Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.205458E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T06:03:46+0800
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    1 Object 1

    AOE ID 56309
    NORAD ID 56309
    Object Type PAYLOAD
    Country
    SG SG
    ← VS →

    2 Object 2

    Name M-SEL
    AOE ID 63231
    NORAD ID 63231
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter LUMELITE 4 M-SEL
    Time of Closest Approach 2026-10-21T20:04:20+0000
    Collision Probability (Pc) 3.205458E-6
    Conjunction Distance (km) 1.771 km
    Relative Speed (km/s) 10.54 km/s
    Conjunction Risk Parameters R (Radial): 0.277 | I (In-track): 1.271 | C (Cross-track): 1.201
    Collision Risk Index (CRI) 0.45
    X Position (km) 6814.876 6814.757
    Position Y (km) 817.733 816.683
    Position Z (km) -160.354 -158.934
    Velocity X (km/s) -0.925 -0.045
    Velocity Y (km/s) 7.455 -0.99
    Velocity Z (km/s) -1.312 -7.556

    Orbital Parameters 国际轨道数据源

    Parameter LUMELITE 4 M-SEL
    Semimajor Axis (a) 6871.308 km 6860.355 km
    Eccentricity (e) 0.000403 0.000665
    Inclination (i) 9.9901° 97.3737°
    RAAN 198.3373° 184.3816°
    Perigee Argument 163.1726° 76.4672°
    Mean Anomaly (M) 196.8624° 283.7308°
    Apogee 495.939 km 486.782 km
    Perigee 490.403 km 477.654 km
    Orbit Epoch 2026-10-19T07:34:53+0000 2026-10-19T04:24:35+0000

    LUMELITE 4 & M-SEL Collision Probability (Pc) Trend

    LUMELITE 4 & M-SEL Collision Probability (Pc) TrendNot Available

    LUMELITE 4 & M-SEL Miss Distance (Miss Distance) Trend

    LUMELITE 4 & M-SEL Miss Distance (Miss Distance) TrendNot Available

    LUMELITE 4Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    M-SELMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    LUMELITE 4Collision Probability Trend

    Object 1 Probability TrendNot Available

    M-SELCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with LUMELITE 4

    No nearby objects data