Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.565904E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T04:10:46+0800
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    1 Object 1

    AOE ID 31955
    NORAD ID 31955
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    Name OPTOS
    AOE ID 39420
    NORAD ID 39420
    Object Type PAYLOAD
    Country
    ES ES

    Conjunction Constraints

    Parameter FENGYUN 1C DEB OPTOS
    Time of Closest Approach 2026-10-20T22:37:26+0000
    Collision Probability (Pc) 2.565904E-6
    Conjunction Distance (km) 1.794 km
    Relative Speed (km/s) 7.889 km/s
    Conjunction Risk Parameters R (Radial): 0.337 | I (In-track): -1.493 | C (Cross-track): 0.934
    Collision Risk Index (CRI) 0.43
    X Position (km) -269.761 -271.531
    Position Y (km) 1206.907 1206.845
    Position Z (km) 6949.997 6950.28
    Velocity X (km/s) 6.096 6.611
    Velocity Y (km/s) 4.34 -3.402
    Velocity Z (km/s) -0.497 0.926

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB OPTOS
    Semimajor Axis (a) 7043.200 km 7030.948 km
    Eccentricity (e) 0.004146 0.011531
    Inclination (i) 99.2638° 97.6607°
    RAAN 215.3133° 151.4150°
    Perigee Argument 312.5670° 327.8952°
    Mean Anomaly (M) 199.2656° 31.5268°
    Apogee 694.267 km 733.887 km
    Perigee 635.859 km 571.735 km
    Orbit Epoch 2026-10-20T06:32:18+0000 2026-10-20T12:27:51+0000

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

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

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

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

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OPTOSMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    OPTOSCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data