Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.114019E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-25T05:58:16+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 59036
    NORAD ID 59036
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-31217
    Time of Closest Approach 2026-10-25T08:56:19+0000
    Collision Probability (Pc) 3.114019E-6
    Conjunction Distance (km) 1.912 km
    Relative Speed (km/s) 14.054 km/s
    Conjunction Risk Parameters R (Radial): -1.177 | I (In-track): -0.579 | C (Cross-track): 1.391
    Collision Risk Index (CRI) 0.45
    X Position (km) -4876.164 -4876.386
    Position Y (km) -3493.708 -3492.324
    Position Z (km) 3324.69 3323.389
    Velocity X (km/s) 2.117 2.06
    Velocity Y (km/s) 3.305 -6.368
    Velocity Z (km/s) 6.536 -3.658

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-31217
    Semimajor Axis (a) 6859.696 km 6861.208 km
    Eccentricity (e) 0.001349 0.000086
    Inclination (i) 99.6062° 43.0035°
    RAAN 219.3150° 79.2451°
    Perigee Argument 135.8947° 279.5072°
    Mean Anomaly (M) 224.3363° 80.5682°
    Apogee 490.812 km 483.661 km
    Perigee 472.306 km 482.481 km
    Orbit Epoch 2026-10-24T01:23:10+0000 2026-10-24T02:32:09+0000

    FENGYUN 1C DEB & STARLINK-31217 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-31217 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-31217 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-31217 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31217Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31217Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data