Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.427759E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:43:55+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53390
    NORAD ID 53390
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58921
    NORAD ID 58921
    Object Type PAYLOAD
    Country
    EG EG

    Conjunction Constraints

    Parameter STARLINK-4517 NEXSAT-1
    Time of Closest Approach 2026-10-20T11:00:56+0000
    Collision Probability (Pc) 2.427759E-5
    Conjunction Distance (km) 1.033 km
    Relative Speed (km/s) 14.762 km/s
    Conjunction Risk Parameters R (Radial): -0.851 | I (In-track): -0.148 | C (Cross-track): -0.564
    Collision Risk Index (CRI) 0.63
    X Position (km) 6738.709 6737.909
    Position Y (km) 831.617 830.975
    Position Z (km) -823.535 -823.653
    Velocity X (km/s) -1.285 1.013
    Velocity Y (km/s) 4.487 -0.859
    Velocity Z (km/s) -6.044 7.522

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4517 NEXSAT-1
    Semimajor Axis (a) 6837.807 km 6839.218 km
    Eccentricity (e) 0.000126 0.000914
    Inclination (i) 53.1543° 97.2937°
    RAAN 188.6841° 4.9809°
    Perigee Argument 89.7958° 42.6723°
    Mean Anomaly (M) 270.3190° 317.5229°
    Apogee 460.533 km 467.330 km
    Perigee 458.807 km 454.832 km
    Orbit Epoch 2026-10-18T23:49:46+0000 2026-10-19T06:53:01+0000

    STARLINK-4517 & NEXSAT-1 Collision Probability (Pc) Trend

    STARLINK-4517 & NEXSAT-1 Collision Probability (Pc) TrendNot Available

    STARLINK-4517 & NEXSAT-1 Miss Distance (Miss Distance) Trend

    STARLINK-4517 & NEXSAT-1 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4517Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    NEXSAT-1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4517Collision Probability Trend

    Object 1 Probability TrendNot Available

    NEXSAT-1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4517

    No nearby objects data