Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.597496E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T15:48:22+0800
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    1 Object 1

    AOE ID 50993
    NORAD ID 50993
    Object Type PAYLOAD
    Country
    IT IT
    VS

    2 Object 2

    AOE ID 69687
    NORAD ID 69687
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ION SCV-004 STARLINK-37977
    Time of Closest Approach 2026-09-04T16:01:36+0000
    Collision Probability (Pc) 3.597496E-6
    Conjunction Distance (km) 1.833 km
    Relative Speed (km/s) 14.657 km/s
    Conjunction Risk Parameters R (Radial): -1.825 | I (In-track): -0.048 | C (Cross-track): -0.145
    Collision Risk Index (CRI) 0.46
    X Position (km) 1015.296 1015.17
    Position Y (km) -2914.754 -2913.931
    Position Z (km) 6102.278 6100.646
    Velocity X (km/s) -4.177 0.126
    Velocity Y (km/s) 5.475 -6.883
    Velocity Z (km/s) 3.301 -3.301

    Orbital Parameters 国际轨道数据源

    Parameter ION SCV-004 STARLINK-37977
    Semimajor Axis (a) 6850.595 km 6843.656 km
    Eccentricity (e) 0.000891 0.000148
    Inclination (i) 97.2755° 97.2847°
    RAAN 302.7983° 93.4437°
    Perigee Argument 78.3817° 84.7339°
    Mean Anomaly (M) 281.8424° 275.4072°
    Apogee 478.560 km 466.534 km
    Perigee 466.356 km 464.504 km
    Orbit Epoch 2026-09-03T14:39:09+0000 2026-09-03T12:54:00+0000

    ION SCV-004 & STARLINK-37977 Collision Probability (Pc) Trend

    ION SCV-004 & STARLINK-37977 Collision Probability (Pc) TrendNot Available

    ION SCV-004 & STARLINK-37977 Miss Distance (Miss Distance) Trend

    ION SCV-004 & STARLINK-37977 Miss Distance (Miss Distance) TrendNot Available

    ION SCV-004Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37977Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ION SCV-004Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37977Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ION SCV-004

    No nearby objects data