Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.519398E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:49:07+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53609
    NORAD ID 53609
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66353
    NORAD ID 66353
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4660 STARLINK-35869
    Time of Closest Approach 2026-10-21T22:19:34+0000
    Collision Probability (Pc) 1.519398E-6
    Conjunction Distance (km) 1.661 km
    Relative Speed (km/s) 2.319 km/s
    Conjunction Risk Parameters R (Radial): -0.45 | I (In-track): 1.58 | C (Cross-track): -0.24
    Collision Risk Index (CRI) 0.39
    X Position (km) 4146.887 4146.626
    Position Y (km) -37.042 -35.442
    Position Z (km) 5430.415 5430.059
    Velocity X (km/s) -0.857 0.986
    Velocity Y (km/s) 7.558 7.543
    Velocity Z (km/s) 0.704 -0.702

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4660 STARLINK-35869
    Semimajor Axis (a) 6840.794 km 6840.729 km
    Eccentricity (e) 0.000124 0.000101
    Inclination (i) 53.1586° 53.1551°
    RAAN 293.9170° 270.8599°
    Perigee Argument 87.8197° 88.3756°
    Mean Anomaly (M) 272.2948° 271.7362°
    Apogee 463.506 km 463.282 km
    Perigee 461.808 km 461.902 km
    Orbit Epoch 2026-10-19T01:10:59+0000 2026-10-19T07:22:59+0000

    STARLINK-4660 & STARLINK-35869 Collision Probability (Pc) Trend

    STARLINK-4660 & STARLINK-35869 Collision Probability (Pc) TrendNot Available

    STARLINK-4660 & STARLINK-35869 Miss Distance (Miss Distance) Trend

    STARLINK-4660 & STARLINK-35869 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4660Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35869Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4660Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35869Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4660

    No nearby objects data