Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.731373E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:36:55+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53777
    NORAD ID 53777
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 68338
    NORAD ID 68338
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4664 STARLINK-36254
    Time of Closest Approach 2026-10-21T05:18:42+0000
    Collision Probability (Pc) 1.731373E-6
    Conjunction Distance (km) 1.785 km
    Relative Speed (km/s) 4.095 km/s
    Conjunction Risk Parameters R (Radial): 1.722 | I (In-track): 0.456 | C (Cross-track): -0.124
    Collision Risk Index (CRI) 0.4
    X Position (km) -579.873 -579.551
    Position Y (km) -4221.965 -4223.092
    Position Z (km) -5354.804 -5356.149
    Velocity X (km/s) 7.059 7.495
    Velocity Y (km/s) -2.586 0.588
    Velocity Z (km/s) 1.275 -1.274

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4664 STARLINK-36254
    Semimajor Axis (a) 6837.862 km 6840.842 km
    Eccentricity (e) 0.000146 0.000067
    Inclination (i) 53.1590° 53.1574°
    RAAN 342.2706° 20.8268°
    Perigee Argument 87.6224° 351.6483°
    Mean Anomaly (M) 272.4946° 8.4509°
    Apogee 460.724 km 463.162 km
    Perigee 458.726 km 462.248 km
    Orbit Epoch 2026-10-19T03:39:33+0000 2026-10-19T06:51:35+0000

    STARLINK-4664 & STARLINK-36254 Collision Probability (Pc) Trend

    STARLINK-4664 & STARLINK-36254 Collision Probability (Pc) TrendNot Available

    STARLINK-4664 & STARLINK-36254 Miss Distance (Miss Distance) Trend

    STARLINK-4664 & STARLINK-36254 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4664Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36254Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4664Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36254Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4664

    No nearby objects data