Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.550043E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T10:06:28+0800
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    1 Object 1

    AOE ID 47978
    NORAD ID 47978
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63433
    NORAD ID 63433
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-1647 STARLINK-33682
    Time of Closest Approach 2026-10-22T23:48:59+0000
    Collision Probability (Pc) 2.550043E-6
    Conjunction Distance (km) 1.99 km
    Relative Speed (km/s) 12.075 km/s
    Conjunction Risk Parameters R (Radial): -1.972 | I (In-track): -0.166 | C (Cross-track): 0.193
    Collision Risk Index (CRI) 0.43
    X Position (km) -6469.358 -6471.286
    Position Y (km) 1704.956 1705.202
    Position Z (km) 1411.567 1411.988
    Velocity X (km/s) -2.406 0.021
    Velocity Y (km/s) -4.205 -4.844
    Velocity Z (km/s) -5.906 5.905

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-1647 STARLINK-33682
    Semimajor Axis (a) 6838.305 km 6840.882 km
    Eccentricity (e) 0.000108 0.000129
    Inclination (i) 53.1598° 53.1576°
    RAAN 6.0067° 169.2468°
    Perigee Argument 65.6141° 90.5588°
    Mean Anomaly (M) 356.7409° 269.5562°
    Apogee 460.904 km 463.627 km
    Perigee 459.432 km 461.863 km
    Orbit Epoch 2026-10-20T12:00:03+0000 2026-10-20T04:32:06+0000

    STARLINK-1647 & STARLINK-33682 Collision Probability (Pc) Trend

    STARLINK-1647 & STARLINK-33682 Collision Probability (Pc) TrendNot Available

    STARLINK-1647 & STARLINK-33682 Miss Distance (Miss Distance) Trend

    STARLINK-1647 & STARLINK-33682 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-1647Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33682Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-1647Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33682Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-1647

    No nearby objects data