Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.335711E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T11:55:46+0800
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    1 Object 1

    Name USA 55
    AOE ID 20547
    NORAD ID 20547
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58326
    NORAD ID 58326
    Object Type PAYLOAD
    Country
    IT IT

    Conjunction Constraints

    Parameter USA 55 PICO-01A003
    Time of Closest Approach 2026-09-05T11:43:33+0000
    Collision Probability (Pc) 1.335711E-5
    Conjunction Distance (km) 1.222 km
    Relative Speed (km/s) 14.581 km/s
    Conjunction Risk Parameters R (Radial): -0.65 | I (In-track): -0.308 | C (Cross-track): 0.987
    Collision Risk Index (CRI) 0.58
    X Position (km) 2255.497 2255.42
    Position Y (km) -118.089 -117.053
    Position Z (km) -6418.487 -6417.844
    Velocity X (km/s) -7.111 6.488
    Velocity Y (km/s) -1.277 -3.299
    Velocity Z (km/s) -2.517 2.337

    Orbital Parameters 国际轨道数据源

    Parameter USA 55 PICO-01A003
    Semimajor Axis (a) 6809.881 km 6797.439 km
    Eccentricity (e) 0.005379 0.000440
    Inclination (i) 94.0952° 97.3753°
    RAAN 187.8110° 333.7284°
    Perigee Argument 187.8301° 222.9480°
    Mean Anomaly (M) 172.2121° 137.1428°
    Apogee 468.378 km 422.295 km
    Perigee 395.110 km 416.309 km
    Orbit Epoch 2026-09-03T19:46:48+0000 2026-09-03T19:43:47+0000

    USA 55 & PICO-01A003 Collision Probability (Pc) Trend

    USA 55 & PICO-01A003 Collision Probability (Pc) TrendNot Available

    USA 55 & PICO-01A003 Miss Distance (Miss Distance) Trend

    USA 55 & PICO-01A003 Miss Distance (Miss Distance) TrendNot Available

    USA 55Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    PICO-01A003Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    USA 55Collision Probability Trend

    Object 1 Probability TrendNot Available

    PICO-01A003Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with USA 55

    No nearby objects data