Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.099287E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-15T03:57:06+0800
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    1 Object 1

    AOE ID 29771
    NORAD ID 29771
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    Name HJS-9C
    AOE ID 68833
    NORAD ID 68833
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB HJS-9C
    Time of Closest Approach 2026-10-14T22:34:53+0000
    Collision Probability (Pc) 1.099287E-6
    Conjunction Distance (km) 2.406 km
    Relative Speed (km/s) 5.916 km/s
    Conjunction Risk Parameters R (Radial): 2.4 | I (In-track): 0.165 | C (Cross-track): -0.065
    Collision Risk Index (CRI) 0.36
    X Position (km) -5841.855 -5843.905
    Position Y (km) -3334.23 -3335.442
    Position Z (km) -1454.473 -1454.811
    Velocity X (km/s) -2.013 1.089
    Velocity Y (km/s) 0.346 -4.521
    Velocity Z (km/s) 7.329 6.028

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB HJS-9C
    Semimajor Axis (a) 6873.021 km 6886.280 km
    Eccentricity (e) 0.000800 0.000774
    Inclination (i) 99.6065° 54.9981°
    RAAN 206.4443° 221.2935°
    Perigee Argument 162.6829° 16.3590°
    Mean Anomaly (M) 197.4676° 343.7678°
    Apogee 500.382 km 513.471 km
    Perigee 489.386 km 502.815 km
    Orbit Epoch 2026-10-14T00:34:22+0000 2026-10-14T06:51:25+0000

    FENGYUN 1C DEB & HJS-9C Collision Probability (Pc) Trend

    FENGYUN 1C DEB & HJS-9C Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & HJS-9C Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & HJS-9C Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HJS-9CMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    HJS-9CCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data