Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.038834E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-03T23:56:45+0800
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    1 Object 1

    Name ALEXIS
    AOE ID 22638
    NORAD ID 22638
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 37428
    NORAD ID 37428
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter ALEXIS FENGYUN 1C DEB
    Time of Closest Approach 2026-11-05T09:22:53+0000
    Collision Probability (Pc) 2.038834E-6
    Conjunction Distance (km) 2.316 km
    Relative Speed (km/s) 14.84 km/s
    Conjunction Risk Parameters R (Radial): 0.681 | I (In-track): -0.305 | C (Cross-track): 2.193
    Collision Risk Index (CRI) 0.41
    X Position (km) 3976.45 3975.71
    Position Y (km) -3775.585 -3777.777
    Position Z (km) -4541.598 -4541.49
    Velocity X (km/s) 5.405 -4.294
    Velocity Y (km/s) -0.521 2.283
    Velocity Z (km/s) 5.176 -5.701

    Orbital Parameters 国际轨道数据源

    Parameter ALEXIS FENGYUN 1C DEB
    Semimajor Axis (a) 7157.525 km 7144.164 km
    Eccentricity (e) 0.006096 0.005263
    Inclination (i) 69.9216° 97.6961°
    RAAN 339.9922° 140.1104°
    Perigee Argument 325.9181° 192.1108°
    Mean Anomaly (M) 33.8035° 167.8820°
    Apogee 823.024 km 803.629 km
    Perigee 735.752 km 728.425 km
    Orbit Epoch 2026-11-02T19:37:28+0000 2026-11-02T06:52:14+0000

    ALEXIS & FENGYUN 1C DEB Collision Probability (Pc) Trend

    ALEXIS & FENGYUN 1C DEB Collision Probability (Pc) TrendNot Available

    ALEXIS & FENGYUN 1C DEB Miss Distance (Miss Distance) Trend

    ALEXIS & FENGYUN 1C DEB Miss Distance (Miss Distance) TrendNot Available

    ALEXISMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ALEXISCollision Probability Trend

    Object 1 Probability TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ALEXIS

    No nearby objects data