Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.680576E-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 2026-10-28T04:41:29+0000
    Collision Probability (Pc) 3.680576E-6
    Conjunction Distance (km) 1.557 km
    Relative Speed (km/s) 7.228 km/s
    Conjunction Risk Parameters R (Radial): 0.365 | I (In-track): -1.335 | C (Cross-track): -0.711
    Collision Risk Index (CRI) 0.46
    X Position (km) 1561.302 1559.959
    Position Y (km) -4379.789 -4380.527
    Position Z (km) 5003.358 5003.628
    Velocity X (km/s) 7.231 5.453
    Velocity Y (km/s) -0.237 4.756
    Velocity Z (km/s) -2.457 2.457

    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