Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.209911E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T13:38:43+0800
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    1 Object 1

    AOE ID 53778
    NORAD ID 53778
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63946
    NORAD ID 63946
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4709 STARLINK-34039
    Time of Closest Approach 2026-10-21T10:48:34+0000
    Collision Probability (Pc) 4.209911E-6
    Conjunction Distance (km) 1.587 km
    Relative Speed (km/s) 9.697 km/s
    Conjunction Risk Parameters R (Radial): -1.544 | I (In-track): 0.282 | C (Cross-track): -0.227
    Collision Risk Index (CRI) 0.47
    X Position (km) -420.777 -420.331
    Position Y (km) -4387.678 -4386.638
    Position Z (km) -5248.404 -5247.291
    Velocity X (km/s) 6.874 4.507
    Velocity Y (km/s) -2.774 4.532
    Velocity Z (km/s) 1.768 -4.151

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4709 STARLINK-34039
    Semimajor Axis (a) 6848.823 km 6855.146 km
    Eccentricity (e) 0.000052 0.000112
    Inclination (i) 53.1601° 70.0004°
    RAAN 341.3470° 65.5386°
    Perigee Argument 134.8712° 281.5255°
    Mean Anomaly (M) 225.2332° 32.4549°
    Apogee 471.043 km 477.778 km
    Perigee 470.329 km 476.240 km
    Orbit Epoch 2026-10-18T12:39:33+0000 2026-10-18T22:00:03+0000

    STARLINK-4709 & STARLINK-34039 Collision Probability (Pc) Trend

    STARLINK-4709 & STARLINK-34039 Collision Probability (Pc) TrendNot Available

    STARLINK-4709 & STARLINK-34039 Miss Distance (Miss Distance) Trend

    STARLINK-4709 & STARLINK-34039 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4709Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34039Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4709Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34039Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4709

    No nearby objects data