Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.390835E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-23T12:42:39+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 49425
    NORAD ID 49425
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter LEMUR 2 MONSON STARLINK-3139
    Time of Closest Approach 2026-10-23T08:54:06+0000
    Collision Probability (Pc) 1.390835E-6
    Conjunction Distance (km) 2.871 km
    Relative Speed (km/s) 14.355 km/s
    Conjunction Risk Parameters R (Radial): 1.068 | I (In-track): -0.893 | C (Cross-track): -2.51
    Collision Risk Index (CRI) 0.38
    X Position (km) -2915.85 -2917.781
    Position Y (km) 4631.061 4629.758
    Position Z (km) -4128.205 -4126.528
    Velocity X (km/s) -1.372 -3.229
    Velocity Y (km/s) 4.49 -5.614
    Velocity Z (km/s) 6.005 -4.021

    Orbital Parameters 国际轨道数据源

    Parameter LEMUR 2 MONSON STARLINK-3139
    Semimajor Axis (a) 6850.146 km 6848.869 km
    Eccentricity (e) 0.000482 0.000161
    Inclination (i) 97.4114° 53.1598°
    RAAN 115.1305° 272.5462°
    Perigee Argument 263.6496° 87.4779°
    Mean Anomaly (M) 96.4197° 272.6407°
    Apogee 475.309 km 471.837 km
    Perigee 468.709 km 469.627 km
    Orbit Epoch 2026-10-21T22:33:44+0000 2026-10-22T08:25:03+0000

    LEMUR 2 MONSON & STARLINK-3139 Collision Probability (Pc) Trend

    LEMUR 2 MONSON & STARLINK-3139 Collision Probability (Pc) TrendNot Available

    LEMUR 2 MONSON & STARLINK-3139 Miss Distance (Miss Distance) Trend

    LEMUR 2 MONSON & STARLINK-3139 Miss Distance (Miss Distance) TrendNot Available

    LEMUR 2 MONSONMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3139Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    LEMUR 2 MONSONCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3139Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with LEMUR 2 MONSON

    No nearby objects data