Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.165163E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T09:17:53+0800
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    1 Object 1

    AOE ID 53251
    NORAD ID 53251
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 54686
    NORAD ID 54686
    Object Type UNKNOWN
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-4129 OBJECT E
    Time of Closest Approach 2026-10-22T03:05:01+0000
    Collision Probability (Pc) 4.165163E-6
    Conjunction Distance (km) 1.712 km
    Relative Speed (km/s) 13.54 km/s
    Conjunction Risk Parameters R (Radial): 0.957 | I (In-track): 0.644 | C (Cross-track): 1.266
    Collision Risk Index (CRI) 0.47
    X Position (km) -2079.663 -2081.241
    Position Y (km) 3964.478 3965.13
    Position Z (km) -5179.803 -5179.935
    Velocity X (km/s) -5.127 -1.239
    Velocity Y (km/s) -5.283 5.718
    Velocity Z (km/s) -1.987 4.884

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4129 OBJECT E
    Semimajor Axis (a) 6840.905 km 6836.733 km
    Eccentricity (e) 0.000133 0.000908
    Inclination (i) 53.1593° 97.6946°
    RAAN 250.8249° 106.3242°
    Perigee Argument 100.2302° 86.0544°
    Mean Anomaly (M) 259.8851° 274.1737°
    Apogee 463.679 km 464.804 km
    Perigee 461.857 km 452.388 km
    Orbit Epoch 2026-10-19T06:46:25+0000 2026-10-19T20:34:14+0000

    STARLINK-4129 & OBJECT E Collision Probability (Pc) Trend

    STARLINK-4129 & OBJECT E Collision Probability (Pc) TrendNot Available

    STARLINK-4129 & OBJECT E Miss Distance (Miss Distance) Trend

    STARLINK-4129 & OBJECT E Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4129Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT EMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4129Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT ECollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4129

    No nearby objects data