Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.166338E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-10T17:27:20+0800
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    1 Object 1

    AOE ID 41149
    NORAD ID 41149
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 65318
    NORAD ID 65318
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter NOAA 16 DEB CAPELLA-16 (ACADIA)
    Time of Closest Approach 2026-09-11T08:45:36+0000
    Collision Probability (Pc) 1.166338E-5
    Conjunction Distance (km) 1.267 km
    Relative Speed (km/s) 14.382 km/s
    Conjunction Risk Parameters R (Radial): 1.24 | I (In-track): -0.068 | C (Cross-track): 0.253
    Collision Risk Index (CRI) 0.56
    X Position (km) -3088.198 -3087.567
    Position Y (km) 926.094 926.177
    Position Z (km) 6166.937 6165.843
    Velocity X (km/s) 6.782 -5.517
    Velocity Y (km/s) 0.612 3.95
    Velocity Z (km/s) 3.317 -3.348

    Orbital Parameters 国际轨道数据源

    Parameter NOAA 16 DEB CAPELLA-16 (ACADIA)
    Semimajor Axis (a) 6979.032 km 6961.829 km
    Eccentricity (e) 0.003057 0.000308
    Inclination (i) 98.9146° 97.7328°
    RAAN 178.4221° 326.6992°
    Perigee Argument 20.4451° 329.1821°
    Mean Anomaly (M) 339.7979° 30.9219°
    Apogee 622.234 km 585.834 km
    Perigee 579.556 km 581.550 km
    Orbit Epoch 2026-09-09T06:29:02+0000 2026-09-09T19:17:03+0000

    NOAA 16 DEB & CAPELLA-16 (ACADIA) Collision Probability (Pc) Trend

    NOAA 16 DEB & CAPELLA-16 (ACADIA) Collision Probability (Pc) TrendNot Available

    NOAA 16 DEB & CAPELLA-16 (ACADIA) Miss Distance (Miss Distance) Trend

    NOAA 16 DEB & CAPELLA-16 (ACADIA) Miss Distance (Miss Distance) TrendNot Available

    NOAA 16 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CAPELLA-16 (ACADIA)Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NOAA 16 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    CAPELLA-16 (ACADIA)Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NOAA 16 DEB

    No nearby objects data