Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    7.982735E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-08-29T09:51:15+0800
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    1 Object 1

    AOE ID 31346
    NORAD ID 31346
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 63963
    NORAD ID 63963
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-33801
    Time of Closest Approach 2026-08-29T05:51:47+0000
    Collision Probability (Pc) 7.982735E-6
    Conjunction Distance (km) 1.244 km
    Relative Speed (km/s) 7.635 km/s
    Conjunction Risk Parameters R (Radial): -0.949 | I (In-track): -0.689 | C (Cross-track): 0.414
    Collision Risk Index (CRI) 0.53
    X Position (km) 1126.517 1126.449
    Position Y (km) 6388.455 6389.628
    Position Z (km) 2224.457 2224.049
    Velocity X (km/s) 1.643 -5.533
    Velocity Y (km/s) 2.142 2.574
    Velocity Z (km/s) -7.148 -4.576

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-33801
    Semimajor Axis (a) 6883.295 km 6861.164 km
    Eccentricity (e) 0.009032 0.000141
    Inclination (i) 98.8774° 43.0003°
    RAAN 255.8087° 285.8040°
    Perigee Argument 229.9630° 278.5831°
    Mean Anomaly (M) 129.3653° 81.4861°
    Apogee 567.328 km 483.994 km
    Perigee 442.988 km 482.060 km
    Orbit Epoch 2026-08-28T07:02:07+0000 2026-08-28T11:56:28+0000

    FENGYUN 1C DEB & STARLINK-33801 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-33801 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-33801 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-33801 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33801Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33801Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data