Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.414843E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T14:09:50+0800
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    1 Object 1

    AOE ID 53674
    NORAD ID 53674
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59905
    NORAD ID 59905
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4620 STARLINK-31898
    Time of Closest Approach 2026-10-20T06:49:33+0000
    Collision Probability (Pc) 1.414843E-6
    Conjunction Distance (km) 2.742 km
    Relative Speed (km/s) 13.243 km/s
    Conjunction Risk Parameters R (Radial): 2.734 | I (In-track): -0.113 | C (Cross-track): 0.18
    Collision Risk Index (CRI) 0.38
    X Position (km) 5322.753 5320.734
    Position Y (km) -790.904 -790.432
    Position Z (km) 4252.484 4250.69
    Velocity X (km/s) 4.442 -0.649
    Velocity Y (km/s) -1.906 7.285
    Velocity Z (km/s) -5.897 2.163

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4620 STARLINK-31898
    Semimajor Axis (a) 6862.688 km 6861.173 km
    Eccentricity (e) 0.000172 0.000153
    Inclination (i) 97.2849° 43.0037°
    RAAN 164.4109° 303.6083°
    Perigee Argument 90.9094° 271.6825°
    Mean Anomaly (M) 95.6623° 88.3851°
    Apogee 485.731 km 484.088 km
    Perigee 483.371 km 481.984 km
    Orbit Epoch 2026-10-18T22:00:03+0000 2026-10-18T12:10:15+0000

    STARLINK-4620 & STARLINK-31898 Collision Probability (Pc) Trend

    STARLINK-4620 & STARLINK-31898 Collision Probability (Pc) TrendNot Available

    STARLINK-4620 & STARLINK-31898 Miss Distance (Miss Distance) Trend

    STARLINK-4620 & STARLINK-31898 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4620Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31898Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4620Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31898Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4620

    No nearby objects data