Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    7.921243E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T15:11:54+0800
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    1 Object 1

    Name NOAA 12
    AOE ID 21263
    NORAD ID 21263
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 41296
    NORAD ID 41296
    Object Type DEBRIS
    Country
    US US

    Conjunction Constraints

    Parameter NOAA 12 NOAA 16 DEB
    Time of Closest Approach 2026-09-06T02:35:54+0000
    Collision Probability (Pc) 7.921243E-6
    Conjunction Distance (km) 1.269 km
    Relative Speed (km/s) 8.316 km/s
    Conjunction Risk Parameters R (Radial): -1.264 | I (In-track): 0.081 | C (Cross-track): -0.049
    Collision Risk Index (CRI) 0.53
    X Position (km) 1308.017 1307.784
    Position Y (km) 29.259 29.16
    Position Z (km) -7072.505 -7071.262
    Velocity X (km/s) -3.987 4.186
    Velocity Y (km/s) -6.224 -6.109
    Velocity Z (km/s) -0.773 0.754

    Orbital Parameters 国际轨道数据源

    Parameter NOAA 12 NOAA 16 DEB
    Semimajor Axis (a) 7180.723 km 7200.185 km
    Eccentricity (e) 0.001412 0.002344
    Inclination (i) 98.6288° 98.7101°
    RAAN 235.2936° 303.2466°
    Perigee Argument 151.3089° 297.6107°
    Mean Anomaly (M) 208.8871° 62.2690°
    Apogee 812.724 km 838.923 km
    Perigee 792.448 km 805.173 km
    Orbit Epoch 2026-09-04T22:26:10+0000 2026-09-04T00:17:41+0000

    NOAA 12 & NOAA 16 DEB Collision Probability (Pc) Trend

    NOAA 12 & NOAA 16 DEB Collision Probability (Pc) TrendNot Available

    NOAA 12 & NOAA 16 DEB Miss Distance (Miss Distance) Trend

    NOAA 12 & NOAA 16 DEB Miss Distance (Miss Distance) TrendNot Available

    NOAA 12Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    NOAA 16 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NOAA 12Collision Probability Trend

    Object 1 Probability TrendNot Available

    NOAA 16 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NOAA 12

    No nearby objects data