Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.56767E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T21:41:07+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53408
    NORAD ID 53408
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66206
    NORAD ID 66206
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4491 STARLINK-35748
    Time of Closest Approach 2026-10-23T16:51:44+0000
    Collision Probability (Pc) 1.56767E-6
    Conjunction Distance (km) 2.206 km
    Relative Speed (km/s) 8.113 km/s
    Conjunction Risk Parameters R (Radial): 1.183 | I (In-track): 1.581 | C (Cross-track): 0.985
    Collision Risk Index (CRI) 0.39
    X Position (km) 2010.804 2012.846
    Position Y (km) -4396.057 -4396.046
    Position Z (km) 4826.615 4827.448
    Velocity X (km/s) 7.082 4.693
    Velocity Y (km/s) 0.084 5.305
    Velocity Z (km/s) -2.866 2.865

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4491 STARLINK-35748
    Semimajor Axis (a) 6837.857 km 6840.758 km
    Eccentricity (e) 0.000112 0.000286
    Inclination (i) 53.1607° 53.1583°
    RAAN 176.2512° 257.4567°
    Perigee Argument 82.4331° 82.3375°
    Mean Anomaly (M) 277.6799° 277.7952°
    Apogee 460.486 km 464.575 km
    Perigee 458.954 km 460.667 km
    Orbit Epoch 2026-10-20T21:10:31+0000 2026-10-21T06:45:31+0000

    STARLINK-4491 & STARLINK-35748 Collision Probability (Pc) Trend

    STARLINK-4491 & STARLINK-35748 Collision Probability (Pc) TrendNot Available

    STARLINK-4491 & STARLINK-35748 Miss Distance (Miss Distance) Trend

    STARLINK-4491 & STARLINK-35748 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4491Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35748Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4491Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35748Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4491

    No nearby objects data