Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.23921E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T05:01:19+0800
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    1 Object 1

    AOE ID 53844
    NORAD ID 53844
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59223
    NORAD ID 59223
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4745 STARLINK-31420
    Time of Closest Approach 2026-10-19T22:17:52+0000
    Collision Probability (Pc) 1.23921E-6
    Conjunction Distance (km) 2.918 km
    Relative Speed (km/s) 12.178 km/s
    Conjunction Risk Parameters R (Radial): -2.847 | I (In-track): -0.382 | C (Cross-track): 0.512
    Collision Risk Index (CRI) 0.37
    X Position (km) -6740.038 -6742.764
    Position Y (km) -847.788 -848.774
    Position Z (km) -796.657 -796.992
    Velocity X (km/s) 1.272 -0.121
    Velocity Y (km/s) -4.485 -4.659
    Velocity Z (km/s) -6.049 6.047

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4745 STARLINK-31420
    Semimajor Axis (a) 6837.860 km 6840.873 km
    Eccentricity (e) 0.000144 0.000123
    Inclination (i) 53.1579° 53.1571°
    RAAN 5.3327° 196.4765°
    Perigee Argument 89.9460° 75.6174°
    Mean Anomaly (M) 270.1708° 284.4964°
    Apogee 460.707 km 463.575 km
    Perigee 458.739 km 461.897 km
    Orbit Epoch 2026-10-19T05:51:33+0000 2026-10-19T00:26:55+0000

    STARLINK-4745 & STARLINK-31420 Collision Probability (Pc) Trend

    STARLINK-4745 & STARLINK-31420 Collision Probability (Pc) TrendNot Available

    STARLINK-4745 & STARLINK-31420 Miss Distance (Miss Distance) Trend

    STARLINK-4745 & STARLINK-31420 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4745Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31420Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4745Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31420Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4745

    No nearby objects data