Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    6.534868E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-23T06:58:20+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53528
    NORAD ID 53528
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63376
    NORAD ID 63376
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4503 STARLINK-33539
    Time of Closest Approach 2026-10-23T13:47:42+0000
    Collision Probability (Pc) 6.534868E-6
    Conjunction Distance (km) 1.201 km
    Relative Speed (km/s) 4.769 km/s
    Conjunction Risk Parameters R (Radial): 1.113 | I (In-track): -0.427 | C (Cross-track): -0.142
    Collision Risk Index (CRI) 0.51
    X Position (km) 4196.889 4197.678
    Position Y (km) 1039.247 1038.978
    Position Z (km) -5308.489 -5309.353
    Velocity X (km/s) -3.535 0.053
    Velocity Y (km/s) 6.585 7.472
    Velocity Z (km/s) -1.506 1.506

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4503 STARLINK-33539
    Semimajor Axis (a) 6841.791 km 6840.813 km
    Eccentricity (e) 0.000097 0.000322
    Inclination (i) 53.1594° 53.1574°
    RAAN 132.9104° 85.4168°
    Perigee Argument 63.7472° 90.4031°
    Mean Anomaly (M) 296.3630° 269.7340°
    Apogee 464.322 km 464.880 km
    Perigee 462.986 km 460.472 km
    Orbit Epoch 2026-10-22T06:58:47+0000 2026-10-22T14:40:34+0000

    STARLINK-4503 & STARLINK-33539 Collision Probability (Pc) Trend

    STARLINK-4503 & STARLINK-33539 Collision Probability (Pc) TrendNot Available

    STARLINK-4503 & STARLINK-33539 Miss Distance (Miss Distance) Trend

    STARLINK-4503 & STARLINK-33539 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4503Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33539Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4503Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33539Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4503

    No nearby objects data