Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.118863E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T11:02:49+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 67493
    NORAD ID 67493
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SL-3 R/B STARLINK-36551
    Time of Closest Approach 2026-10-20T00:08:50+0000
    Collision Probability (Pc) 1.118863E-6
    Conjunction Distance (km) 2.266 km
    Relative Speed (km/s) 5.008 km/s
    Conjunction Risk Parameters R (Radial): -2.017 | I (In-track): 0.975 | C (Cross-track): 0.337
    Collision Risk Index (CRI) 0.36
    X Position (km) -4649.17 -4650.23
    Position Y (km) 5012.411 5014.269
    Position Z (km) 543.611 542.864
    Velocity X (km/s) -0.449 -3.818
    Velocity Y (km/s) -1.238 -4.108
    Velocity Z (km/s) 7.509 5.168

    Orbital Parameters 国际轨道数据源

    Parameter SL-3 R/B STARLINK-36551
    Semimajor Axis (a) 6852.194 km 6861.190 km
    Eccentricity (e) 0.000696 0.000043
    Inclination (i) 81.1850° 43.0006°
    RAAN 133.5366° 139.4157°
    Perigee Argument 230.2761° 254.7994°
    Mean Anomaly (M) 129.7863° 105.2811°
    Apogee 478.826 km 483.345 km
    Perigee 469.288 km 482.761 km
    Orbit Epoch 2026-10-18T19:53:07+0000 2026-10-17T23:28:19+0000

    SL-3 R/B & STARLINK-36551 Collision Probability (Pc) Trend

    SL-3 R/B & STARLINK-36551 Collision Probability (Pc) TrendNot Available

    SL-3 R/B & STARLINK-36551 Miss Distance (Miss Distance) Trend

    SL-3 R/B & STARLINK-36551 Miss Distance (Miss Distance) TrendNot Available

    SL-3 R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36551Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-3 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36551Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-3 R/B

    No nearby objects data