Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    6.370058E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T11:09:54+0800
    View CDM
    Download CDM 1.0

    1 Object 1

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

    2 Object 2

    AOE ID 64712
    NORAD ID 64712
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-34515
    Time of Closest Approach 2026-10-30T10:34:35+0000
    Collision Probability (Pc) 6.370058E-5
    Conjunction Distance (km) 0.661 km
    Relative Speed (km/s) 7.351 km/s
    Conjunction Risk Parameters R (Radial): 0.349 | I (In-track): -0.49 | C (Cross-track): -0.27
    Collision Risk Index (CRI) 0.71
    X Position (km) -2794.353 -2794.209
    Position Y (km) -2296.644 -2296.376
    Position Z (km) 5815.061 5815.647
    Velocity X (km/s) -6.261 -0.676
    Velocity Y (km/s) -2.236 -6.952
    Velocity Z (km/s) -3.845 -3.065

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-34515
    Semimajor Axis (a) 6948.122 km 6852.690 km
    Eccentricity (e) 0.014223 0.000365
    Inclination (i) 98.8921° 70.0017°
    RAAN 22.6061° 79.9886°
    Perigee Argument 109.3088° 270.0516°
    Mean Anomaly (M) 252.3575° 90.0241°
    Apogee 668.809 km 477.053 km
    Perigee 471.161 km 472.053 km
    Orbit Epoch 2026-10-28T11:35:25+0000 2026-10-28T15:43:17+0000

    FENGYUN 1C DEB & STARLINK-34515 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-34515 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-34515 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-34515 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34515Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34515Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data