Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.334096E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T19:20:14+0800
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    1 Object 1

    AOE ID 31218
    NORAD ID 31218
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    Name AE1A
    AOE ID 68487
    NORAD ID 68487
    Object Type PAYLOAD
    Country
    JP JP

    Conjunction Constraints

    Parameter FENGYUN 1C DEB AE1A
    Time of Closest Approach 2026-10-21T16:52:02+0000
    Collision Probability (Pc) 4.334096E-6
    Conjunction Distance (km) 1.726 km
    Relative Speed (km/s) 14.898 km/s
    Conjunction Risk Parameters R (Radial): 1.616 | I (In-track): 0.103 | C (Cross-track): 0.596
    Collision Risk Index (CRI) 0.48
    X Position (km) 1284.217 1285.105
    Position Y (km) 5516.886 5518.036
    Position Z (km) 4044.232 4045.162
    Velocity X (km/s) 0.409 2.21
    Velocity Y (km/s) -4.542 3.947
    Velocity Z (km/s) 6.04 -6.069

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB AE1A
    Semimajor Axis (a) 6961.960 km 6965.298 km
    Eccentricity (e) 0.000752 0.000190
    Inclination (i) 98.8364° 97.7704°
    RAAN 81.0064° 249.2824°
    Perigee Argument 142.9999° 140.5638°
    Mean Anomaly (M) 217.1738° 219.5720°
    Apogee 589.058 km 588.487 km
    Perigee 578.588 km 585.835 km
    Orbit Epoch 2026-10-19T16:30:18+0000 2026-10-19T15:59:06+0000

    FENGYUN 1C DEB & AE1A Collision Probability (Pc) Trend

    FENGYUN 1C DEB & AE1A Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & AE1A Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & AE1A Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    AE1AMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    AE1ACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data