Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.684698E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T00:37:41+0800
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    1 Object 1

    AOE ID 31281
    NORAD ID 31281
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 68143
    NORAD ID 68143
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-36995
    Time of Closest Approach 2026-10-21T21:12:58+0000
    Collision Probability (Pc) 2.684698E-6
    Conjunction Distance (km) 2.054 km
    Relative Speed (km/s) 14.885 km/s
    Conjunction Risk Parameters R (Radial): 0.157 | I (In-track): -0.43 | C (Cross-track): 2.002
    Collision Risk Index (CRI) 0.44
    X Position (km) -2602.903 -2601.169
    Position Y (km) 3609.722 3610.817
    Position Z (km) -5209.026 -5208.927
    Velocity X (km/s) -1.893 4.528
    Velocity Y (km/s) 5.551 -3.74
    Velocity Z (km/s) 4.839 -4.857

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-36995
    Semimajor Axis (a) 6812.895 km 6843.683 km
    Eccentricity (e) 0.006395 0.000115
    Inclination (i) 98.4031° 97.2833°
    RAAN 114.1953° 312.0219°
    Perigee Argument 92.1976° 92.5311°
    Mean Anomaly (M) 268.6593° 267.6064°
    Apogee 478.327 km 466.333 km
    Perigee 391.189 km 464.759 km
    Orbit Epoch 2026-10-20T11:12:51+0000 2026-10-19T11:50:16+0000

    FENGYUN 1C DEB & STARLINK-36995 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-36995 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-36995 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-36995 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36995Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36995Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data