Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.530244E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T02:49:54+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 52994
    NORAD ID 52994
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69839
    NORAD ID 69839
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4256 STARLINK-37589
    Time of Closest Approach 2026-10-21T21:58:06+0000
    Collision Probability (Pc) 7.530244E-7
    Conjunction Distance (km) 2.921 km
    Relative Speed (km/s) 4.978 km/s
    Conjunction Risk Parameters R (Radial): -0.477 | I (In-track): -2.724 | C (Cross-track): -0.937
    Collision Risk Index (CRI) 0.33
    X Position (km) -1444.324 -1446.939
    Position Y (km) -4088.134 -4086.887
    Position Z (km) 5281.426 5281.059
    Velocity X (km/s) 6.167 7.451
    Velocity Y (km/s) -4.223 -0.594
    Velocity Z (km/s) -1.578 1.578

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4256 STARLINK-37589
    Semimajor Axis (a) 6840.870 km 6840.817 km
    Eccentricity (e) 0.000129 0.000112
    Inclination (i) 53.1591° 53.1568°
    RAAN 149.9921° 197.3909°
    Perigee Argument 89.1301° 75.5151°
    Mean Anomaly (M) 270.9849° 284.5976°
    Apogee 463.613 km 463.449 km
    Perigee 461.853 km 461.911 km
    Orbit Epoch 2026-10-19T00:43:47+0000 2026-10-19T03:59:27+0000

    STARLINK-4256 & STARLINK-37589 Collision Probability (Pc) Trend

    STARLINK-4256 & STARLINK-37589 Collision Probability (Pc) TrendNot Available

    STARLINK-4256 & STARLINK-37589 Miss Distance (Miss Distance) Trend

    STARLINK-4256 & STARLINK-37589 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4256Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37589Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4256Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37589Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4256

    No nearby objects data