Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.123903E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T20:08:38+0800
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    1 Object 1

    AOE ID 42407
    NORAD ID 42407
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 56689
    NORAD ID 56689
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter NOAA 16 DEB STARLINK-30129
    Time of Closest Approach 2026-10-18T16:34:33+0000
    Collision Probability (Pc) 1.123903E-6
    Conjunction Distance (km) 2.83 km
    Relative Speed (km/s) 9.575 km/s
    Conjunction Risk Parameters R (Radial): -2.782 | I (In-track): 0.407 | C (Cross-track): 0.318
    Collision Risk Index (CRI) 0.36
    X Position (km) -4996.626 -4998.804
    Position Y (km) 2217.015 2218.252
    Position Z (km) 4133.636 4134.952
    Velocity X (km/s) 4.734 -1.158
    Velocity Y (km/s) -0.473 -7.138
    Velocity Z (km/s) 5.963 2.424

    Orbital Parameters 国际轨道数据源

    Parameter NOAA 16 DEB STARLINK-30129
    Semimajor Axis (a) 6859.168 km 6861.176 km
    Eccentricity (e) 0.000392 0.000152
    Inclination (i) 98.9485° 43.0001°
    RAAN 162.2012° 108.1846°
    Perigee Argument 4.8675° 270.3440°
    Mean Anomaly (M) 355.2597° 89.7237°
    Apogee 483.719 km 484.084 km
    Perigee 478.343 km 481.994 km
    Orbit Epoch 2026-10-18T02:16:15+0000 2026-10-17T13:37:38+0000

    NOAA 16 DEB & STARLINK-30129 Collision Probability (Pc) Trend

    NOAA 16 DEB & STARLINK-30129 Collision Probability (Pc) TrendNot Available

    NOAA 16 DEB & STARLINK-30129 Miss Distance (Miss Distance) Trend

    NOAA 16 DEB & STARLINK-30129 Miss Distance (Miss Distance) TrendNot Available

    NOAA 16 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30129Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NOAA 16 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30129Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NOAA 16 DEB

    No nearby objects data