Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.611657E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-12T14:46:50+0800
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    1 Object 1

    Name USA 3
    AOE ID 15071
    NORAD ID 15071
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    Name RANGE A
    AOE ID 43773
    NORAD ID 43773
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter USA 3 RANGE A
    Time of Closest Approach 2026-10-12T11:34:56+0000
    Collision Probability (Pc) 1.611657E-6
    Conjunction Distance (km) 2.636 km
    Relative Speed (km/s) 14.923 km/s
    Conjunction Risk Parameters R (Radial): 1.929 | I (In-track): -0.32 | C (Cross-track): -1.768
    Collision Risk Index (CRI) 0.39
    X Position (km) -3080.407 -3082.515
    Position Y (km) 3045.079 3044.636
    Position Z (km) -5377.576 -5379.095
    Velocity X (km/s) -3.278 5.212
    Velocity Y (km/s) 4.98 -2.961
    Velocity Z (km/s) 4.699 -4.657

    Orbital Parameters 国际轨道数据源

    Parameter USA 3 RANGE A
    Semimajor Axis (a) 6899.042 km 6901.556 km
    Eccentricity (e) 0.000178 0.000861
    Inclination (i) 95.8655° 97.3845°
    RAAN 127.4949° 324.0019°
    Perigee Argument 274.0805° 308.9807°
    Mean Anomaly (M) 86.0228° 51.0658°
    Apogee 522.131 km 529.363 km
    Perigee 519.679 km 517.475 km
    Orbit Epoch 2026-10-11T19:57:28+0000 2026-10-11T20:17:15+0000

    USA 3 & RANGE A Collision Probability (Pc) Trend

    USA 3 & RANGE A Collision Probability (Pc) TrendNot Available

    USA 3 & RANGE A Miss Distance (Miss Distance) Trend

    USA 3 & RANGE A Miss Distance (Miss Distance) TrendNot Available

    USA 3Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    RANGE AMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    USA 3Collision Probability Trend

    Object 1 Probability TrendNot Available

    RANGE ACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with USA 3

    No nearby objects data