Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    6.968457E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:18:11+0800
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    1 Object 1

    AOE ID 52457
    NORAD ID 52457
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66153
    NORAD ID 66153
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3899 STARLINK-34752
    Time of Closest Approach 2026-10-21T21:31:29+0000
    Collision Probability (Pc) 6.968457E-7
    Conjunction Distance (km) 2.759 km
    Relative Speed (km/s) 3.765 km/s
    Conjunction Risk Parameters R (Radial): 2.005 | I (In-track): -1.836 | C (Cross-track): -0.466
    Collision Risk Index (CRI) 0.32
    X Position (km) 4089.679 4091.373
    Position Y (km) 1106.023 1104.519
    Position Z (km) -5375.115 -5376.689
    Velocity X (km/s) -3.355 -0.5
    Velocity Y (km/s) 6.747 7.518
    Velocity Z (km/s) -1.166 1.165

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3899 STARLINK-34752
    Semimajor Axis (a) 6837.888 km 6840.814 km
    Eccentricity (e) 0.000230 0.000110
    Inclination (i) 53.1568° 53.1555°
    RAAN 136.7216° 99.8881°
    Perigee Argument 98.3400° 76.8102°
    Mean Anomaly (M) 261.7864° 283.3023°
    Apogee 461.324 km 463.430 km
    Perigee 458.178 km 461.924 km
    Orbit Epoch 2026-10-18T23:39:49+0000 2026-10-19T04:12:52+0000

    STARLINK-3899 & STARLINK-34752 Collision Probability (Pc) Trend

    STARLINK-3899 & STARLINK-34752 Collision Probability (Pc) TrendNot Available

    STARLINK-3899 & STARLINK-34752 Miss Distance (Miss Distance) Trend

    STARLINK-3899 & STARLINK-34752 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3899Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34752Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3899Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34752Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3899

    No nearby objects data