Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.920576E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T01:34:17+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 56148
    NORAD ID 56148
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66309
    NORAD ID 66309
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5089 TOMORROW-S9
    Time of Closest Approach 2026-10-28T22:45:33+0000
    Collision Probability (Pc) 1.920576E-6
    Conjunction Distance (km) 2.052 km
    Relative Speed (km/s) 8.653 km/s
    Conjunction Risk Parameters R (Radial): -1.964 | I (In-track): -0.488 | C (Cross-track): 0.333
    Collision Risk Index (CRI) 0.41
    X Position (km) 27.228 26.63
    Position Y (km) -5991.238 -5989.522
    Position Z (km) 3373.592 3372.641
    Velocity X (km/s) 6.384 6.149
    Velocity Y (km/s) 2.077 -2.193
    Velocity Z (km/s) 3.593 -3.928

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5089 TOMORROW-S9
    Semimajor Axis (a) 6874.619 km 6879.534 km
    Eccentricity (e) 0.002240 0.000222
    Inclination (i) 42.9800° 45.4020°
    RAAN 243.0411° 140.0162°
    Perigee Argument 147.1830° 82.8376°
    Mean Anomaly (M) 213.0416° 277.2764°
    Apogee 511.884 km 502.928 km
    Perigee 481.080 km 499.866 km
    Orbit Epoch 2026-10-27T04:03:46+0000 2026-10-25T23:15:08+0000

    STARLINK-5089 & TOMORROW-S9 Collision Probability (Pc) Trend

    STARLINK-5089 & TOMORROW-S9 Collision Probability (Pc) TrendNot Available

    STARLINK-5089 & TOMORROW-S9 Miss Distance (Miss Distance) Trend

    STARLINK-5089 & TOMORROW-S9 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5089Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TOMORROW-S9Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5089Collision Probability Trend

    Object 1 Probability TrendNot Available

    TOMORROW-S9Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5089

    No nearby objects data