Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.779182E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T05:12:28+0800
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    1 Object 1

    Name USA 56
    AOE ID 20560
    NORAD ID 20560
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 68586
    NORAD ID 68586
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter USA 56 KUIPER-00263
    Time of Closest Approach 2026-09-16T17:50:33+0000
    Collision Probability (Pc) 1.779182E-6
    Conjunction Distance (km) 2.395 km
    Relative Speed (km/s) 13.23 km/s
    Conjunction Risk Parameters R (Radial): -1.669 | I (In-track): 0.827 | C (Cross-track): 1.504
    Collision Risk Index (CRI) 0.4
    X Position (km) 933.941 932.136
    Position Y (km) 5073.504 5072.022
    Position Z (km) -4752.442 -4751.914
    Velocity X (km/s) -0.955 -5.718
    Velocity Y (km/s) -5.047 3.873
    Velocity Z (km/s) -5.516 3.015

    Orbital Parameters 国际轨道数据源

    Parameter USA 56 KUIPER-00263
    Semimajor Axis (a) 7014.440 km 7007.660 km
    Eccentricity (e) 0.005861 0.000071
    Inclination (i) 89.8560° 51.9003°
    RAAN 259.4595° 130.9172°
    Perigee Argument 307.5191° 97.2210°
    Mean Anomaly (M) 52.0712° 262.8834°
    Apogee 677.418 km 630.024 km
    Perigee 595.188 km 629.022 km
    Orbit Epoch 2026-09-15T11:34:51+0000 2026-09-15T14:33:31+0000

    USA 56 & KUIPER-00263 Collision Probability (Pc) Trend

    USA 56 & KUIPER-00263 Collision Probability (Pc) TrendNot Available

    USA 56 & KUIPER-00263 Miss Distance (Miss Distance) Trend

    USA 56 & KUIPER-00263 Miss Distance (Miss Distance) TrendNot Available

    USA 56Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    KUIPER-00263Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    USA 56Collision Probability Trend

    Object 1 Probability TrendNot Available

    KUIPER-00263Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with USA 56

    No nearby objects data