Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.780529E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-08-29T13:45:38+0800
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    1 Object 1

    AOE ID 41709
    NORAD ID 41709
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 57819
    NORAD ID 57819
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter NOAA 16 DEB STARLINK-30390
    Time of Closest Approach 2026-08-29T14:16:42+0000
    Collision Probability (Pc) 2.780529E-6
    Conjunction Distance (km) 1.998 km
    Relative Speed (km/s) 14.085 km/s
    Conjunction Risk Parameters R (Radial): 1.939 | I (In-track): 0.179 | C (Cross-track): 0.446
    Collision Risk Index (CRI) 0.44
    X Position (km) -3491.322 -3490.075
    Position Y (km) 5012.559 5011.47
    Position Z (km) 3120.196 3119.079
    Velocity X (km/s) 3.053 -6.274
    Velocity Y (km/s) -2.057 -1.951
    Velocity Z (km/s) 6.679 -3.874

    Orbital Parameters 国际轨道数据源

    Parameter NOAA 16 DEB STARLINK-30390
    Semimajor Axis (a) 6864.952 km 6861.191 km
    Eccentricity (e) 0.001217 0.000129
    Inclination (i) 98.9329° 43.0033°
    RAAN 126.9543° 343.3988°
    Perigee Argument 111.2729° 258.3933°
    Mean Anomaly (M) 248.9805° 101.6774°
    Apogee 495.169 km 483.938 km
    Perigee 478.461 km 482.170 km
    Orbit Epoch 2026-08-27T11:49:31+0000 2026-08-28T15:42:25+0000

    NOAA 16 DEB & STARLINK-30390 Collision Probability (Pc) Trend

    NOAA 16 DEB & STARLINK-30390 Collision Probability (Pc) TrendNot Available

    NOAA 16 DEB & STARLINK-30390 Miss Distance (Miss Distance) Trend

    NOAA 16 DEB & STARLINK-30390 Miss Distance (Miss Distance) TrendNot Available

    NOAA 16 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30390Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NOAA 16 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30390Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NOAA 16 DEB

    No nearby objects data