Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.549531E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T15:20:46+0800
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    1 Object 1

    Name USA 485
    AOE ID 62756
    NORAD ID 62756
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    Name USA 486
    AOE ID 62757
    NORAD ID 62757
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter USA 485 USA 486
    Time of Closest Approach 2026-10-21T15:53:41+0000
    Collision Probability (Pc) 7.549531E-7
    Conjunction Distance (km) 1.483 km
    Relative Speed (km/s) 0.003 km/s
    Conjunction Risk Parameters R (Radial): 0.394 | I (In-track): 1.397 | C (Cross-track): 0.304
    Collision Risk Index (CRI) 0.33
    X Position (km) -4746.774 -4746.154
    Position Y (km) 1423.529 1424.831
    Position Z (km) 4521.628 4521.284
    Velocity X (km/s) -2.884 -2.886
    Velocity Y (km/s) -7.107 -7.106
    Velocity Z (km/s) -0.788 -0.788

    Orbital Parameters 国际轨道数据源

    Parameter USA 485 USA 486
    Semimajor Axis (a) 6714.977 km 6714.791 km
    Eccentricity (e) 0.000190 0.000305
    Inclination (i) 43.0004° 42.9992°
    RAAN 67.0935° 69.3960°
    Perigee Argument 284.1551° 277.1456°
    Mean Anomaly (M) 75.9108° 82.9068°
    Apogee 338.116 km 338.702 km
    Perigee 335.564 km 334.606 km
    Orbit Epoch 2026-10-20T18:12:40+0000 2026-10-20T09:06:03+0000

    USA 485 & USA 486 Collision Probability (Pc) Trend

    USA 485 & USA 486 Collision Probability (Pc) TrendNot Available

    USA 485 & USA 486 Miss Distance (Miss Distance) Trend

    USA 485 & USA 486 Miss Distance (Miss Distance) TrendNot Available

    USA 485Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    USA 486Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    USA 485Collision Probability Trend

    Object 1 Probability TrendNot Available

    USA 486Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with USA 485

    No nearby objects data