Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.976565E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T15:17:59+0800
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    1 Object 1

    Name USA 60
    AOE ID 20682
    NORAD ID 20682
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 62625
    NORAD ID 62625
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter USA 60 FLOCK 4G 12
    Time of Closest Approach 2026-10-21T21:54:37+0000
    Collision Probability (Pc) 1.976565E-6
    Conjunction Distance (km) 2.355 km
    Relative Speed (km/s) 14.92 km/s
    Conjunction Risk Parameters R (Radial): -0.847 | I (In-track): 0.592 | C (Cross-track): -2.115
    Collision Risk Index (CRI) 0.41
    X Position (km) 4430.147 4431.703
    Position Y (km) 595.478 593.711
    Position Z (km) 5185.538 5185.529
    Velocity X (km/s) 3.825 -5.421
    Velocity Y (km/s) 5.997 -2.243
    Velocity Z (km/s) -3.443 4.876

    Orbital Parameters 国际轨道数据源

    Parameter USA 60 FLOCK 4G 12
    Semimajor Axis (a) 7386.850 km 6849.558 km
    Eccentricity (e) 0.087013 0.000340
    Inclination (i) 63.2932° 97.3946°
    RAAN 228.0174° 14.8504°
    Perigee Argument 85.3704° 203.4576°
    Mean Anomaly (M) 284.6064° 156.6511°
    Apogee 1651.465 km 473.748 km
    Perigee 365.961 km 469.094 km
    Orbit Epoch 2026-10-20T05:01:32+0000 2026-10-20T11:11:42+0000

    USA 60 & FLOCK 4G 12 Collision Probability (Pc) Trend

    USA 60 & FLOCK 4G 12 Collision Probability (Pc) TrendNot Available

    USA 60 & FLOCK 4G 12 Miss Distance (Miss Distance) Trend

    USA 60 & FLOCK 4G 12 Miss Distance (Miss Distance) TrendNot Available

    USA 60Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FLOCK 4G 12Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    USA 60Collision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4G 12Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with USA 60

    No nearby objects data