Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.191393E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T03:49:56+0800
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    1 Object 1

    AOE ID 30594
    NORAD ID 30594
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 39084
    NORAD ID 39084
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB LANDSAT 8
    Time of Closest Approach 2026-10-21T01:01:45+0000
    Collision Probability (Pc) 2.191393E-6
    Conjunction Distance (km) 2.233 km
    Relative Speed (km/s) 14.715 km/s
    Conjunction Risk Parameters R (Radial): 1.276 | I (In-track): 0.395 | C (Cross-track): -1.79
    Collision Risk Index (CRI) 0.42
    X Position (km) 4830.578 4831.231
    Position Y (km) -523.144 -525.058
    Position Z (km) 5142.181 5143.127
    Velocity X (km/s) 5.114 -5.48
    Velocity Y (km/s) -2.31 -0.976
    Velocity Z (km/s) -5.089 5.036

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB LANDSAT 8
    Semimajor Axis (a) 7211.808 km 7080.633 km
    Eccentricity (e) 0.019373 0.000129
    Inclination (i) 99.1079° 98.2176°
    RAAN 163.0771° 2.0440°
    Perigee Argument 153.3562° 94.2940°
    Mean Anomaly (M) 207.7727° 265.8406°
    Apogee 973.386 km 703.409 km
    Perigee 693.956 km 701.583 km
    Orbit Epoch 2026-10-20T02:23:08+0000 2026-10-20T11:37:43+0000

    FENGYUN 1C DEB & LANDSAT 8 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & LANDSAT 8 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & LANDSAT 8 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & LANDSAT 8 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LANDSAT 8Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    LANDSAT 8Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data