Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.213585E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-07T18:50:15+0800
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    1 Object 1

    AOE ID 30520
    NORAD ID 30520
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 68274
    NORAD ID 68274
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-37129
    Time of Closest Approach 2026-09-07T11:44:06+0000
    Collision Probability (Pc) 1.213585E-6
    Conjunction Distance (km) 2.791 km
    Relative Speed (km/s) 10.6 km/s
    Conjunction Risk Parameters R (Radial): 2.791 | I (In-track): -0.015 | C (Cross-track): 0.011
    Collision Risk Index (CRI) 0.37
    X Position (km) -2205.343 -2206.23
    Position Y (km) 3659.238 3660.721
    Position Z (km) -5346.451 -5348.642
    Velocity X (km/s) -1.409 -7.126
    Velocity Y (km/s) 5.928 -2.369
    Velocity Z (km/s) 4.611 1.318

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-37129
    Semimajor Axis (a) 6866.563 km 6840.760 km
    Eccentricity (e) 0.005281 0.000172
    Inclination (i) 98.7054° 53.1586°
    RAAN 109.4990° 193.8140°
    Perigee Argument 274.0441° 105.7863°
    Mean Anomaly (M) 85.4758° 254.3330°
    Apogee 524.687 km 463.802 km
    Perigee 452.165 km 461.444 km
    Orbit Epoch 2026-09-07T00:56:42+0000 2026-09-06T20:26:24+0000

    FENGYUN 1C DEB & STARLINK-37129 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-37129 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-37129 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-37129 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37129Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37129Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data