Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.129765E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-23T19:04:42+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 30862
    NORAD ID 30862
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter ENVISAT FENGYUN 1C DEB
    Time of Closest Approach 2026-10-23T12:38:30+0000
    Collision Probability (Pc) 5.129765E-6
    Conjunction Distance (km) 1.627 km
    Relative Speed (km/s) 14.634 km/s
    Conjunction Risk Parameters R (Radial): 0.326 | I (In-track): 0.319 | C (Cross-track): 1.562
    Collision Risk Index (CRI) 0.49
    X Position (km) -2883.598 -2885.073
    Position Y (km) -4570.299 -4569.651
    Position Z (km) 4659.944 4660.165
    Velocity X (km/s) 1.341 -3.84
    Velocity Y (km/s) 4.827 -3.211
    Velocity Z (km/s) 5.548 -5.529

    Orbital Parameters 国际轨道数据源

    Parameter ENVISAT FENGYUN 1C DEB
    Semimajor Axis (a) 7139.645 km 7108.588 km
    Eccentricity (e) 0.000136 0.004572
    Inclination (i) 98.3994° 98.9564°
    RAAN 244.3919° 48.5776°
    Perigee Argument 85.7180° 303.5003°
    Mean Anomaly (M) 328.4073° 86.5183°
    Apogee 762.482 km 762.953 km
    Perigee 760.534 km 697.949 km
    Orbit Epoch 2026-10-22T20:00:50+0000 2026-10-22T06:18:04+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