Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    6.479834E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T13:29:58+0800
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    1 Object 1

    Name UK-DMC
    AOE ID 27942
    NORAD ID 27942
    Object Type PAYLOAD
    Country
    GB GB
    ← VS →

    2 Object 2

    AOE ID 38341
    NORAD ID 38341
    Object Type ROCKET BODY
    Country
    JP JP

    Conjunction Constraints

    Parameter UK-DMC H-2A R/B
    Time of Closest Approach 2026-10-21T07:54:29+0000
    Collision Probability (Pc) 6.479834E-6
    Conjunction Distance (km) 1.511 km
    Relative Speed (km/s) 14.565 km/s
    Conjunction Risk Parameters R (Radial): -0.476 | I (In-track): 0.384 | C (Cross-track): 1.381
    Collision Risk Index (CRI) 0.51
    X Position (km) -1509.911 -1508.485
    Position Y (km) 3522.668 3522.978
    Position Z (km) 5834.703 5834.314
    Velocity X (km/s) 4.193 -0.524
    Velocity Y (km/s) -4.872 6.38
    Velocity Z (km/s) 3.969 -3.984

    Orbital Parameters 国际轨道数据源

    Parameter UK-DMC H-2A R/B
    Semimajor Axis (a) 6984.630 km 6956.797 km
    Eccentricity (e) 0.005387 0.004212
    Inclination (i) 98.0769° 98.4977°
    RAAN 124.8543° 279.5632°
    Perigee Argument 153.1969° 296.2011°
    Mean Anomaly (M) 207.2048° 63.4880°
    Apogee 644.119 km 607.962 km
    Perigee 568.867 km 549.358 km
    Orbit Epoch 2026-10-20T12:16:21+0000 2026-10-20T21:43:52+0000

    UK-DMC & H-2A R/B Collision Probability (Pc) Trend

    UK-DMC & H-2A R/B Collision Probability (Pc) TrendNot Available

    UK-DMC & H-2A R/B Miss Distance (Miss Distance) Trend

    UK-DMC & H-2A R/B Miss Distance (Miss Distance) TrendNot Available

    UK-DMCMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    H-2A R/BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    UK-DMCCollision Probability Trend

    Object 1 Probability TrendNot Available

    H-2A R/BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with UK-DMC

    No nearby objects data