Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.405367E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:26:25+0800
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    1 Object 1

    AOE ID 33679
    NORAD ID 33679
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 52539
    NORAD ID 52539
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-3757
    Time of Closest Approach 2026-10-20T07:58:29+0000
    Collision Probability (Pc) 3.405367E-6
    Conjunction Distance (km) 1.803 km
    Relative Speed (km/s) 12.54 km/s
    Conjunction Risk Parameters R (Radial): -1.789 | I (In-track): -0.115 | C (Cross-track): -0.188
    Collision Risk Index (CRI) 0.46
    X Position (km) 236.679 236.618
    Position Y (km) 4112.754 4113.979
    Position Z (km) -5466.402 -5467.723
    Velocity X (km/s) 2.397 -7.614
    Velocity Y (km/s) 5.713 -0.064
    Velocity Z (km/s) 4.485 -0.378

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-3757
    Semimajor Axis (a) 6882.068 km 6840.879 km
    Eccentricity (e) 0.010567 0.000141
    Inclination (i) 99.3510° 53.1620°
    RAAN 70.9901° 188.3183°
    Perigee Argument 7.7459° 86.5786°
    Mean Anomaly (M) 352.5372° 273.5378°
    Apogee 576.654 km 463.710 km
    Perigee 431.208 km 461.774 km
    Orbit Epoch 2026-10-17T20:12:00+0000 2026-10-19T02:40:47+0000

    FENGYUN 1C DEB & STARLINK-3757 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-3757 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-3757 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-3757 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3757Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3757Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data