Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.357534E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T15:02:51+0800
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    1 Object 1

    AOE ID 48651
    NORAD ID 48651
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53979
    NORAD ID 53979
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2731 STARLINK-5123
    Time of Closest Approach 2026-10-19T08:58:26+0000
    Collision Probability (Pc) 3.357534E-6
    Conjunction Distance (km) 1.763 km
    Relative Speed (km/s) 11.099 km/s
    Conjunction Risk Parameters R (Radial): -0.557 | I (In-track): 1.156 | C (Cross-track): -1.208
    Collision Risk Index (CRI) 0.46
    X Position (km) 3690.255 3689.243
    Position Y (km) -4699.731 -4701.149
    Position Z (km) 3337.814 3338.078
    Velocity X (km/s) 5.8 2.449
    Velocity Y (km/s) 1.102 5.371
    Velocity Z (km/s) -4.84 4.841

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2731 STARLINK-5123
    Semimajor Axis (a) 6848.397 km 6848.884 km
    Eccentricity (e) 0.000271 0.000062
    Inclination (i) 53.1600° 53.1620°
    RAAN 159.3993° 293.1222°
    Perigee Argument 56.6301° 53.2588°
    Mean Anomaly (M) 303.4960° 306.8471°
    Apogee 472.118 km 471.174 km
    Perigee 468.402 km 470.320 km
    Orbit Epoch 2026-10-17T23:28:24+0000 2026-10-17T06:41:54+0000

    STARLINK-2731 & STARLINK-5123 Collision Probability (Pc) Trend

    STARLINK-2731 & STARLINK-5123 Collision Probability (Pc) TrendNot Available

    STARLINK-2731 & STARLINK-5123 Miss Distance (Miss Distance) Trend

    STARLINK-2731 & STARLINK-5123 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2731Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5123Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2731Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5123Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2731

    No nearby objects data