Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.922639E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T10:20:12+0800
    View CDM
    Download CDM 1.0

    1 Object 1

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

    2 Object 2

    AOE ID 69139
    NORAD ID 69139
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-37659
    Time of Closest Approach 2026-10-31T09:41:02+0000
    Collision Probability (Pc) 1.922639E-6
    Conjunction Distance (km) 2.168 km
    Relative Speed (km/s) 10.675 km/s
    Conjunction Risk Parameters R (Radial): 1.113 | I (In-track): 1.336 | C (Cross-track): -1.295
    Collision Risk Index (CRI) 0.41
    X Position (km) -290.715 -288.908
    Position Y (km) 1386.852 1387.215
    Position Z (km) 6686.49 6687.631
    Velocity X (km/s) 5.114 5.779
    Velocity Y (km/s) 5.597 -4.829
    Velocity Z (km/s) -0.941 1.249

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-37659
    Semimajor Axis (a) 6855.421 km 6843.613 km
    Eccentricity (e) 0.001561 0.000183
    Inclination (i) 99.6062° 97.2842°
    RAAN 224.9638° 135.7106°
    Perigee Argument 125.4934° 91.6745°
    Mean Anomaly (M) 234.7758° 133.5916°
    Apogee 487.985 km 466.727 km
    Perigee 466.583 km 464.225 km
    Orbit Epoch 2026-10-28T10:37:50+0000 2026-10-28T04:00:02+0000

    FENGYUN 1C DEB & STARLINK-37659 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-37659 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-37659 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-37659 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37659Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37659Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data