Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.042079E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T13:44:40+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53242
    NORAD ID 53242
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53390
    NORAD ID 53390
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4056 STARLINK-4517
    Time of Closest Approach 2026-10-20T07:34:10+0000
    Collision Probability (Pc) 2.042079E-6
    Conjunction Distance (km) 1.921 km
    Relative Speed (km/s) 7.348 km/s
    Conjunction Risk Parameters R (Radial): -1.347 | I (In-track): 1.2 | C (Cross-track): -0.659
    Collision Risk Index (CRI) 0.41
    X Position (km) 2967.925 2968.398
    Position Y (km) -3612.24 -3610.66
    Position Z (km) 4984.186 4983.202
    Velocity X (km/s) 3.471 6.877
    Velocity Y (km/s) 6.325 2.181
    Velocity Z (km/s) 2.51 -2.51

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4056 STARLINK-4517
    Semimajor Axis (a) 6840.860 km 6837.846 km
    Eccentricity (e) 0.000148 0.000111
    Inclination (i) 53.1585° 53.1569°
    RAAN 260.9669° 184.1148°
    Perigee Argument 86.0992° 306.7646°
    Mean Anomaly (M) 274.0179° 53.3256°
    Apogee 463.735 km 460.465 km
    Perigee 461.711 km 458.953 km
    Orbit Epoch 2026-10-19T07:50:08+0000 2026-10-19T23:15:47+0000

    STARLINK-4056 & STARLINK-4517 Collision Probability (Pc) Trend

    STARLINK-4056 & STARLINK-4517 Collision Probability (Pc) TrendNot Available

    STARLINK-4056 & STARLINK-4517 Miss Distance (Miss Distance) Trend

    STARLINK-4056 & STARLINK-4517 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4056Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4517Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4056Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4517Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4056

    No nearby objects data