Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.342023E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T01:56:13+0800
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    1 Object 1

    AOE ID 31686
    NORAD ID 31686
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 64764
    NORAD ID 64764
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-34261
    Time of Closest Approach 2026-09-03T19:41:44+0000
    Collision Probability (Pc) 3.342023E-6
    Conjunction Distance (km) 1.886 km
    Relative Speed (km/s) 14.793 km/s
    Conjunction Risk Parameters R (Radial): 1.122 | I (In-track): 0.422 | C (Cross-track): 1.457
    Collision Risk Index (CRI) 0.45
    X Position (km) 5428.142 5426.334
    Position Y (km) -3388.566 -3389.073
    Position Z (km) -2432.09 -2432.262
    Velocity X (km/s) 1.728 0.832
    Velocity Y (km/s) -2.455 5.251
    Velocity Z (km/s) 7.119 -5.475

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-34261
    Semimajor Axis (a) 7018.896 km 6840.847 km
    Eccentricity (e) 0.026669 0.000125
    Inclination (i) 98.1250° 53.1578°
    RAAN 322.5392° 139.8497°
    Perigee Argument 328.6814° 70.8770°
    Mean Anomaly (M) 91.8716° 289.2368°
    Apogee 827.948 km 463.568 km
    Perigee 453.570 km 461.852 km
    Orbit Epoch 2026-09-01T11:08:17+0000 2026-09-02T00:35:35+0000

    FENGYUN 1C DEB & STARLINK-34261 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-34261 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-34261 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-34261 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34261Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34261Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data