Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.710964E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-02T17:26:23+0800
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    1 Object 1

    AOE ID 31231
    NORAD ID 31231
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 39769
    NORAD ID 39769
    Object Type PAYLOAD
    Country
    JP JP

    Conjunction Constraints

    Parameter FENGYUN 1C DEB RISING 2
    Time of Closest Approach 2026-09-02T10:19:34+0000
    Collision Probability (Pc) 1.710964E-6
    Conjunction Distance (km) 2.45 km
    Relative Speed (km/s) 13.31 km/s
    Conjunction Risk Parameters R (Radial): -0.422 | I (In-track): -1.145 | C (Cross-track): 2.124
    Collision Risk Index (CRI) 0.4
    X Position (km) -629.121 -626.833
    Position Y (km) 2001.44 2002.199
    Position Z (km) -6632.577 -6633.007
    Velocity X (km/s) 1.842 5.116
    Velocity Y (km/s) 7.062 -5.175
    Velocity Z (km/s) 2.043 -2.045

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB RISING 2
    Semimajor Axis (a) 6984.077 km 6947.515 km
    Eccentricity (e) 0.011895 0.000315
    Inclination (i) 98.8668° 97.6443°
    RAAN 74.5884° 312.0059°
    Perigee Argument 0.6675° 57.9747°
    Mean Anomaly (M) 359.4676° 302.1781°
    Apogee 689.013 km 571.568 km
    Perigee 522.867 km 567.188 km
    Orbit Epoch 2026-08-30T11:37:19+0000 2026-09-01T21:58:59+0000

    FENGYUN 1C DEB & RISING 2 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & RISING 2 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & RISING 2 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & RISING 2 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    RISING 2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    RISING 2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data