Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.055455E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-08T07:05:12+0800
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    1 Object 1

    AOE ID 39679
    NORAD ID 39679
    Object Type ROCKET BODY
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 52111
    NORAD ID 52111
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SL-4 R/B STARLINK-3708
    Time of Closest Approach 2026-09-08T03:17:42+0000
    Collision Probability (Pc) 2.055455E-6
    Conjunction Distance (km) 2.171 km
    Relative Speed (km/s) 11.964 km/s
    Conjunction Risk Parameters R (Radial): -2.169 | I (In-track): 0.035 | C (Cross-track): -0.066
    Collision Risk Index (CRI) 0.41
    X Position (km) 6104.743 6106.646
    Position Y (km) -2806.922 -2807.878
    Position Z (km) 1268.695 1269.111
    Velocity X (km/s) 3.07 0.918
    Velocity Y (km/s) 3.891 4.705
    Velocity Z (km/s) -5.794 5.946

    Orbital Parameters 国际轨道数据源

    Parameter SL-4 R/B STARLINK-3708
    Semimajor Axis (a) 6813.577 km 6840.901 km
    Eccentricity (e) 0.008811 0.000118
    Inclination (i) 51.6042° 53.1600°
    RAAN 168.5179° 329.9210°
    Perigee Argument 47.5845° 81.4014°
    Mean Anomaly (M) 313.2552° 278.7123°
    Apogee 495.474 km 463.574 km
    Perigee 375.406 km 461.954 km
    Orbit Epoch 2026-09-07T04:49:59+0000 2026-09-07T13:10:03+0000

    SL-4 R/B & STARLINK-3708 Collision Probability (Pc) Trend

    SL-4 R/B & STARLINK-3708 Collision Probability (Pc) TrendNot Available

    SL-4 R/B & STARLINK-3708 Miss Distance (Miss Distance) Trend

    SL-4 R/B & STARLINK-3708 Miss Distance (Miss Distance) TrendNot Available

    SL-4 R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3708Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-4 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3708Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-4 R/B

    No nearby objects data