Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.146342E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T15:34:28+0800
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    1 Object 1

    AOE ID 48148
    NORAD ID 48148
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 49435
    NORAD ID 49435
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2491 STARLINK-3117
    Time of Closest Approach 2026-10-28T08:35:48+0000
    Collision Probability (Pc) 5.146342E-6
    Conjunction Distance (km) 1.402 km
    Relative Speed (km/s) 7.215 km/s
    Conjunction Risk Parameters R (Radial): 1.401 | I (In-track): 0.034 | C (Cross-track): -0.023
    Collision Risk Index (CRI) 0.49
    X Position (km) -1504.645 -1504.991
    Position Y (km) 4407.681 4408.566
    Position Z (km) -5012.215 -5013.244
    Velocity X (km/s) -7.214 -5.506
    Velocity Y (km/s) 0.329 -4.671
    Velocity Z (km/s) 2.457 -2.456

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2491 STARLINK-3117
    Semimajor Axis (a) 6837.202 km 6837.802 km
    Eccentricity (e) 0.000093 0.000138
    Inclination (i) 53.1604° 53.1594°
    RAAN 169.2859° 241.4208°
    Perigee Argument 56.8909° 83.0490°
    Mean Anomaly (M) 303.2184° 211.7075°
    Apogee 459.704 km 460.611 km
    Perigee 458.426 km 458.719 km
    Orbit Epoch 2026-10-26T22:31:17+0000 2026-10-27T00:00:02+0000

    STARLINK-2491 & STARLINK-3117 Collision Probability (Pc) Trend

    STARLINK-2491 & STARLINK-3117 Collision Probability (Pc) TrendNot Available

    STARLINK-2491 & STARLINK-3117 Miss Distance (Miss Distance) Trend

    STARLINK-2491 & STARLINK-3117 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2491Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3117Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2491Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3117Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2491

    No nearby objects data