Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.952262E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-02T20:32:22+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 31346
    NORAD ID 31346
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 59270
    NORAD ID 59270
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-31616
    Time of Closest Approach 2026-09-02T20:28:14+0000
    Collision Probability (Pc) 1.952262E-6
    Conjunction Distance (km) 2.365 km
    Relative Speed (km/s) 14.828 km/s
    Conjunction Risk Parameters R (Radial): -2.127 | I (In-track): 0.253 | C (Cross-track): -1
    Collision Risk Index (CRI) 0.41
    X Position (km) 697.647 698.798
    Position Y (km) 6682.912 6684.817
    Position Z (km) 1269.079 1269.877
    Velocity X (km/s) 1.338 -4.751
    Velocity Y (km/s) 1.236 -0.641
    Velocity Z (km/s) -7.443 5.945

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-31616
    Semimajor Axis (a) 6882.998 km 6840.894 km
    Eccentricity (e) 0.009046 0.000101
    Inclination (i) 98.8780° 53.1593°
    RAAN 260.7638° 80.7735°
    Perigee Argument 215.6687° 89.1098°
    Mean Anomaly (M) 143.8479° 271.0020°
    Apogee 567.122 km 463.447 km
    Perigee 442.600 km 462.067 km
    Orbit Epoch 2026-09-01T12:07:57+0000 2026-09-01T19:24:01+0000

    FENGYUN 1C DEB & STARLINK-31616 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-31616 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-31616 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-31616 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31616Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31616Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data