Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.214113E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T13:25:59+0800
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    1 Object 1

    AOE ID 31820
    NORAD ID 31820
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 55605
    NORAD ID 55605
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-5725
    Time of Closest Approach 2026-09-06T00:36:17+0000
    Collision Probability (Pc) 3.214113E-6
    Conjunction Distance (km) 1.699 km
    Relative Speed (km/s) 8.793 km/s
    Conjunction Risk Parameters R (Radial): 1.567 | I (In-track): -0.53 | C (Cross-track): -0.385
    Collision Risk Index (CRI) 0.45
    X Position (km) 803.269 803.217
    Position Y (km) -5759.658 -5761.323
    Position Z (km) -3642.565 -3642.895
    Velocity X (km/s) -1.948 6.23
    Velocity Y (km/s) 3.787 2.931
    Velocity Z (km/s) -6.377 -3.264

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-5725
    Semimajor Axis (a) 6946.335 km 6861.197 km
    Eccentricity (e) 0.013429 0.000141
    Inclination (i) 98.9441° 43.0051°
    RAAN 100.1858° 69.6265°
    Perigee Argument 236.6933° 277.4747°
    Mean Anomaly (M) 122.1367° 82.5944°
    Apogee 661.481 km 484.030 km
    Perigee 474.915 km 482.090 km
    Orbit Epoch 2026-09-03T01:11:30+0000 2026-09-03T13:32:05+0000

    FENGYUN 1C DEB & STARLINK-5725 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-5725 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-5725 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-5725 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5725Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5725Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data