Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.308415E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T16:19:19+0800
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    1 Object 1

    AOE ID 53390
    NORAD ID 53390
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 57673
    NORAD ID 57673
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4517 STARLINK-30316
    Time of Closest Approach 2026-10-31T13:01:43+0000
    Collision Probability (Pc) 1.308415E-6
    Conjunction Distance (km) 2.196 km
    Relative Speed (km/s) 5.88 km/s
    Conjunction Risk Parameters R (Radial): 2.195 | I (In-track): -0.039 | C (Cross-track): 0.014
    Collision Risk Index (CRI) 0.37
    X Position (km) 1615.171 1615.727
    Position Y (km) 4145.245 4146.557
    Position Z (km) -5200.333 -5202.003
    Velocity X (km/s) -5.745 -7.366
    Velocity Y (km/s) 4.636 0.474
    Velocity Z (km/s) 1.912 -1.912

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4517 STARLINK-30316
    Semimajor Axis (a) 6837.868 km 6840.913 km
    Eccentricity (e) 0.000153 0.000099
    Inclination (i) 53.1593° 53.1599°
    RAAN 143.8835° 204.1641°
    Perigee Argument 97.7629° 135.1959°
    Mean Anomaly (M) 262.3549° 224.9124°
    Apogee 460.780 km 463.452 km
    Perigee 458.682 km 462.100 km
    Orbit Epoch 2026-10-28T13:28:41+0000 2026-10-27T23:31:10+0000

    STARLINK-4517 & STARLINK-30316 Collision Probability (Pc) Trend

    STARLINK-4517 & STARLINK-30316 Collision Probability (Pc) TrendNot Available

    STARLINK-4517 & STARLINK-30316 Miss Distance (Miss Distance) Trend

    STARLINK-4517 & STARLINK-30316 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4517Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30316Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4517Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30316Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4517

    No nearby objects data