Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.765587E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T07:16:46+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 52453
    NORAD ID 52453
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SL-3 R/B STARLINK-3872
    Time of Closest Approach 2026-10-30T04:05:40+0000
    Collision Probability (Pc) 1.765587E-6
    Conjunction Distance (km) 2.291 km
    Relative Speed (km/s) 11.276 km/s
    Conjunction Risk Parameters R (Radial): -0.197 | I (In-track): -1.54 | C (Cross-track): -1.683
    Collision Risk Index (CRI) 0.4
    X Position (km) -4128.364 -4126.832
    Position Y (km) -236.929 -235.533
    Position Z (km) 5439.849 5440.825
    Velocity X (km/s) -6.019 -0.358
    Velocity Y (km/s) 1.327 -7.607
    Velocity Z (km/s) -4.507 -0.599

    Orbital Parameters 国际轨道数据源

    Parameter SL-3 R/B STARLINK-3872
    Semimajor Axis (a) 6835.051 km 6840.863 km
    Eccentricity (e) 0.000935 0.000126
    Inclination (i) 97.6026° 53.1616°
    RAAN 351.5262° 95.2828°
    Perigee Argument 250.1419° 75.6583°
    Mean Anomaly (M) 109.8817° 284.4559°
    Apogee 463.305 km 463.588 km
    Perigee 450.523 km 461.864 km
    Orbit Epoch 2026-10-28T14:01:46+0000 2026-10-27T17:50:21+0000

    SL-3 R/B & STARLINK-3872 Collision Probability (Pc) Trend

    SL-3 R/B & STARLINK-3872 Collision Probability (Pc) TrendNot Available

    SL-3 R/B & STARLINK-3872 Miss Distance (Miss Distance) Trend

    SL-3 R/B & STARLINK-3872 Miss Distance (Miss Distance) TrendNot Available

    SL-3 R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3872Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-3 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3872Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-3 R/B

    No nearby objects data