Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.958233E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-13T06:25:39+0800
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    1 Object 1

    AOE ID 48639
    NORAD ID 48639
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    Name TROLL
    AOE ID 62658
    NORAD ID 62658
    Object Type PAYLOAD
    Country
    CZ CZ

    Conjunction Constraints

    Parameter STARLINK-2739 TROLL
    Time of Closest Approach 2026-10-13T05:46:43+0000
    Collision Probability (Pc) 1.958233E-6
    Conjunction Distance (km) 2.358 km
    Relative Speed (km/s) 14.739 km/s
    Conjunction Risk Parameters R (Radial): 0.714 | I (In-track): 0.587 | C (Cross-track): 2.169
    Collision Risk Index (CRI) 0.41
    X Position (km) 6669.041 6669.561
    Position Y (km) 1040.133 1042.316
    Position Z (km) -1175.097 -1174.378
    Velocity X (km/s) -1.735 1.427
    Velocity Y (km/s) 4.427 -0.783
    Velocity Z (km/s) -5.967 7.453

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2739 TROLL
    Semimajor Axis (a) 6848.861 km 6848.037 km
    Eccentricity (e) 0.000135 0.000088
    Inclination (i) 53.1575° 97.3825°
    RAAN 185.7807° 6.5501°
    Perigee Argument 90.4618° 46.7418°
    Mean Anomaly (M) 269.6538° 313.3897°
    Apogee 471.653 km 470.507 km
    Perigee 469.795 km 469.293 km
    Orbit Epoch 2026-10-12T07:01:07+0000 2026-10-12T04:44:26+0000

    STARLINK-2739 & TROLL Collision Probability (Pc) Trend

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

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

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

    STARLINK-2739Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TROLLMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2739Collision Probability Trend

    Object 1 Probability TrendNot Available

    TROLLCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2739

    No nearby objects data