Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.345304E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T19:35:29+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 48676
    NORAD ID 48676
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SL-3 R/B STARLINK-2746
    Time of Closest Approach 2026-09-06T17:16:49+0000
    Collision Probability (Pc) 1.345304E-6
    Conjunction Distance (km) 2.914 km
    Relative Speed (km/s) 14.011 km/s
    Conjunction Risk Parameters R (Radial): 1.766 | I (In-track): -0.92 | C (Cross-track): -2.127
    Collision Risk Index (CRI) 0.38
    X Position (km) -6713.855 -6712.173
    Position Y (km) -193.777 -195.975
    Position Z (km) -1359.705 -1358.793
    Velocity X (km/s) -1.45 1.327
    Velocity Y (km/s) -1.234 -4.628
    Velocity Z (km/s) 7.389 -5.918

    Orbital Parameters 国际轨道数据源

    Parameter SL-3 R/B STARLINK-2746
    Semimajor Axis (a) 6853.341 km 6848.822 km
    Eccentricity (e) 0.000900 0.000094
    Inclination (i) 81.1881° 53.1610°
    RAAN 186.4724° 6.4810°
    Perigee Argument 36.1867° 80.6974°
    Mean Anomaly (M) 323.9977° 279.4134°
    Apogee 481.373 km 471.331 km
    Perigee 469.035 km 470.039 km
    Orbit Epoch 2026-09-04T04:07:30+0000 2026-09-03T19:32:00+0000

    SL-3 R/B & STARLINK-2746 Collision Probability (Pc) Trend

    SL-3 R/B & STARLINK-2746 Collision Probability (Pc) TrendNot Available

    SL-3 R/B & STARLINK-2746 Miss Distance (Miss Distance) Trend

    SL-3 R/B & STARLINK-2746 Miss Distance (Miss Distance) TrendNot Available

    SL-3 R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-2746Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-3 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-2746Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-3 R/B

    No nearby objects data