Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.82856E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T01:02:03+0800
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    1 Object 1

    AOE ID 29771
    NORAD ID 29771
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 59797
    NORAD ID 59797
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-31907
    Time of Closest Approach 2026-10-20T05:19:33+0000
    Collision Probability (Pc) 2.82856E-6
    Conjunction Distance (km) 1.995 km
    Relative Speed (km/s) 14.378 km/s
    Conjunction Risk Parameters R (Radial): -0.324 | I (In-track): -0.67 | C (Cross-track): -1.849
    Collision Risk Index (CRI) 0.44
    X Position (km) 5315.694 5316.273
    Position Y (km) 3986.848 3985.149
    Position Z (km) 1701.694 1702.562
    Velocity X (km/s) 2.289 -4.452
    Velocity Y (km/s) 0.075 3.858
    Velocity Z (km/s) -7.278 4.845

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-31907
    Semimajor Axis (a) 6866.666 km 6861.183 km
    Eccentricity (e) 0.001087 0.000043
    Inclination (i) 99.6071° 42.9987°
    RAAN 212.9158° 26.0877°
    Perigee Argument 149.9702° 311.9551°
    Mean Anomaly (M) 210.2154° 48.1265°
    Apogee 495.993 km 483.339 km
    Perigee 481.065 km 482.753 km
    Orbit Epoch 2026-10-19T01:51:05+0000 2026-10-19T07:15:47+0000

    FENGYUN 1C DEB & STARLINK-31907 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-31907 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-31907 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-31907 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31907Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31907Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data