Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.867159E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:09:41+0800
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    1 Object 1

    AOE ID 51756
    NORAD ID 51756
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 54170
    NORAD ID 54170
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3513 STARLINK-5155
    Time of Closest Approach 2026-10-20T02:41:57+0000
    Collision Probability (Pc) 7.867159E-7
    Conjunction Distance (km) 2.948 km
    Relative Speed (km/s) 5.509 km/s
    Conjunction Risk Parameters R (Radial): -2.219 | I (In-track): -1.81 | C (Cross-track): 0.696
    Collision Risk Index (CRI) 0.33
    X Position (km) 2099.095 2096.706
    Position Y (km) -3873.585 -3873.249
    Position Z (km) -5243.58 -5241.885
    Velocity X (km/s) 7.254 5.248
    Velocity Y (km/s) 1.531 5.239
    Velocity Z (km/s) 1.774 -1.773

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3513 STARLINK-5155
    Semimajor Axis (a) 6843.361 km 6840.884 km
    Eccentricity (e) 0.000107 0.000146
    Inclination (i) 53.1629° 53.1580°
    RAAN 5.8012° 60.0413°
    Perigee Argument 84.3270° 89.1254°
    Mean Anomaly (M) 275.7854° 270.9916°
    Apogee 465.957 km 463.747 km
    Perigee 464.491 km 461.747 km
    Orbit Epoch 2026-10-19T05:07:11+0000 2026-10-19T02:09:06+0000

    STARLINK-3513 & STARLINK-5155 Collision Probability (Pc) Trend

    STARLINK-3513 & STARLINK-5155 Collision Probability (Pc) TrendNot Available

    STARLINK-3513 & STARLINK-5155 Miss Distance (Miss Distance) Trend

    STARLINK-3513 & STARLINK-5155 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3513Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5155Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3513Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5155Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3513

    No nearby objects data