Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.063611E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T04:14:03+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) 2.063611E-6
    Conjunction Distance (km) 2.095 km
    Relative Speed (km/s) 10.54 km/s
    Conjunction Risk Parameters R (Radial): -0.346 | I (In-track): -1.485 | C (Cross-track): 1.436
    Collision Risk Index (CRI) 0.41
    X Position (km) 6814.916 6814.755
    Position Y (km) 817.895 816.651
    Position Z (km) -160.86 -159.183
    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) 6871.316 km 6860.355 km
    Eccentricity (e) 0.000391 0.000665
    Inclination (i) 9.9910° 97.3737°
    RAAN 199.3079° 184.3816°
    Perigee Argument 159.8571° 76.4672°
    Mean Anomaly (M) 200.1799° 283.7308°
    Apogee 495.863 km 486.782 km
    Perigee 490.495 km 477.654 km
    Orbit Epoch 2026-10-19T04:26:27+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