Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.557158E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T03:29:13+0800
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    1 Object 1

    AOE ID 57180
    NORAD ID 57180
    Object Type UNKNOWN
    Country
    TBD TBD
    ← VS →

    2 Object 2

    AOE ID 59496
    NORAD ID 59496
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter OBJECT Q STARLINK-31728
    Time of Closest Approach 2026-10-28T17:28:59+0000
    Collision Probability (Pc) 1.557158E-6
    Conjunction Distance (km) 2.475 km
    Relative Speed (km/s) 11.723 km/s
    Conjunction Risk Parameters R (Radial): 0.18 | I (In-track): 1.575 | C (Cross-track): 1.901
    Collision Risk Index (CRI) 0.39
    X Position (km) -4878.319 -4879.334
    Position Y (km) -1154.189 -1156.062
    Position Z (km) 4676.344 4675.085
    Velocity X (km/s) -5.302 1.776
    Velocity Y (km/s) 0.142 -7.417
    Velocity Z (km/s) -5.475 0.019

    Orbital Parameters 国际轨道数据源

    Parameter OBJECT Q STARLINK-31728
    Semimajor Axis (a) 6853.512 km 6861.164 km
    Eccentricity (e) 0.001059 0.000243
    Inclination (i) 97.4933° 43.0147°
    RAAN 4.7821° 112.2069°
    Perigee Argument 1.4545° 231.1414°
    Mean Anomaly (M) 358.6725° 128.9221°
    Apogee 482.633 km 484.692 km
    Perigee 468.117 km 481.362 km
    Orbit Epoch 2026-10-27T06:21:38+0000 2026-10-27T04:59:57+0000

    OBJECT Q & STARLINK-31728 Collision Probability (Pc) Trend

    OBJECT Q & STARLINK-31728 Collision Probability (Pc) TrendNot Available

    OBJECT Q & STARLINK-31728 Miss Distance (Miss Distance) Trend

    OBJECT Q & STARLINK-31728 Miss Distance (Miss Distance) TrendNot Available

    OBJECT QMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31728Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OBJECT QCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31728Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OBJECT Q

    No nearby objects data