Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.539029E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-31T11:36:16+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 55273
    NORAD ID 55273
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ION SCV-004 STARLINK-5291
    Time of Closest Approach 2026-11-01T00:28:53+0000
    Collision Probability (Pc) 5.539029E-6
    Conjunction Distance (km) 1.597 km
    Relative Speed (km/s) 15.038 km/s
    Conjunction Risk Parameters R (Radial): 0.498 | I (In-track): 0.234 | C (Cross-track): -1.498
    Collision Risk Index (CRI) 0.5
    X Position (km) 4804.744 4805.257
    Position Y (km) 625.441 626.952
    Position Z (km) -4851.59 -4851.591
    Velocity X (km/s) 5.437 -5.154
    Velocity Y (km/s) -0.667 3.047
    Velocity Z (km/s) 5.295 -4.713

    Orbital Parameters 国际轨道数据源

    Parameter ION SCV-004 STARLINK-5291
    Semimajor Axis (a) 6849.260 km 6852.721 km
    Eccentricity (e) 0.000589 0.000228
    Inclination (i) 97.2660° 69.9998°
    RAAN 358.4835° 169.1898°
    Perigee Argument 220.3282° 264.8383°
    Mean Anomaly (M) 139.7524° 267.5373°
    Apogee 475.156 km 476.144 km
    Perigee 467.090 km 473.024 km
    Orbit Epoch 2026-10-30T09:28:45+0000 2026-10-30T20:00:03+0000

    ION SCV-004 & STARLINK-5291 Collision Probability (Pc) Trend

    ION SCV-004 & STARLINK-5291 Collision Probability (Pc) TrendNot Available

    ION SCV-004 & STARLINK-5291 Miss Distance (Miss Distance) Trend

    ION SCV-004 & STARLINK-5291 Miss Distance (Miss Distance) TrendNot Available

    ION SCV-004Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5291Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ION SCV-004Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5291Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ION SCV-004

    No nearby objects data