Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.211144E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-08-29T22:03:14+0800
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    1 Object 1

    AOE ID 31644
    NORAD ID 31644
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 64347
    NORAD ID 64347
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-34407
    Time of Closest Approach 2026-08-30T13:45:21+0000
    Collision Probability (Pc) 2.211144E-6
    Conjunction Distance (km) 2.235 km
    Relative Speed (km/s) 14.96 km/s
    Conjunction Risk Parameters R (Radial): -2.228 | I (In-track): -0.012 | C (Cross-track): -0.161
    Collision Risk Index (CRI) 0.42
    X Position (km) 4053.34 4051.959
    Position Y (km) -1098.346 -1098.131
    Position Z (km) 5536.408 5534.665
    Velocity X (km/s) 5.223 -3.683
    Velocity Y (km/s) -3.38 5.44
    Velocity Z (km/s) -4.397 3.769

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-34407
    Semimajor Axis (a) 7036.651 km 6950.183 km
    Eccentricity (e) 0.014910 0.000346
    Inclination (i) 98.6491° 70.0022°
    RAAN 151.5884° 321.0491°
    Perigee Argument 92.6694° 270.4147°
    Mean Anomaly (M) 325.2830° 89.6615°
    Apogee 763.432 km 574.452 km
    Perigee 553.596 km 569.640 km
    Orbit Epoch 2026-08-28T23:53:54+0000 2026-08-28T15:02:00+0000

    FENGYUN 1C DEB & STARLINK-34407 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-34407 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-34407 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-34407 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34407Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34407Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data