Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.877641E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T09:07:53+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 60937
    NORAD ID 60937
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-1647 STARLINK-32259
    Time of Closest Approach 2026-10-21T16:32:54+0000
    Collision Probability (Pc) 1.877641E-6
    Conjunction Distance (km) 2.263 km
    Relative Speed (km/s) 11.958 km/s
    Conjunction Risk Parameters R (Radial): -2.262 | I (In-track): -0.003 | C (Cross-track): 0.018
    Collision Risk Index (CRI) 0.4
    X Position (km) -6448.988 -6451.128
    Position Y (km) 1330.226 1330.651
    Position Z (km) 1839.899 1840.499
    Velocity X (km/s) -2.544 0.624
    Velocity Y (km/s) -4.329 -4.982
    Velocity Z (km/s) -5.757 5.756

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-1647 STARLINK-32259
    Semimajor Axis (a) 6838.305 km 6840.864 km
    Eccentricity (e) 0.000108 0.000132
    Inclination (i) 53.1598° 53.1575°
    RAAN 6.0067° 163.8836°
    Perigee Argument 65.6141° 86.4476°
    Mean Anomaly (M) 356.7409° 273.6677°
    Apogee 460.904 km 463.628 km
    Perigee 459.432 km 461.826 km
    Orbit Epoch 2026-10-20T12:00:03+0000 2026-10-20T01:22:54+0000

    STARLINK-1647 & STARLINK-32259 Collision Probability (Pc) Trend

    STARLINK-1647 & STARLINK-32259 Collision Probability (Pc) TrendNot Available

    STARLINK-1647 & STARLINK-32259 Miss Distance (Miss Distance) Trend

    STARLINK-1647 & STARLINK-32259 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-1647Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-32259Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-1647Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-32259Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-1647

    No nearby objects data