Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.07145E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-13T15:15:31+0800
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    1 Object 1

    AOE ID 38722
    NORAD ID 38722
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 68140
    NORAD ID 68140
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB SHIYAN 30-04
    Time of Closest Approach 2026-09-13T13:17:16+0000
    Collision Probability (Pc) 1.07145E-6
    Conjunction Distance (km) 3 km
    Relative Speed (km/s) 9.988 km/s
    Conjunction Risk Parameters R (Radial): 2.921 | I (In-track): -0.511 | C (Cross-track): 0.454
    Collision Risk Index (CRI) 0.36
    X Position (km) 4488.119 4490.012
    Position Y (km) 4013.966 4015.19
    Position Z (km) -3508.71 -3510.689
    Velocity X (km/s) 3.741 -3.881
    Velocity Y (km/s) 1.425 6.149
    Velocity Z (km/s) 6.469 2.074

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB SHIYAN 30-04
    Semimajor Axis (a) 7051.454 km 6970.006 km
    Eccentricity (e) 0.012889 0.000204
    Inclination (i) 99.3639° 34.9909°
    RAAN 35.2078° 101.7775°
    Perigee Argument 345.9239° 22.6013°
    Mean Anomaly (M) 13.8381° 337.4781°
    Apogee 764.201 km 593.288 km
    Perigee 582.433 km 590.450 km
    Orbit Epoch 2026-09-12T14:29:40+0000 2026-09-12T23:06:28+0000

    FENGYUN 1C DEB & SHIYAN 30-04 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & SHIYAN 30-04 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & SHIYAN 30-04 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & SHIYAN 30-04 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SHIYAN 30-04Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    SHIYAN 30-04Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data