Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.587247E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T02:45:57+0800
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    1 Object 1

    AOE ID 47981
    NORAD ID 47981
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 48639
    NORAD ID 48639
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2303 STARLINK-2739
    Time of Closest Approach 2026-10-20T11:40:47+0000
    Collision Probability (Pc) 4.587247E-6
    Conjunction Distance (km) 1.602 km
    Relative Speed (km/s) 11.526 km/s
    Conjunction Risk Parameters R (Radial): 0.866 | I (In-track): 0.878 | C (Cross-track): 1.023
    Collision Risk Index (CRI) 0.48
    X Position (km) 6107.658 6106.578
    Position Y (km) -1418.02 -1419.153
    Position Z (km) -2762.613 -2762.271
    Velocity X (km/s) 3.389 -1.128
    Velocity Y (km/s) 4.342 5.392
    Velocity Z (km/s) 5.276 -5.276

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2303 STARLINK-2739
    Semimajor Axis (a) 6848.270 km 6848.581 km
    Eccentricity (e) 0.000146 0.000190
    Inclination (i) 53.1588° 53.1589°
    RAAN 11.9676° 153.5794°
    Perigee Argument 65.0466° 141.9773°
    Mean Anomaly (M) 295.0686° 218.1363°
    Apogee 471.131 km 471.745 km
    Perigee 469.135 km 469.143 km
    Orbit Epoch 2026-10-19T06:03:42+0000 2026-10-19T05:00:57+0000

    STARLINK-2303 & STARLINK-2739 Collision Probability (Pc) Trend

    STARLINK-2303 & STARLINK-2739 Collision Probability (Pc) TrendNot Available

    STARLINK-2303 & STARLINK-2739 Miss Distance (Miss Distance) Trend

    STARLINK-2303 & STARLINK-2739 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2303Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-2739Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2303Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-2739Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2303

    No nearby objects data