Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.55607E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T00:24:06+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 59195
    NORAD ID 59195
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter LEMUR 2 MONSON STARLINK-31554
    Time of Closest Approach 2026-09-04T23:49:16+0000
    Collision Probability (Pc) 5.55607E-6
    Conjunction Distance (km) 1.505 km
    Relative Speed (km/s) 11.381 km/s
    Conjunction Risk Parameters R (Radial): 1.097 | I (In-track): -0.685 | C (Cross-track): 0.769
    Collision Risk Index (CRI) 0.5
    X Position (km) 1285.902 1286.581
    Position Y (km) 4863.152 4863.234
    Position Z (km) -4668.438 -4669.778
    Velocity X (km/s) 2.598 -7.271
    Velocity Y (km/s) 4.582 2.246
    Velocity Z (km/s) 5.5 0.336

    Orbital Parameters 国际轨道数据源

    Parameter LEMUR 2 MONSON STARLINK-31554
    Semimajor Axis (a) 6853.972 km 6861.221 km
    Eccentricity (e) 0.000771 0.000100
    Inclination (i) 97.4124° 43.0019°
    RAAN 65.2559° 177.7611°
    Perigee Argument 83.1339° 264.8766°
    Mean Anomaly (M) 277.0779° 95.1971°
    Apogee 481.122 km 483.772 km
    Perigee 470.548 km 482.396 km
    Orbit Epoch 2026-09-01T23:48:28+0000 2026-09-01T20:52:21+0000

    LEMUR 2 MONSON & STARLINK-31554 Collision Probability (Pc) Trend

    LEMUR 2 MONSON & STARLINK-31554 Collision Probability (Pc) TrendNot Available

    LEMUR 2 MONSON & STARLINK-31554 Miss Distance (Miss Distance) Trend

    LEMUR 2 MONSON & STARLINK-31554 Miss Distance (Miss Distance) TrendNot Available

    LEMUR 2 MONSONMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31554Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    LEMUR 2 MONSONCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31554Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with LEMUR 2 MONSON

    No nearby objects data