Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    7.664154E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-16T22:37:52+0800
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    1 Object 1

    AOE ID 53002
    NORAD ID 53002
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 54692
    NORAD ID 54692
    Object Type UNKNOWN
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-4121 OBJECT L
    Time of Closest Approach 2026-10-16T20:39:53+0000
    Collision Probability (Pc) 7.664154E-6
    Conjunction Distance (km) 1.29 km
    Relative Speed (km/s) 8.608 km/s
    Conjunction Risk Parameters R (Radial): 0.903 | I (In-track): -0.757 | C (Cross-track): 0.525
    Collision Risk Index (CRI) 0.53
    X Position (km) 1851.102 1850.786
    Position Y (km) -4480.269 -4480.446
    Position Z (km) 4812.721 4813.959
    Velocity X (km/s) 7.069 0.689
    Velocity Y (km/s) -0.198 -5.447
    Velocity Z (km/s) -2.895 -5.312

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4121 OBJECT L
    Semimajor Axis (a) 6837.869 km 6836.486 km
    Eccentricity (e) 0.000144 0.000830
    Inclination (i) 53.1597° 97.7008°
    RAAN 164.9179° 104.1518°
    Perigee Argument 105.8991° 55.0798°
    Mean Anomaly (M) 254.2171° 305.1224°
    Apogee 460.717 km 464.024 km
    Perigee 458.747 km 452.674 km
    Orbit Epoch 2026-10-15T22:16:51+0000 2026-10-16T07:34:21+0000

    STARLINK-4121 & OBJECT L Collision Probability (Pc) Trend

    STARLINK-4121 & OBJECT L Collision Probability (Pc) TrendNot Available

    STARLINK-4121 & OBJECT L Miss Distance (Miss Distance) Trend

    STARLINK-4121 & OBJECT L Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4121Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT LMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4121Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT LCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4121

    No nearby objects data