Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.529973E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-31T20:35:28+0800
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    1 Object 1

    AOE ID 55938
    NORAD ID 55938
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64586
    NORAD ID 64586
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5909 LEMUR 2 SEJONG-2
    Time of Closest Approach 2026-11-02T11:41:58+0000
    Collision Probability (Pc) 1.529973E-6
    Conjunction Distance (km) 1.879 km
    Relative Speed (km/s) 4.154 km/s
    Conjunction Risk Parameters R (Radial): 1.361 | I (In-track): -1.244 | C (Cross-track): 0.359
    Collision Risk Index (CRI) 0.39
    X Position (km) -3368.217 -3369.348
    Position Y (km) -5079.254 -5080.678
    Position Z (km) -3349.042 -3348.571
    Velocity X (km/s) 4.316 1.014
    Velocity Y (km/s) 1.165 3.644
    Velocity Z (km/s) -6.109 -6.557

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5909 LEMUR 2 SEJONG-2
    Semimajor Axis (a) 6950.416 km 6952.305 km
    Eccentricity (e) 0.000480 0.000392
    Inclination (i) 70.0019° 97.7804°
    RAAN 52.2381° 58.5214°
    Perigee Argument 275.2221° 223.7306°
    Mean Anomaly (M) 84.8390° 136.3606°
    Apogee 575.618 km 576.892 km
    Perigee 568.940 km 571.444 km
    Orbit Epoch 2026-10-30T13:51:41+0000 2026-10-31T05:51:13+0000

    STARLINK-5909 & LEMUR 2 SEJONG-2 Collision Probability (Pc) Trend

    STARLINK-5909 & LEMUR 2 SEJONG-2 Collision Probability (Pc) TrendNot Available

    STARLINK-5909 & LEMUR 2 SEJONG-2 Miss Distance (Miss Distance) Trend

    STARLINK-5909 & LEMUR 2 SEJONG-2 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5909Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LEMUR 2 SEJONG-2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5909Collision Probability Trend

    Object 1 Probability TrendNot Available

    LEMUR 2 SEJONG-2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5909

    No nearby objects data