Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.797146E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T21:40:19+0800
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    1 Object 1

    AOE ID 13403
    NORAD ID 13403
    Object Type ROCKET BODY
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 58238
    NORAD ID 58238
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SL-3 R/B STARLINK-30817
    Time of Closest Approach 2026-09-11T15:12:21+0000
    Collision Probability (Pc) 1.797146E-6
    Conjunction Distance (km) 1.871 km
    Relative Speed (km/s) 5.346 km/s
    Conjunction Risk Parameters R (Radial): 1.737 | I (In-track): 0.655 | C (Cross-track): 0.238
    Collision Risk Index (CRI) 0.4
    X Position (km) -5957.329 -5958.8
    Position Y (km) 2635.746 2636.024
    Position Z (km) -2152.898 -2154.019
    Velocity X (km/s) 1.667 -0.982
    Velocity Y (km/s) -2.088 -5.985
    Velocity Z (km/s) -7.143 -4.618

    Orbital Parameters 国际轨道数据源

    Parameter SL-3 R/B STARLINK-30817
    Semimajor Axis (a) 6864.576 km 6861.214 km
    Eccentricity (e) 0.002261 0.000130
    Inclination (i) 81.1486° 43.0026°
    RAAN 333.6122° 317.7893°
    Perigee Argument 255.3829° 269.2106°
    Mean Anomaly (M) 104.4898° 90.8597°
    Apogee 501.958 km 483.970 km
    Perigee 470.920 km 482.184 km
    Orbit Epoch 2026-09-11T06:28:16+0000 2026-09-11T04:53:12+0000

    SL-3 R/B & STARLINK-30817 Collision Probability (Pc) Trend

    SL-3 R/B & STARLINK-30817 Collision Probability (Pc) TrendNot Available

    SL-3 R/B & STARLINK-30817 Miss Distance (Miss Distance) Trend

    SL-3 R/B & STARLINK-30817 Miss Distance (Miss Distance) TrendNot Available

    SL-3 R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30817Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-3 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30817Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-3 R/B

    No nearby objects data