Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.308506E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T06:34:10+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 52536
    NORAD ID 52536
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 60479
    NORAD ID 60479
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3964 TOMORROW-S1
    Time of Closest Approach 2026-09-04T22:41:05+0000
    Collision Probability (Pc) 1.308506E-6
    Conjunction Distance (km) 2.534 km
    Relative Speed (km/s) 9.353 km/s
    Conjunction Risk Parameters R (Radial): -2.47 | I (In-track): 0.444 | C (Cross-track): -0.343
    Collision Risk Index (CRI) 0.37
    X Position (km) 4173.602 4174.664
    Position Y (km) -1807.796 -1808.53
    Position Z (km) -5117.209 -5119.389
    Velocity X (km/s) 4.984 4.543
    Velocity Y (km/s) 5.343 -3.573
    Velocity Z (km/s) 2.179 4.971

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3964 TOMORROW-S1
    Semimajor Axis (a) 6840.812 km 6842.957 km
    Eccentricity (e) 0.000118 0.000214
    Inclination (i) 53.1612° 97.3702°
    RAAN 48.9520° 325.4773°
    Perigee Argument 94.7851° 11.7001°
    Mean Anomaly (M) 265.3287° 348.4291°
    Apogee 463.484 km 466.286 km
    Perigee 461.866 km 463.354 km
    Orbit Epoch 2026-09-01T18:23:09+0000 2026-09-02T05:07:54+0000

    STARLINK-3964 & TOMORROW-S1 Collision Probability (Pc) Trend

    STARLINK-3964 & TOMORROW-S1 Collision Probability (Pc) TrendNot Available

    STARLINK-3964 & TOMORROW-S1 Miss Distance (Miss Distance) Trend

    STARLINK-3964 & TOMORROW-S1 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3964Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TOMORROW-S1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3964Collision Probability Trend

    Object 1 Probability TrendNot Available

    TOMORROW-S1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3964

    No nearby objects data