Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    6.275551E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T21:14:30+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 59089
    NORAD ID 59089
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SL-3 R/B STARLINK-31307
    Time of Closest Approach 2026-09-14T04:55:21+0000
    Collision Probability (Pc) 6.275551E-5
    Conjunction Distance (km) 0.755 km
    Relative Speed (km/s) 13.117 km/s
    Conjunction Risk Parameters R (Radial): 0.143 | I (In-track): 0.374 | C (Cross-track): 0.641
    Collision Risk Index (CRI) 0.71
    X Position (km) 6297.865 6298.199
    Position Y (km) -990.956 -990.307
    Position Z (km) 2527.627 2527.434
    Velocity X (km/s) 2.944 -0.788
    Velocity Y (km/s) 0.808 6.197
    Velocity Z (km/s) -6.985 4.376

    Orbital Parameters 国际轨道数据源

    Parameter SL-3 R/B STARLINK-31307
    Semimajor Axis (a) 6853.147 km 6861.205 km
    Eccentricity (e) 0.000842 0.000123
    Inclination (i) 81.1894° 43.0019°
    RAAN 178.1042° 342.1773°
    Perigee Argument 13.8876° 249.3393°
    Mean Anomaly (M) 346.2590° 110.7327°
    Apogee 480.779 km 483.912 km
    Perigee 469.241 km 482.224 km
    Orbit Epoch 2026-09-11T05:36:57+0000 2026-09-11T07:43:55+0000

    SL-3 R/B & STARLINK-31307 Collision Probability (Pc) Trend

    SL-3 R/B & STARLINK-31307 Collision Probability (Pc) TrendNot Available

    SL-3 R/B & STARLINK-31307 Miss Distance (Miss Distance) Trend

    SL-3 R/B & STARLINK-31307 Miss Distance (Miss Distance) TrendNot Available

    SL-3 R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31307Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-3 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31307Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-3 R/B

    No nearby objects data