Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.61707E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-08-30T08:38:39+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 36225
    NORAD ID 36225
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 51887
    NORAD ID 51887
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-3551
    Time of Closest Approach 2026-08-30T09:56:31+0000
    Collision Probability (Pc) 1.61707E-6
    Conjunction Distance (km) 2.54 km
    Relative Speed (km/s) 13.498 km/s
    Conjunction Risk Parameters R (Radial): -1.561 | I (In-track): -0.937 | C (Cross-track): 1.77
    Collision Risk Index (CRI) 0.39
    X Position (km) -3255.315 -3254.296
    Position Y (km) -2945.67 -2946.775
    Position Z (km) -5251.429 -5253.476
    Velocity X (km/s) 2.978 3.254
    Velocity Y (km/s) 5.155 -6.675
    Velocity Z (km/s) -4.762 1.73

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-3551
    Semimajor Axis (a) 6838.119 km 6840.869 km
    Eccentricity (e) 0.002265 0.000118
    Inclination (i) 98.8280° 53.1595°
    RAAN 50.3098° 290.4533°
    Perigee Argument 144.4486° 84.9584°
    Mean Anomaly (M) 215.8268° 275.1554°
    Apogee 475.473 km 463.541 km
    Perigee 444.491 km 461.923 km
    Orbit Epoch 2026-08-28T06:53:39+0000 2026-08-29T10:48:46+0000

    FENGYUN 1C DEB & STARLINK-3551 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-3551 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-3551 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-3551 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3551Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3551Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data