Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.017873E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T20:46:48+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 51121
    NORAD ID 51121
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64747
    NORAD ID 64747
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3399 STARLINK-34589
    Time of Closest Approach 2026-10-29T11:57:47+0000
    Collision Probability (Pc) 4.017873E-6
    Conjunction Distance (km) 1.687 km
    Relative Speed (km/s) 11.98 km/s
    Conjunction Risk Parameters R (Radial): -1.495 | I (In-track): 0.49 | C (Cross-track): -0.608
    Collision Risk Index (CRI) 0.47
    X Position (km) -5584.434 -5585.235
    Position Y (km) 3544.117 3545.549
    Position Z (km) -1751.651 -1752.04
    Velocity X (km/s) -1.246 -3.826
    Velocity Y (km/s) -4.814 -3.177
    Velocity Z (km/s) -5.792 5.79

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3399 STARLINK-34589
    Semimajor Axis (a) 6843.905 km 6840.815 km
    Eccentricity (e) 0.000140 0.000121
    Inclination (i) 53.1713° 53.1596°
    RAAN 326.6583° 171.2129°
    Perigee Argument 86.2762° 105.7508°
    Mean Anomaly (M) 287.5047° 254.3628°
    Apogee 466.728 km 463.504 km
    Perigee 464.808 km 461.852 km
    Orbit Epoch 2026-10-27T06:00:04+0000 2026-10-26T21:31:01+0000

    STARLINK-3399 & STARLINK-34589 Collision Probability (Pc) Trend

    STARLINK-3399 & STARLINK-34589 Collision Probability (Pc) TrendNot Available

    STARLINK-3399 & STARLINK-34589 Miss Distance (Miss Distance) Trend

    STARLINK-3399 & STARLINK-34589 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3399Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34589Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3399Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34589Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3399

    No nearby objects data