Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.389166E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T09:00:35+0800
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    1 Object 1

    AOE ID 42837
    NORAD ID 42837
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 47839
    NORAD ID 47839
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter LEMUR 2 GREENBERG STARLINK-2431
    Time of Closest Approach 2026-10-21T09:41:51+0000
    Collision Probability (Pc) 1.389166E-6
    Conjunction Distance (km) 2.814 km
    Relative Speed (km/s) 13.674 km/s
    Conjunction Risk Parameters R (Radial): -2.79 | I (In-track): -0.159 | C (Cross-track): 0.329
    Collision Risk Index (CRI) 0.38
    X Position (km) 2498.021 2499.372
    Position Y (km) -3822.287 -3823.829
    Position Z (km) 5090.581 5092.508
    Velocity X (km/s) 1.822 4.372
    Velocity Y (km/s) -5.474 5.845
    Velocity Z (km/s) -4.997 2.237

    Orbital Parameters 国际轨道数据源

    Parameter LEMUR 2 GREENBERG STARLINK-2431
    Semimajor Axis (a) 6839.167 km 6848.709 km
    Eccentricity (e) 0.000665 0.000145
    Inclination (i) 97.3857° 53.1580°
    RAAN 113.1953° 256.2512°
    Perigee Argument 281.0632° 82.7857°
    Mean Anomaly (M) 78.9863° 277.3309°
    Apogee 465.577 km 471.563 km
    Perigee 456.483 km 469.581 km
    Orbit Epoch 2026-10-19T18:00:49+0000 2026-10-19T07:17:25+0000

    LEMUR 2 GREENBERG & STARLINK-2431 Collision Probability (Pc) Trend

    LEMUR 2 GREENBERG & STARLINK-2431 Collision Probability (Pc) TrendNot Available

    LEMUR 2 GREENBERG & STARLINK-2431 Miss Distance (Miss Distance) Trend

    LEMUR 2 GREENBERG & STARLINK-2431 Miss Distance (Miss Distance) TrendNot Available

    LEMUR 2 GREENBERGMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-2431Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    LEMUR 2 GREENBERGCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-2431Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with LEMUR 2 GREENBERG

    No nearby objects data