Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    3.091585E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T14:25:46+0800
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    1 Object 1

    AOE ID 53256
    NORAD ID 53256
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66219
    NORAD ID 66219
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4147 STARLINK-35737
    Time of Closest Approach 2026-10-22T21:59:42+0000
    Collision Probability (Pc) 3.091585E-7
    Conjunction Distance (km) 2.769 km
    Relative Speed (km/s) 0.447 km/s
    Conjunction Risk Parameters R (Radial): -0.407 | I (In-track): 2.738 | C (Cross-track): -0.076
    Collision Risk Index (CRI) 0.25
    X Position (km) -3808.533 -3809.337
    Position Y (km) 1541.93 1539.301
    Position Z (km) -5476.585 -5476.257
    Velocity X (km/s) -3.026 -2.693
    Velocity Y (km/s) -6.996 -7.131
    Velocity Z (km/s) 0.134 -0.132

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4147 STARLINK-35737
    Semimajor Axis (a) 6840.792 km 6840.831 km
    Eccentricity (e) 0.000137 0.000140
    Inclination (i) 53.1587° 53.1579°
    RAAN 257.9662° 261.2477°
    Perigee Argument 101.9801° 83.1863°
    Mean Anomaly (M) 258.1355° 276.9298°
    Apogee 463.591 km 463.651 km
    Perigee 461.719 km 461.737 km
    Orbit Epoch 2026-10-20T07:51:05+0000 2026-10-20T12:33:16+0000

    STARLINK-4147 & STARLINK-35737 Collision Probability (Pc) Trend

    STARLINK-4147 & STARLINK-35737 Collision Probability (Pc) TrendNot Available

    STARLINK-4147 & STARLINK-35737 Miss Distance (Miss Distance) Trend

    STARLINK-4147 & STARLINK-35737 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4147Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35737Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4147Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35737Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4147

    No nearby objects data