Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.678272E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T23:54:19+0800
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    1 Object 1

    AOE ID 48713
    NORAD ID 48713
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 52581
    NORAD ID 52581
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter NOAA 17 DEB STARLINK-3915
    Time of Closest Approach 2026-10-30T16:31:52+0000
    Collision Probability (Pc) 8.678272E-7
    Conjunction Distance (km) 2.911 km
    Relative Speed (km/s) 6.42 km/s
    Conjunction Risk Parameters R (Radial): -2.729 | I (In-track): 0.914 | C (Cross-track): 0.428
    Collision Risk Index (CRI) 0.34
    X Position (km) 2443.242 2442.65
    Position Y (km) -5885.594 -5883.47
    Position Z (km) 2491.631 2489.732
    Velocity X (km/s) -0.131 5.358
    Velocity Y (km/s) -3.02 -0.087
    Velocity Z (km/s) -7.014 -5.441

    Orbital Parameters 国际轨道数据源

    Parameter NOAA 17 DEB STARLINK-3915
    Semimajor Axis (a) 6847.805 km 6840.894 km
    Eccentricity (e) 0.001869 0.000143
    Inclination (i) 98.9789° 53.1605°
    RAAN 107.4626° 138.2420°
    Perigee Argument 231.6173° 322.6771°
    Mean Anomaly (M) 128.3385° 37.4132°
    Apogee 482.467 km 463.738 km
    Perigee 456.869 km 461.776 km
    Orbit Epoch 2026-10-29T10:03:41+0000 2026-10-28T20:05:47+0000

    NOAA 17 DEB & STARLINK-3915 Collision Probability (Pc) Trend

    NOAA 17 DEB & STARLINK-3915 Collision Probability (Pc) TrendNot Available

    NOAA 17 DEB & STARLINK-3915 Miss Distance (Miss Distance) Trend

    NOAA 17 DEB & STARLINK-3915 Miss Distance (Miss Distance) TrendNot Available

    NOAA 17 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3915Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NOAA 17 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3915Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NOAA 17 DEB

    No nearby objects data