Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.304062E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T05:37:38+0800
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    1 Object 1

    AOE ID 31021
    NORAD ID 31021
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 63443
    NORAD ID 63443
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-33753
    Time of Closest Approach 2026-10-19T20:42:41+0000
    Collision Probability (Pc) 1.304062E-6
    Conjunction Distance (km) 2.864 km
    Relative Speed (km/s) 12.767 km/s
    Conjunction Risk Parameters R (Radial): 2.715 | I (In-track): -0.514 | C (Cross-track): -0.755
    Collision Risk Index (CRI) 0.37
    X Position (km) 1329.155 1328.207
    Position Y (km) 3938.996 3938.137
    Position Z (km) -5443.333 -5440.771
    Velocity X (km/s) 3.643 -7.435
    Velocity Y (km/s) 5.005 1.53
    Velocity Z (km/s) 4.6 -0.708

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-33753
    Semimajor Axis (a) 7009.720 km 6840.839 km
    Eccentricity (e) 0.025475 0.000169
    Inclination (i) 98.3793° 53.1569°
    RAAN 58.8955° 180.8274°
    Perigee Argument 331.6052° 89.2204°
    Mean Anomaly (M) 27.1469° 270.8992°
    Apogee 810.155 km 463.857 km
    Perigee 453.011 km 461.547 km
    Orbit Epoch 2026-10-18T14:05:52+0000 2026-10-18T01:21:43+0000

    FENGYUN 1C DEB & STARLINK-33753 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-33753 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-33753 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-33753 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33753Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33753Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data