Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    5.708121E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T16:52:28+0800
    View CDM
    Download CDM 1.0

    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 2026-10-23T00:40:40+0000
    Collision Probability (Pc) 5.708121E-7
    Conjunction Distance (km) 2.654 km
    Relative Speed (km/s) 2.271 km/s
    Conjunction Risk Parameters R (Radial): 0.835 | I (In-track): 2.491 | C (Cross-track): -0.378
    Collision Risk Index (CRI) 0.3
    X Position (km) -1648.763 -1650.875
    Position Y (km) -3811.73 -3810.267
    Position Z (km) -5443.015 -5442.349
    Velocity X (km/s) 7.277 6.561
    Velocity Y (km/s) -2.165 -3.823
    Velocity Z (km/s) -0.689 0.687

    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