Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.052639E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T17:40:58+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 67950
    NORAD ID 67950
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SL-3 R/B STARLINK-36887
    Time of Closest Approach 2026-09-07T15:54:14+0000
    Collision Probability (Pc) 1.052639E-6
    Conjunction Distance (km) 2.767 km
    Relative Speed (km/s) 8.088 km/s
    Conjunction Risk Parameters R (Radial): 2.671 | I (In-track): -0.613 | C (Cross-track): -0.384
    Collision Risk Index (CRI) 0.35
    X Position (km) 5149.363 5150.982
    Position Y (km) -487.798 -488.454
    Position Z (km) 4494.752 4496.898
    Velocity X (km/s) 5.034 1.926
    Velocity Y (km/s) 1.078 7.243
    Velocity Z (km/s) -5.626 -1.416

    Orbital Parameters 国际轨道数据源

    Parameter SL-3 R/B STARLINK-36887
    Semimajor Axis (a) 6853.318 km 6861.164 km
    Eccentricity (e) 0.000894 0.000112
    Inclination (i) 81.1881° 43.0012°
    RAAN 185.3102° 257.9482°
    Perigee Argument 33.2198° 242.8007°
    Mean Anomaly (M) 326.9598° 117.2731°
    Apogee 481.306 km 483.794 km
    Perigee 469.056 km 482.260 km
    Orbit Epoch 2026-09-05T03:39:57+0000 2026-09-05T02:14:35+0000

    SL-3 R/B & STARLINK-36887 Collision Probability (Pc) Trend

    SL-3 R/B & STARLINK-36887 Collision Probability (Pc) TrendNot Available

    SL-3 R/B & STARLINK-36887 Miss Distance (Miss Distance) Trend

    SL-3 R/B & STARLINK-36887 Miss Distance (Miss Distance) TrendNot Available

    SL-3 R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36887Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-3 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36887Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-3 R/B

    No nearby objects data