Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    6.50448E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T15:04:26+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 62629
    NORAD ID 62629
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SL-3 R/B FLOCK 4G 11
    Time of Closest Approach 2026-09-06T09:52:30+0000
    Collision Probability (Pc) 6.50448E-6
    Conjunction Distance (km) 1.511 km
    Relative Speed (km/s) 14.631 km/s
    Conjunction Risk Parameters R (Radial): -1.088 | I (In-track): -0.293 | C (Cross-track): -1.004
    Collision Risk Index (CRI) 0.51
    X Position (km) 68.995 68.758
    Position Y (km) -1046.715 -1047.558
    Position Z (km) 6761.982 6760.752
    Velocity X (km/s) 7.614 -6.654
    Velocity Y (km/s) 0.507 3.681
    Velocity Z (km/s) 0.007 0.638

    Orbital Parameters 国际轨道数据源

    Parameter SL-3 R/B FLOCK 4G 11
    Semimajor Axis (a) 6853.326 km 6851.463 km
    Eccentricity (e) 0.000897 0.000368
    Inclination (i) 81.1881° 97.3874°
    RAAN 185.6201° 328.5263°
    Perigee Argument 34.0139° 61.5346°
    Mean Anomaly (M) 326.1671° 298.6266°
    Apogee 481.334 km 475.851 km
    Perigee 469.044 km 470.801 km
    Orbit Epoch 2026-09-04T21:23:18+0000 2026-09-04T12:00:38+0000

    SL-3 R/B & FLOCK 4G 11 Collision Probability (Pc) Trend

    SL-3 R/B & FLOCK 4G 11 Collision Probability (Pc) TrendNot Available

    SL-3 R/B & FLOCK 4G 11 Miss Distance (Miss Distance) Trend

    SL-3 R/B & FLOCK 4G 11 Miss Distance (Miss Distance) TrendNot Available

    SL-3 R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FLOCK 4G 11Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-3 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4G 11Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-3 R/B

    No nearby objects data