Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.421356E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T20:30:49+0800
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    1 Object 1

    AOE ID 12586
    NORAD ID 12586
    Object Type ROCKET BODY
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 52464
    NORAD ID 52464
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SL-3 R/B STARLINK-3904
    Time of Closest Approach 2026-10-21T02:49:30+0000
    Collision Probability (Pc) 1.421356E-6
    Conjunction Distance (km) 2.751 km
    Relative Speed (km/s) 13.451 km/s
    Conjunction Risk Parameters R (Radial): 2.73 | I (In-track): 0.155 | C (Cross-track): -0.302
    Collision Risk Index (CRI) 0.38
    X Position (km) -4377.863 -4375.914
    Position Y (km) 544.259 544.274
    Position Z (km) 5222.634 5220.694
    Velocity X (km/s) -5.473 1.261
    Velocity Y (km/s) 2.258 -7.312
    Velocity Z (km/s) -4.816 1.815

    Orbital Parameters 国际轨道数据源

    Parameter SL-3 R/B STARLINK-3904
    Semimajor Axis (a) 6835.378 km 6840.874 km
    Eccentricity (e) 0.000934 0.000067
    Inclination (i) 97.6048° 53.1596°
    RAAN 341.9041° 121.0559°
    Perigee Argument 289.0733° 96.1658°
    Mean Anomaly (M) 70.9499° 263.9420°
    Apogee 463.627 km 463.192 km
    Perigee 450.855 km 462.282 km
    Orbit Epoch 2026-10-19T06:29:30+0000 2026-10-18T19:47:44+0000

    SL-3 R/B & STARLINK-3904 Collision Probability (Pc) Trend

    SL-3 R/B & STARLINK-3904 Collision Probability (Pc) TrendNot Available

    SL-3 R/B & STARLINK-3904 Miss Distance (Miss Distance) Trend

    SL-3 R/B & STARLINK-3904 Miss Distance (Miss Distance) TrendNot Available

    SL-3 R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3904Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-3 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3904Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-3 R/B

    No nearby objects data