Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.762228E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T20:37:18+0800
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    1 Object 1

    AOE ID 52473
    NORAD ID 52473
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58321
    NORAD ID 58321
    Object Type PAYLOAD
    Country
    FR FR

    Conjunction Constraints

    Parameter STARLINK-3879 PROTOMETHEE
    Time of Closest Approach 2026-10-20T13:31:56+0000
    Collision Probability (Pc) 1.762228E-6
    Conjunction Distance (km) 2.339 km
    Relative Speed (km/s) 12.044 km/s
    Conjunction Risk Parameters R (Radial): 2.216 | I (In-track): 0.461 | C (Cross-track): -0.589
    Collision Risk Index (CRI) 0.4
    X Position (km) -3819.349 -3820.841
    Position Y (km) -1492.972 -1494.068
    Position Z (km) 5466.453 5467.88
    Velocity X (km/s) 2.952 -6.16
    Velocity Y (km/s) -7.043 -0.656
    Velocity Z (km/s) 0.139 -4.468

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3879 PROTOMETHEE
    Semimajor Axis (a) 6840.789 km 6845.242 km
    Eccentricity (e) 0.000014 0.000912
    Inclination (i) 53.1630° 97.3676°
    RAAN 121.5176° 10.1684°
    Perigee Argument 105.0424° 85.5762°
    Mean Anomaly (M) 255.0593° 274.6522°
    Apogee 462.746 km 473.349 km
    Perigee 462.558 km 460.861 km
    Orbit Epoch 2026-10-18T20:30:12+0000 2026-10-19T07:13:06+0000

    STARLINK-3879 & PROTOMETHEE Collision Probability (Pc) Trend

    STARLINK-3879 & PROTOMETHEE Collision Probability (Pc) TrendNot Available

    STARLINK-3879 & PROTOMETHEE Miss Distance (Miss Distance) Trend

    STARLINK-3879 & PROTOMETHEE Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3879Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    PROTOMETHEEMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3879Collision Probability Trend

    Object 1 Probability TrendNot Available

    PROTOMETHEECollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3879

    No nearby objects data