Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.337152E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T21:05:36+0800
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    1 Object 1

    AOE ID 13121
    NORAD ID 13121
    Object Type ROCKET BODY
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 54867
    NORAD ID 54867
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SL-3 R/B STARLINK-5396
    Time of Closest Approach 2026-09-14T14:34:55+0000
    Collision Probability (Pc) 1.337152E-6
    Conjunction Distance (km) 2.236 km
    Relative Speed (km/s) 6.513 km/s
    Conjunction Risk Parameters R (Radial): 0.483 | I (In-track): -1.974 | C (Cross-track): 0.932
    Collision Risk Index (CRI) 0.38
    X Position (km) 5730.355 5728.979
    Position Y (km) -2.273 -0.992
    Position Z (km) -3778.808 -3780.018
    Velocity X (km/s) -4.12 -2.02
    Velocity Y (km/s) 1.398 6.677
    Velocity Z (km/s) -6.249 -3.065

    Orbital Parameters 国际轨道数据源

    Parameter SL-3 R/B STARLINK-5396
    Semimajor Axis (a) 6853.121 km 6861.200 km
    Eccentricity (e) 0.000833 0.000092
    Inclination (i) 81.1895° 43.0028°
    RAAN 176.8645° 149.1967°
    Perigee Argument 10.2713° 260.2439°
    Mean Anomaly (M) 349.8692° 99.8309°
    Apogee 480.692 km 483.691 km
    Perigee 469.276 km 482.435 km
    Orbit Epoch 2026-09-12T06:43:30+0000 2026-09-12T01:55:51+0000

    SL-3 R/B & STARLINK-5396 Collision Probability (Pc) Trend

    SL-3 R/B & STARLINK-5396 Collision Probability (Pc) TrendNot Available

    SL-3 R/B & STARLINK-5396 Miss Distance (Miss Distance) Trend

    SL-3 R/B & STARLINK-5396 Miss Distance (Miss Distance) TrendNot Available

    SL-3 R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5396Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-3 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5396Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-3 R/B

    No nearby objects data