Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.585837E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T04:41:12+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 59904
    NORAD ID 59904
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-31924
    Time of Closest Approach 2026-10-19T21:20:04+0000
    Collision Probability (Pc) 5.585837E-6
    Conjunction Distance (km) 1.495 km
    Relative Speed (km/s) 11.136 km/s
    Conjunction Risk Parameters R (Radial): -0.248 | I (In-track): -1.006 | C (Cross-track): 1.078
    Collision Risk Index (CRI) 0.5
    X Position (km) 3728.691 3728.873
    Position Y (km) 3450.751 3452.036
    Position Z (km) 4602.187 4601.446
    Velocity X (km/s) 4.834 -4.507
    Velocity Y (km/s) 2.133 6.085
    Velocity Z (km/s) -5.504 -0.91

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-31924
    Semimajor Axis (a) 6867.480 km 6861.277 km
    Eccentricity (e) 0.001057 0.000105
    Inclination (i) 99.6072° 43.0017°
    RAAN 212.0746° 309.2046°
    Perigee Argument 151.0907° 266.5391°
    Mean Anomaly (M) 209.0911° 93.5341°
    Apogee 496.603 km 483.860 km
    Perigee 482.083 km 482.420 km
    Orbit Epoch 2026-10-18T10:06:38+0000 2026-10-18T02:31:41+0000

    FENGYUN 1C DEB & STARLINK-31924 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-31924 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-31924 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-31924 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31924Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31924Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data