Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.668692E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T06:37:42+0800
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    1 Object 1

    AOE ID 31686
    NORAD ID 31686
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 66193
    NORAD ID 66193
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-35197
    Time of Closest Approach 2026-09-12T03:37:27+0000
    Collision Probability (Pc) 4.668692E-6
    Conjunction Distance (km) 1.647 km
    Relative Speed (km/s) 13.475 km/s
    Conjunction Risk Parameters R (Radial): 1.646 | I (In-track): 0.03 | C (Cross-track): -0.06
    Collision Risk Index (CRI) 0.48
    X Position (km) 4183.4 4184.452
    Position Y (km) -1260.974 -1261.236
    Position Z (km) -5268.811 -5270.051
    Velocity X (km/s) 5.087 0.146
    Velocity Y (km/s) -3.319 7.439
    Velocity Z (km/s) 4.769 -1.666

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-35197
    Semimajor Axis (a) 7018.707 km 6840.829 km
    Eccentricity (e) 0.026601 0.000191
    Inclination (i) 98.1251° 53.1589°
    RAAN 332.6349° 101.1786°
    Perigee Argument 296.3333° 117.2751°
    Mean Anomaly (M) 73.4244° 242.8447°
    Apogee 827.273 km 464.003 km
    Perigee 453.867 km 461.381 km
    Orbit Epoch 2026-09-11T11:38:14+0000 2026-09-11T14:00:56+0000

    FENGYUN 1C DEB & STARLINK-35197 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-35197 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-35197 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-35197 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35197Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35197Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data