Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.459434E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T04:11:07+0800
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    1 Object 1

    AOE ID 55474
    NORAD ID 55474
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 61872
    NORAD ID 61872
    Object Type UNKNOWN
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-5689 OBJECT D
    Time of Closest Approach 2026-10-21T02:24:55+0000
    Collision Probability (Pc) 1.459434E-6
    Conjunction Distance (km) 2.729 km
    Relative Speed (km/s) 13.801 km/s
    Conjunction Risk Parameters R (Radial): -0.369 | I (In-track): 1.155 | C (Cross-track): -2.444
    Collision Risk Index (CRI) 0.38
    X Position (km) -5783.044 -5783.189
    Position Y (km) -839.741 -842.031
    Position Z (km) 3586.942 3585.466
    Velocity X (km/s) 2.972 -4.07
    Velocity Y (km/s) -6.183 0.573
    Velocity Z (km/s) 3.335 -6.423

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5689 OBJECT D
    Semimajor Axis (a) 6861.219 km 6857.016 km
    Eccentricity (e) 0.000099 0.000842
    Inclination (i) 43.0010° 97.4128°
    RAAN 158.5668° 1.9156°
    Perigee Argument 250.7842° 255.9159°
    Mean Anomaly (M) 109.2903° 104.1146°
    Apogee 483.761 km 484.650 km
    Perigee 482.403 km 473.108 km
    Orbit Epoch 2026-10-19T01:32:58+0000 2026-10-19T07:21:39+0000

    STARLINK-5689 & OBJECT D Collision Probability (Pc) Trend

    STARLINK-5689 & OBJECT D Collision Probability (Pc) TrendNot Available

    STARLINK-5689 & OBJECT D Miss Distance (Miss Distance) Trend

    STARLINK-5689 & OBJECT D Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5689Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT DMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5689Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT DCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5689

    No nearby objects data