Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    4.990795E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T16:52:28+0800
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    1 Object 1

    AOE ID 53831
    NORAD ID 53831
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65640
    NORAD ID 65640
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4649 STARLINK-35091
    Time of Closest Approach 2026-10-23T02:14:28+0000
    Collision Probability (Pc) 4.990795E-7
    Conjunction Distance (km) 2.976 km
    Relative Speed (km/s) 2.271 km/s
    Conjunction Risk Parameters R (Radial): 0.849 | I (In-track): -2.82 | C (Cross-track): 0.428
    Collision Risk Index (CRI) 0.29
    X Position (km) -1671.612 -1668.792
    Position Y (km) -3802.12 -3802.792
    Position Z (km) -5442.766 -5442.093
    Velocity X (km/s) 7.265 6.541
    Velocity Y (km/s) -2.205 -3.856
    Velocity Z (km/s) -0.691 0.689

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4649 STARLINK-35091
    Semimajor Axis (a) 6840.878 km 6840.796 km
    Eccentricity (e) 0.000115 0.000081
    Inclination (i) 53.1609° 53.1579°
    RAAN 357.2972° 336.1744°
    Perigee Argument 86.7378° 109.7754°
    Mean Anomaly (M) 273.3757° 250.3335°
    Apogee 463.529 km 463.211 km
    Perigee 461.953 km 462.107 km
    Orbit Epoch 2026-10-20T21:30:35+0000 2026-10-20T19:53:39+0000

    STARLINK-4649 & STARLINK-35091 Collision Probability (Pc) Trend

    STARLINK-4649 & STARLINK-35091 Collision Probability (Pc) TrendNot Available

    STARLINK-4649 & STARLINK-35091 Miss Distance (Miss Distance) Trend

    STARLINK-4649 & STARLINK-35091 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4649Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35091Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4649Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35091Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4649

    No nearby objects data