Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.778883E-5
    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 2026-10-30T11:25:35+0000
    Collision Probability (Pc) 1.778883E-5
    Conjunction Distance (km) 1.083 km
    Relative Speed (km/s) 12.043 km/s
    Conjunction Risk Parameters R (Radial): 0.971 | I (In-track): -0.286 | C (Cross-track): 0.387
    Collision Risk Index (CRI) 0.6
    X Position (km) 1983.198 1983.939
    Position Y (km) 6372.351 6373.114
    Position Z (km) -1513.999 -1514.203
    Velocity X (km/s) -4.085 -4.874
    Velocity Y (km/s) 2.66 0.128
    Velocity Z (km/s) 5.874 -5.873

    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