Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.617828E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T06:41:41+0800
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    1 Object 1

    AOE ID 31295
    NORAD ID 31295
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 39241
    NORAD ID 39241
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB YAOGAN 17C
    Time of Closest Approach 2026-09-17T01:08:07+0000
    Collision Probability (Pc) 2.617828E-6
    Conjunction Distance (km) 2.053 km
    Relative Speed (km/s) 14.262 km/s
    Conjunction Risk Parameters R (Radial): 0.356 | I (In-track): -0.611 | C (Cross-track): 1.927
    Collision Risk Index (CRI) 0.43
    X Position (km) -1100.583 -1099.072
    Position Y (km) -4175.718 -4176.767
    Position Z (km) 5827.44 5826.531
    Velocity X (km/s) -3.217 6.441
    Velocity Y (km/s) -5.108 2.263
    Velocity Z (km/s) -4.323 3.144

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB YAOGAN 17C
    Semimajor Axis (a) 7282.631 km 7467.049 km
    Eccentricity (e) 0.007745 0.043511
    Inclination (i) 98.3383° 63.3846°
    RAAN 62.0425° 216.3670°
    Perigee Argument 195.7950° 11.9242°
    Mean Anomaly (M) 164.0797° 349.1696°
    Apogee 960.901 km 1413.812 km
    Perigee 848.087 km 764.012 km
    Orbit Epoch 2026-09-15T02:07:02+0000 2026-09-15T14:57:06+0000

    FENGYUN 1C DEB & YAOGAN 17C Collision Probability (Pc) Trend

    FENGYUN 1C DEB & YAOGAN 17C Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & YAOGAN 17C Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & YAOGAN 17C Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YAOGAN 17CMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    YAOGAN 17CCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data