Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    7.01164E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T08:30:10+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 33625
    NORAD ID 33625
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 55310
    NORAD ID 55310
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-5309
    Time of Closest Approach 2026-09-07T02:46:59+0000
    Collision Probability (Pc) 7.01164E-6
    Conjunction Distance (km) 1.433 km
    Relative Speed (km/s) 12.651 km/s
    Conjunction Risk Parameters R (Radial): 1.378 | I (In-track): 0.237 | C (Cross-track): 0.313
    Collision Risk Index (CRI) 0.52
    X Position (km) 2366.197 2366.007
    Position Y (km) -268.898 -269.096
    Position Z (km) 6525.759 6524.353
    Velocity X (km/s) -6.737 0.438
    Velocity Y (km/s) -2.601 7.558
    Velocity Z (km/s) 2.459 0.152

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-5309
    Semimajor Axis (a) 7057.567 km 6950.182 km
    Eccentricity (e) 0.021555 0.000366
    Inclination (i) 98.6428° 69.9977°
    RAAN 15.1939° 273.7037°
    Perigee Argument 32.8386° 268.0086°
    Mean Anomaly (M) 328.5999° 92.0653°
    Apogee 831.553 km 574.592 km
    Perigee 527.307 km 569.498 km
    Orbit Epoch 2026-09-04T07:13:50+0000 2026-09-04T11:54:05+0000

    FENGYUN 1C DEB & STARLINK-5309 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-5309 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-5309 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-5309 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5309Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5309Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data