Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.035726E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T21:08:46+0800
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    1 Object 1

    AOE ID 52453
    NORAD ID 52453
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59391
    NORAD ID 59391
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3872 STARLINK-31644
    Time of Closest Approach 2026-10-29T19:00:40+0000
    Collision Probability (Pc) 4.035726E-6
    Conjunction Distance (km) 1.687 km
    Relative Speed (km/s) 12.05 km/s
    Conjunction Risk Parameters R (Radial): -0.018 | I (In-track): -1.031 | C (Cross-track): -1.333
    Collision Risk Index (CRI) 0.47
    X Position (km) -1623.231 -1624.862
    Position Y (km) -6469.983 -6469.556
    Position Z (km) 1512.483 1512.473
    Velocity X (km/s) 4.226 4.879
    Velocity Y (km/s) -2.443 0.156
    Velocity Z (km/s) -5.874 5.874

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3872 STARLINK-31644
    Semimajor Axis (a) 6840.863 km 6841.219 km
    Eccentricity (e) 0.000126 0.000111
    Inclination (i) 53.1616° 53.1564°
    RAAN 95.2828° 256.4817°
    Perigee Argument 75.6583° 44.3107°
    Mean Anomaly (M) 284.4559° 315.7984°
    Apogee 463.588 km 463.841 km
    Perigee 461.864 km 462.323 km
    Orbit Epoch 2026-10-27T17:50:21+0000 2026-10-27T13:47:10+0000

    STARLINK-3872 & STARLINK-31644 Collision Probability (Pc) Trend

    STARLINK-3872 & STARLINK-31644 Collision Probability (Pc) TrendNot Available

    STARLINK-3872 & STARLINK-31644 Miss Distance (Miss Distance) Trend

    STARLINK-3872 & STARLINK-31644 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3872Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31644Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3872Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31644Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3872

    No nearby objects data