Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.944965E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T20:21:31+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 51860
    NORAD ID 51860
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 60026
    NORAD ID 60026
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3559 STARLINK-31939
    Time of Closest Approach 2026-10-29T06:47:59+0000
    Collision Probability (Pc) 7.944965E-7
    Conjunction Distance (km) 2.749 km
    Relative Speed (km/s) 4.784 km/s
    Conjunction Risk Parameters R (Radial): 0.496 | I (In-track): 2.569 | C (Cross-track): -0.844
    Collision Risk Index (CRI) 0.33
    X Position (km) 3066.89 3069.02
    Position Y (km) -3048.517 -3046.822
    Position Z (km) -5307.418 -5307.8
    Velocity X (km/s) 6.418 3.786
    Velocity Y (km/s) 3.829 6.443
    Velocity Z (km/s) 1.511 -1.51

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3559 STARLINK-31939
    Semimajor Axis (a) 6840.730 km 6840.880 km
    Eccentricity (e) 0.000127 0.000126
    Inclination (i) 53.1620° 53.1601°
    RAAN 29.9678° 76.0887°
    Perigee Argument 56.0230° 76.6824°
    Mean Anomaly (M) 304.0894° 283.4319°
    Apogee 463.464 km 463.605 km
    Perigee 461.722 km 461.881 km
    Orbit Epoch 2026-10-27T14:29:09+0000 2026-10-27T14:36:31+0000

    STARLINK-3559 & STARLINK-31939 Collision Probability (Pc) Trend

    STARLINK-3559 & STARLINK-31939 Collision Probability (Pc) TrendNot Available

    STARLINK-3559 & STARLINK-31939 Miss Distance (Miss Distance) Trend

    STARLINK-3559 & STARLINK-31939 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3559Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31939Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3559Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31939Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3559

    No nearby objects data