5.167 -2.63

    Orbital Parameters 国际轨道数据源

    Parameter TISAT 1 STARLINK-30938
    Semimajor Axis (a) 6834.930 km 6840.880 km
    Eccentricity (e) 0.000387 0.000095
    Inclination (i) 98.0839° 53.1615°
    RAAN 250.9815° 38.6161°
    Perigee Argument 122.0726° 79.6976°
    Mean Anomaly (M) 238.0891° 280.4133°
    Apogee 459.437 km 463.391 km
    Perigee 454.149 km 462.095 km
    Orbit Epoch 2026-10-19T20:10:18+0000 2026-10-19T07:57:35+0000

    TISAT 1 & STARLINK-30938 Collision Probability (Pc) Trend

    TISAT 1 & STARLINK-30938 Collision Probability (Pc) TrendNot Available

    TISAT 1 & STARLINK-30938 Miss Distance (Miss Distance) Trend

    TISAT 1 & STARLINK-30938 Miss Distance (Miss Distance) TrendNot Available

    TISAT 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30938Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TISAT 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30938Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TISAT 1

    No nearby objects data