Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.289187E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T20:06:54+0800
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    1 Object 1

    AOE ID 31938
    NORAD ID 31938
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 63928
    NORAD ID 63928
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-33997
    Time of Closest Approach 2026-10-19T21:27:19+0000
    Collision Probability (Pc) 1.289187E-6
    Conjunction Distance (km) 2.361 km
    Relative Speed (km/s) 7.343 km/s
    Conjunction Risk Parameters R (Radial): 1.214 | I (In-track): -1.766 | C (Cross-track): -0.989
    Collision Risk Index (CRI) 0.37
    X Position (km) -3216.307 -3215.583
    Position Y (km) -1664.852 -1663.993
    Position Z (km) 5811.296 5813.373
    Velocity X (km/s) -6.558 -2.117
    Velocity Y (km/s) -0.865 -6.653
    Velocity Z (km/s) -3.904 -3.07

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-33997
    Semimajor Axis (a) 6948.397 km 6852.674 km
    Eccentricity (e) 0.014255 0.000367
    Inclination (i) 98.8947° 70.0015°
    RAAN 11.4178° 65.2791°
    Perigee Argument 140.7812° 272.5106°
    Mean Anomaly (M) 220.3841° 87.5649°
    Apogee 669.311 km 477.055 km
    Perigee 471.209 km 472.019 km
    Orbit Epoch 2026-10-18T16:04:59+0000 2026-10-19T02:07:46+0000

    FENGYUN 1C DEB & STARLINK-33997 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-33997 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-33997 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-33997 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33997Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33997Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data