Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.225362E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-08T16:20:59+0800
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    1 Object 1

    AOE ID 48755
    NORAD ID 48755
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 53685
    NORAD ID 53685
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter NOAA 17 DEB STARLINK-4626
    Time of Closest Approach 2026-09-08T13:14:11+0000
    Collision Probability (Pc) 1.225362E-5
    Conjunction Distance (km) 1.26 km
    Relative Speed (km/s) 15.017 km/s
    Conjunction Risk Parameters R (Radial): -1.075 | I (In-track): -0.08 | C (Cross-track): -0.651
    Collision Risk Index (CRI) 0.57
    X Position (km) -4129.188 -4129.305
    Position Y (km) 5460.023 5461.266
    Position Z (km) -1079.007 -1079.179
    Velocity X (km/s) 1.624 0.075
    Velocity Y (km/s) -0.226 1.514
    Velocity Z (km/s) -7.403 7.432

    Orbital Parameters 国际轨道数据源

    Parameter NOAA 17 DEB STARLINK-4626
    Semimajor Axis (a) 6920.962 km 6927.659 km
    Eccentricity (e) 0.000765 0.000207
    Inclination (i) 98.6911° 97.2839°
    RAAN 306.8670° 125.0609°
    Perigee Argument 16.3587° 57.8366°
    Mean Anomaly (M) 343.7883° 302.3062°
    Apogee 548.118 km 550.957 km
    Perigee 537.532 km 548.087 km
    Orbit Epoch 2026-09-07T02:57:24+0000 2026-09-07T14:56:47+0000

    NOAA 17 DEB & STARLINK-4626 Collision Probability (Pc) Trend

    NOAA 17 DEB & STARLINK-4626 Collision Probability (Pc) TrendNot Available

    NOAA 17 DEB & STARLINK-4626 Miss Distance (Miss Distance) Trend

    NOAA 17 DEB & STARLINK-4626 Miss Distance (Miss Distance) TrendNot Available

    NOAA 17 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4626Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NOAA 17 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4626Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NOAA 17 DEB

    No nearby objects data