Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.487975E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T22:16:33+0800
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    1 Object 1

    AOE ID 33684
    NORAD ID 33684
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 68555
    NORAD ID 68555
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-37146
    Time of Closest Approach 2026-09-11T22:18:09+0000
    Collision Probability (Pc) 2.487975E-6
    Conjunction Distance (km) 2.084 km
    Relative Speed (km/s) 13.947 km/s
    Conjunction Risk Parameters R (Radial): 1.119 | I (In-track): 0.728 | C (Cross-track): 1.6
    Collision Risk Index (CRI) 0.43
    X Position (km) -4297.564 -4298.03
    Position Y (km) 1686.12 1684.813
    Position Z (km) -5052.33 -5053.885
    Velocity X (km/s) 5.766 -4.873
    Velocity Y (km/s) -0.33 -5.375
    Velocity Z (km/s) -5.123 2.352

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-37146
    Semimajor Axis (a) 7010.860 km 6840.710 km
    Eccentricity (e) 0.026756 0.000184
    Inclination (i) 99.0414° 53.1586°
    RAAN 347.8047° 216.7484°
    Perigee Argument 207.8371° 215.1229°
    Mean Anomaly (M) 150.8303° 144.9652°
    Apogee 820.305 km 463.834 km
    Perigee 445.141 km 461.312 km
    Orbit Epoch 2026-09-11T05:02:05+0000 2026-09-11T06:57:48+0000

    FENGYUN 1C DEB & STARLINK-37146 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-37146 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-37146 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-37146 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37146Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37146Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data