Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.058354E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:48:00+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53660
    NORAD ID 53660
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65945
    NORAD ID 65945
    Object Type UNKNOWN
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-4473 OBJECT A
    Time of Closest Approach 2026-10-20T20:54:42+0000
    Collision Probability (Pc) 4.058354E-6
    Conjunction Distance (km) 1.767 km
    Relative Speed (km/s) 14.985 km/s
    Conjunction Risk Parameters R (Radial): -1.685 | I (In-track): -0.095 | C (Cross-track): 0.518
    Collision Risk Index (CRI) 0.47
    X Position (km) -1321.059 -1320.522
    Position Y (km) -564.238 -563.626
    Position Z (km) -6735.091 -6733.523
    Velocity X (km/s) -7.238 6.263
    Velocity Y (km/s) 1.933 -4.205
    Velocity Z (km/s) 1.258 -0.883

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4473 OBJECT A
    Semimajor Axis (a) 6879.227 km 6872.771 km
    Eccentricity (e) 0.000126 0.001076
    Inclination (i) 97.2840° 80.0037°
    RAAN 164.5749° 329.4601°
    Perigee Argument 117.9867° 136.9366°
    Mean Anomaly (M) 242.1497° 223.2707°
    Apogee 501.959 km 502.033 km
    Perigee 500.221 km 487.235 km
    Orbit Epoch 2026-10-19T02:39:14+0000 2026-10-19T05:56:10+0000

    STARLINK-4473 & OBJECT A Collision Probability (Pc) Trend

    STARLINK-4473 & OBJECT A Collision Probability (Pc) TrendNot Available

    STARLINK-4473 & OBJECT A Miss Distance (Miss Distance) Trend

    STARLINK-4473 & OBJECT A Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4473Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT AMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4473Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT ACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4473

    No nearby objects data