Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    9.209444E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T00:24:04+0800
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    1 Object 1

    AOE ID 42839
    NORAD ID 42839
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 57970
    NORAD ID 57970
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter LEMUR 2 MONSON STARLINK-30494
    Time of Closest Approach 2026-09-04T18:33:56+0000
    Collision Probability (Pc) 9.209444E-6
    Conjunction Distance (km) 1.355 km
    Relative Speed (km/s) 14.295 km/s
    Conjunction Risk Parameters R (Radial): 0.951 | I (In-track): -0.346 | C (Cross-track): -0.901
    Collision Risk Index (CRI) 0.54
    X Position (km) -2679.722 -2680.908
    Position Y (km) -6164.31 -6164.911
    Position Z (km) -1375.089 -1374.826
    Velocity X (km/s) -0.321 4.814
    Velocity Y (km/s) 1.778 -3.198
    Velocity Z (km/s) -7.404 4.973

    Orbital Parameters 国际轨道数据源

    Parameter LEMUR 2 MONSON STARLINK-30494
    Semimajor Axis (a) 6853.972 km 6861.204 km
    Eccentricity (e) 0.000771 0.000125
    Inclination (i) 97.4124° 43.0018°
    RAAN 65.2559° 277.9971°
    Perigee Argument 83.1339° 271.9665°
    Mean Anomaly (M) 277.0779° 88.1043°
    Apogee 481.122 km 483.927 km
    Perigee 470.548 km 482.207 km
    Orbit Epoch 2026-09-01T23:48:28+0000 2026-09-01T10:36:27+0000

    LEMUR 2 MONSON & STARLINK-30494 Collision Probability (Pc) Trend

    LEMUR 2 MONSON & STARLINK-30494 Collision Probability (Pc) TrendNot Available

    LEMUR 2 MONSON & STARLINK-30494 Miss Distance (Miss Distance) Trend

    LEMUR 2 MONSON & STARLINK-30494 Miss Distance (Miss Distance) TrendNot Available

    LEMUR 2 MONSONMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30494Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    LEMUR 2 MONSONCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30494Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with LEMUR 2 MONSON

    No nearby objects data