Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    7.750474E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-24T04:09:06+0800
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    1 Object 1

    AOE ID 66721
    NORAD ID 66721
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    Name VEGA
    AOE ID 68430
    NORAD ID 68430
    Object Type PAYLOAD
    Country
    SE SE

    Conjunction Constraints

    Parameter FLOCK 4H 18 VEGA
    Time of Closest Approach 2026-10-23T21:46:46+0000
    Collision Probability (Pc) 7.750474E-6
    Conjunction Distance (km) 1.392 km
    Relative Speed (km/s) 12.684 km/s
    Conjunction Risk Parameters R (Radial): 0.855 | I (In-track): -0.614 | C (Cross-track): -0.91
    Collision Risk Index (CRI) 0.53
    X Position (km) -1216.166 -1216.729
    Position Y (km) -1053.277 -1052.312
    Position Z (km) 6683.768 6682.939
    Velocity X (km/s) -7.414 1.889
    Velocity Y (km/s) -0.872 7.225
    Velocity Z (km/s) -1.482 1.478

    Orbital Parameters 国际轨道数据源

    Parameter FLOCK 4H 18 VEGA
    Semimajor Axis (a) 6880.490 km 6882.067 km
    Eccentricity (e) 0.000250 0.000149
    Inclination (i) 97.4067° 97.4647°
    RAAN 6.0290° 253.1291°
    Perigee Argument 319.9893° 93.8426°
    Mean Anomaly (M) 40.1158° 266.2980°
    Apogee 504.074 km 504.957 km
    Perigee 500.632 km 502.903 km
    Orbit Epoch 2026-10-21T17:14:14+0000 2026-10-23T04:03:45+0000

    FLOCK 4H 18 & VEGA Collision Probability (Pc) Trend

    FLOCK 4H 18 & VEGA Collision Probability (Pc) TrendNot Available

    FLOCK 4H 18 & VEGA Miss Distance (Miss Distance) Trend

    FLOCK 4H 18 & VEGA Miss Distance (Miss Distance) TrendNot Available

    FLOCK 4H 18Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    VEGAMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FLOCK 4H 18Collision Probability Trend

    Object 1 Probability TrendNot Available

    VEGACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FLOCK 4H 18

    No nearby objects data