Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.044518E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-17T23:42:59+0800
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    1 Object 1

    Name METOP-A
    AOE ID 29499
    NORAD ID 29499
    Object Type PAYLOAD
    Country
    EUME EUME
    ← VS →

    2 Object 2

    AOE ID 67371
    NORAD ID 67371
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter METOP-A UMBRA-12
    Time of Closest Approach 2026-10-18T21:48:52+0000
    Collision Probability (Pc) 1.044518E-5
    Conjunction Distance (km) 1.273 km
    Relative Speed (km/s) 12.55 km/s
    Conjunction Risk Parameters R (Radial): -1.069 | I (In-track): 0.372 | C (Cross-track): 0.58
    Collision Risk Index (CRI) 0.55
    X Position (km) -390.333 -389.721
    Position Y (km) -1701.489 -1701.903
    Position Z (km) 6739.602 6740.638
    Velocity X (km/s) -5.629 -2.624
    Velocity Y (km/s) -4.887 6.916
    Velocity Z (km/s) -1.432 1.591

    Orbital Parameters 国际轨道数据源

    Parameter METOP-A UMBRA-12
    Semimajor Axis (a) 7019.127 km 6975.571 km
    Eccentricity (e) 0.017370 0.000761
    Inclination (i) 98.3417° 97.8074°
    RAAN 40.8915° 287.1509°
    Perigee Argument 40.3544° 91.6443°
    Mean Anomaly (M) 40.6081° 268.5646°
    Apogee 762.913 km 602.744 km
    Perigee 519.067 km 592.124 km
    Orbit Epoch 2026-10-17T06:41:20+0000 2026-10-16T22:43:58+0000

    METOP-A & UMBRA-12 Collision Probability (Pc) Trend

    METOP-A & UMBRA-12 Collision Probability (Pc) TrendNot Available

    METOP-A & UMBRA-12 Miss Distance (Miss Distance) Trend

    METOP-A & UMBRA-12 Miss Distance (Miss Distance) TrendNot Available

    METOP-AMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    UMBRA-12Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    METOP-ACollision Probability Trend

    Object 1 Probability TrendNot Available

    UMBRA-12Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with METOP-A

    No nearby objects data