Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.410147E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T06:30:46+0800
    View CDM
    Download CDM 1.0

    1 Object 1

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

    2 Object 2

    AOE ID 51803
    NORAD ID 51803
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TISAT 1 STARLINK-3544
    Time of Closest Approach 2026-09-11T06:14:49+0000
    Collision Probability (Pc) 1.410147E-6
    Conjunction Distance (km) 2.134 km
    Relative Speed (km/s) 6.016 km/s
    Conjunction Risk Parameters R (Radial): 0.072 | I (In-track): 1.958 | C (Cross-track): -0.843
    Collision Risk Index (CRI) 0.38
    X Position (km) -5716.803 -5717.002
    Position Y (km) -3391.592 -3392.352
    Position Z (km) -1628.111 -1626.128
    Velocity X (km/s) -2.102 1.181
    Velocity Y (km/s) 0.036 -4.776
    Velocity Z (km/s) 7.337 5.836

    Orbital Parameters 国际轨道数据源

    Parameter TISAT 1 STARLINK-3544
    Semimajor Axis (a) 6839.709 km 6840.879 km
    Eccentricity (e) 0.000126 0.000139
    Inclination (i) 98.0764° 53.1590°
    RAAN 207.7613° 228.8517°
    Perigee Argument 30.2317° 88.9699°
    Mean Anomaly (M) 329.8997° 271.1463°
    Apogee 462.433 km 463.695 km
    Perigee 460.711 km 461.789 km
    Orbit Epoch 2026-09-10T09:57:58+0000 2026-09-09T15:14:26+0000

    TISAT 1 & STARLINK-3544 Collision Probability (Pc) Trend

    TISAT 1 & STARLINK-3544 Collision Probability (Pc) TrendNot Available

    TISAT 1 & STARLINK-3544 Miss Distance (Miss Distance) Trend

    TISAT 1 & STARLINK-3544 Miss Distance (Miss Distance) TrendNot Available

    TISAT 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3544Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TISAT 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3544Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TISAT 1

    No nearby objects data