Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.673514E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T07:52:04+0800
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    1 Object 1

    AOE ID 42374
    NORAD ID 42374
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 51284
    NORAD ID 51284
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter NOAA 16 DEB LT-1 01A
    Time of Closest Approach 2026-09-12T07:37:28+0000
    Collision Probability (Pc) 3.673514E-6
    Conjunction Distance (km) 1.819 km
    Relative Speed (km/s) 14.628 km/s
    Conjunction Risk Parameters R (Radial): -1.206 | I (In-track): -0.355 | C (Cross-track): -1.313
    Collision Risk Index (CRI) 0.46
    X Position (km) -1352.471 -1353.976
    Position Y (km) -3742.118 -3742.278
    Position Z (km) 5726.987 5727.996
    Velocity X (km/s) -3.949 0.359
    Velocity Y (km/s) -4.937 6.287
    Velocity Z (km/s) -4.149 4.182

    Orbital Parameters 国际轨道数据源

    Parameter NOAA 16 DEB LT-1 01A
    Semimajor Axis (a) 6984.437 km 6981.020 km
    Eccentricity (e) 0.000724 0.000160
    Inclination (i) 98.8340° 97.8111°
    RAAN 54.2516° 259.9046°
    Perigee Argument 128.3128° 89.8495°
    Mean Anomaly (M) 231.8737° 270.2905°
    Apogee 611.357 km 604.001 km
    Perigee 601.243 km 601.765 km
    Orbit Epoch 2026-09-09T16:06:17+0000 2026-09-10T16:39:05+0000

    NOAA 16 DEB & LT-1 01A Collision Probability (Pc) Trend

    NOAA 16 DEB & LT-1 01A Collision Probability (Pc) TrendNot Available

    NOAA 16 DEB & LT-1 01A Miss Distance (Miss Distance) Trend

    NOAA 16 DEB & LT-1 01A Miss Distance (Miss Distance) TrendNot Available

    NOAA 16 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LT-1 01AMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NOAA 16 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    LT-1 01ACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NOAA 16 DEB

    No nearby objects data