Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    7.472253E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-05T22:08:26+0800
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    1 Object 1

    AOE ID 41500
    NORAD ID 41500
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 49260
    NORAD ID 49260
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter NOAA 16 DEB LANDSAT 9
    Time of Closest Approach 2026-11-07T04:50:23+0000
    Collision Probability (Pc) 7.472253E-4
    Conjunction Distance (km) 0.215 km
    Relative Speed (km/s) 14.841 km/s
    Conjunction Risk Parameters R (Radial): 0.065 | I (In-track): -0.025 | C (Cross-track): -0.202
    Collision Risk Index (CRI) 0.92
    X Position (km) -6684.132 -6684.125
    Position Y (km) -2334.834 -2335.048
    Position Z (km) -233.281 -233.276
    Velocity X (km/s) -0.592 -0.131
    Velocity Y (km/s) 1.037 1.09
    Velocity Z (km/s) 7.411 -7.422

    Orbital Parameters 国际轨道数据源

    Parameter NOAA 16 DEB LANDSAT 9
    Semimajor Axis (a) 7088.201 km 7080.674 km
    Eccentricity (e) 0.002837 0.000118
    Inclination (i) 98.9958° 98.2140°
    RAAN 196.5160° 17.1253°
    Perigee Argument 73.9545° 85.3990°
    Mean Anomaly (M) 286.4771° 274.7343°
    Apogee 730.172 km 703.373 km
    Perigee 689.956 km 701.701 km
    Orbit Epoch 2026-11-04T22:22:36+0000 2026-11-04T18:19:33+0000

    NOAA 16 DEB & LANDSAT 9 Collision Probability (Pc) Trend

    NOAA 16 DEB & LANDSAT 9 Collision Probability (Pc) TrendNot Available

    NOAA 16 DEB & LANDSAT 9 Miss Distance (Miss Distance) Trend

    NOAA 16 DEB & LANDSAT 9 Miss Distance (Miss Distance) TrendNot Available

    NOAA 16 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LANDSAT 9Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NOAA 16 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    LANDSAT 9Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NOAA 16 DEB

    No nearby objects data