Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    2.56369E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T01:21:09+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 65865
    NORAD ID 65865
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-35475
    Time of Closest Approach 2026-10-20T15:15:57+0000
    Collision Probability (Pc) 2.56369E-4
    Conjunction Distance (km) 0.447 km
    Relative Speed (km/s) 14.343 km/s
    Conjunction Risk Parameters R (Radial): 0.123 | I (In-track): -0.155 | C (Cross-track): -0.399
    Collision Risk Index (CRI) 0.83
    X Position (km) 1610.152 1609.878
    Position Y (km) -5086.666 -5087.003
    Position Z (km) -4289.162 -4289.062
    Velocity X (km/s) -2.764 6.515
    Velocity Y (km/s) 4.004 -1.138
    Velocity Z (km/s) -5.853 3.799

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-35475
    Semimajor Axis (a) 6813.346 km 6840.872 km
    Eccentricity (e) 0.006406 0.000140
    Inclination (i) 98.4041° 53.1592°
    RAAN 112.4753° 330.9753°
    Perigee Argument 97.3920° 91.5297°
    Mean Anomaly (M) 263.4610° 268.5866°
    Apogee 478.853 km 463.694 km
    Perigee 391.565 km 461.776 km
    Orbit Epoch 2026-10-18T23:26:06+0000 2026-10-19T06:39:44+0000

    FENGYUN 1C DEB & STARLINK-35475 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-35475 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-35475 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-35475 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35475Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35475Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data