Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.401788E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T13:47:23+0800
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    1 Object 1

    AOE ID 30828
    NORAD ID 30828
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 64721
    NORAD ID 64721
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-34558
    Time of Closest Approach 2026-09-04T22:00:15+0000
    Collision Probability (Pc) 1.401788E-6
    Conjunction Distance (km) 2.886 km
    Relative Speed (km/s) 14.724 km/s
    Conjunction Risk Parameters R (Radial): -0.814 | I (In-track): -0.737 | C (Cross-track): 2.668
    Collision Risk Index (CRI) 0.38
    X Position (km) 3000.058 3000.884
    Position Y (km) -308.372 -310.74
    Position Z (km) 6167.666 6166.239
    Velocity X (km/s) -6.721 4.883
    Velocity Y (km/s) -1.878 5.457
    Velocity Z (km/s) 3.223 -2.098

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-34558
    Semimajor Axis (a) 6999.214 km 6870.268 km
    Eccentricity (e) 0.019265 0.000345
    Inclination (i) 98.3931° 70.0013°
    RAAN 9.9930° 225.0377°
    Perigee Argument 51.0225° 260.3718°
    Mean Anomaly (M) 310.7973° 21.2573°
    Apogee 755.919 km 494.505 km
    Perigee 486.235 km 489.757 km
    Orbit Epoch 2026-09-03T06:50:55+0000 2026-09-03T20:00:02+0000

    FENGYUN 1C DEB & STARLINK-34558 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-34558 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-34558 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-34558 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34558Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34558Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data