Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.586836E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T14:15:17+0800
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    1 Object 1

    Name ENVISAT
    AOE ID 27386
    NORAD ID 27386
    Object Type PAYLOAD
    Country
    ESA ESA
    ← VS →

    2 Object 2

    AOE ID 30044
    NORAD ID 30044
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter ENVISAT FENGYUN 1C DEB
    Time of Closest Approach 2026-10-29T20:43:33+0000
    Collision Probability (Pc) 7.586836E-7
    Conjunction Distance (km) 2.593 km
    Relative Speed (km/s) 3.762 km/s
    Conjunction Risk Parameters R (Radial): -1.186 | I (In-track): 2.229 | C (Cross-track): -0.592
    Collision Risk Index (CRI) 0.33
    X Position (km) -914.638 -913.206
    Position Y (km) 547.373 549.2
    Position Z (km) 7051.162 7050.007
    Velocity X (km/s) 2.43 5.52
    Velocity Y (km/s) 7.064 4.99
    Velocity Z (km/s) -0.232 0.317

    Orbital Parameters 国际轨道数据源

    Parameter ENVISAT FENGYUN 1C DEB
    Semimajor Axis (a) 7139.643 km 7086.334 km
    Eccentricity (e) 0.000133 0.007321
    Inclination (i) 98.4003° 98.2103°
    RAAN 248.3353° 218.7041°
    Perigee Argument 84.4370° 268.3807°
    Mean Anomaly (M) 293.1890° 90.9003°
    Apogee 762.453 km 760.079 km
    Perigee 760.559 km 656.315 km
    Orbit Epoch 2026-10-26T20:37:43+0000 2026-10-26T18:04:09+0000

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

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

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

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

    ENVISATMiss 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

    ENVISATCollision Probability Trend

    Object 1 Probability TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ENVISAT

    No nearby objects data