Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.183856E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T06:42:54+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 69969
    NORAD ID 69969
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TISAT 1 STARLINK-37921
    Time of Closest Approach 2026-09-05T18:59:17+0000
    Collision Probability (Pc) 1.183856E-4
    Conjunction Distance (km) 0.622 km
    Relative Speed (km/s) 14.617 km/s
    Conjunction Risk Parameters R (Radial): -0.598 | I (In-track): -0.044 | C (Cross-track): 0.163
    Collision Risk Index (CRI) 0.76
    X Position (km) -5707.857 -5707.437
    Position Y (km) -1886.204 -1885.903
    Position Z (km) 3258.297 3257.95
    Velocity X (km/s) 3.037 -0.901
    Velocity Y (km/s) 2.288 -5.783
    Velocity Z (km/s) 6.624 -4.908

    Orbital Parameters 国际轨道数据源

    Parameter TISAT 1 STARLINK-37921
    Semimajor Axis (a) 6840.341 km 6840.835 km
    Eccentricity (e) 0.000197 0.000119
    Inclination (i) 98.0753° 53.1601°
    RAAN 201.4106° 47.5185°
    Perigee Argument 34.6712° 88.4491°
    Mean Anomaly (M) 325.4657° 320.0740°
    Apogee 463.552 km 463.515 km
    Perigee 460.856 km 461.881 km
    Orbit Epoch 2026-09-04T14:41:39+0000 2026-09-04T16:00:02+0000

    TISAT 1 & STARLINK-37921 Collision Probability (Pc) Trend

    TISAT 1 & STARLINK-37921 Collision Probability (Pc) TrendNot Available

    TISAT 1 & STARLINK-37921 Miss Distance (Miss Distance) Trend

    TISAT 1 & STARLINK-37921 Miss Distance (Miss Distance) TrendNot Available

    TISAT 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37921Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TISAT 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37921Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TISAT 1

    No nearby objects data