Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.240766E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-31T01:12:03+0800
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    1 Object 1

    AOE ID 52452
    NORAD ID 52452
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59217
    NORAD ID 59217
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3909 STARLINK-31499
    Time of Closest Approach 2026-11-01T03:40:14+0000
    Collision Probability (Pc) 9.240766E-7
    Conjunction Distance (km) 2.635 km
    Relative Speed (km/s) 5.657 km/s
    Conjunction Risk Parameters R (Radial): 2.452 | I (In-track): -0.894 | C (Cross-track): -0.359
    Collision Risk Index (CRI) 0.34
    X Position (km) -4286.858 -4288.626
    Position Y (km) -1036.553 -1035.989
    Position Z (km) 5215.807 5217.677
    Velocity X (km/s) -0.434 3.769
    Velocity Y (km/s) -7.407 -6.39
    Velocity Z (km/s) -1.825 1.823

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3909 STARLINK-31499
    Semimajor Axis (a) 6837.889 km 6840.769 km
    Eccentricity (e) 0.000104 0.000220
    Inclination (i) 53.1620° 53.1603°
    RAAN 87.7115° 142.7655°
    Perigee Argument 124.1387° 111.4481°
    Mean Anomaly (M) 235.9715° 248.6756°
    Apogee 460.461 km 464.135 km
    Perigee 459.043 km 461.129 km
    Orbit Epoch 2026-10-29T15:50:26+0000 2026-10-29T15:57:13+0000

    STARLINK-3909 & STARLINK-31499 Collision Probability (Pc) Trend

    STARLINK-3909 & STARLINK-31499 Collision Probability (Pc) TrendNot Available

    STARLINK-3909 & STARLINK-31499 Miss Distance (Miss Distance) Trend

    STARLINK-3909 & STARLINK-31499 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3909Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31499Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3909Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31499Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3909

    No nearby objects data