Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    8.217092E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-08-29T14:21:03+0800
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    1 Object 1

    AOE ID 47041
    NORAD ID 47041
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 59031
    NORAD ID 59031
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB * STARLINK-31211
    Time of Closest Approach 2026-08-29T09:16:02+0000
    Collision Probability (Pc) 8.217092E-5
    Conjunction Distance (km) 0.704 km
    Relative Speed (km/s) 14.279 km/s
    Conjunction Risk Parameters R (Radial): -0.192 | I (In-track): 0.246 | C (Cross-track): -0.63
    Collision Risk Index (CRI) 0.73
    X Position (km) -2632.21 -2631.772
    Position Y (km) 6048.039 6048.527
    Position Z (km) -1892.732 -1892.477
    Velocity X (km/s) 1.866 -5.861
    Velocity Y (km/s) -1.445 -1.065
    Velocity Z (km/s) -7.244 4.758

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB * STARLINK-31211
    Semimajor Axis (a) 6853.024 km 6861.222 km
    Eccentricity (e) 0.000846 0.000134
    Inclination (i) 98.2300° 43.0014°
    RAAN 292.6014° 135.1146°
    Perigee Argument 52.6478° 270.1264°
    Mean Anomaly (M) 307.5529° 89.9434°
    Apogee 480.683 km 484.003 km
    Perigee 469.091 km 482.167 km
    Orbit Epoch 2026-08-26T09:48:10+0000 2026-08-28T17:40:43+0000

    FENGYUN 1C DEB * & STARLINK-31211 Collision Probability (Pc) Trend

    FENGYUN 1C DEB * & STARLINK-31211 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB * & STARLINK-31211 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB * & STARLINK-31211 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEB *Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31211Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEB *Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31211Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB *

    No nearby objects data