Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.088892E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-05T19:43:26+0800
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    1 Object 1

    AOE ID 30933
    NORAD ID 30933
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 49260
    NORAD ID 49260
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB LANDSAT 9
    Time of Closest Approach 2026-11-05T17:50:12+0000
    Collision Probability (Pc) 1.088892E-6
    Conjunction Distance (km) 2.644 km
    Relative Speed (km/s) 7.644 km/s
    Conjunction Risk Parameters R (Radial): 1.477 | I (In-track): -1.887 | C (Cross-track): -1.114
    Collision Risk Index (CRI) 0.36
    X Position (km) -374.515 -372.457
    Position Y (km) -1179.09 -1179.827
    Position Z (km) 6961.92 6963.406
    Velocity X (km/s) -5.484 -7.131
    Velocity Y (km/s) 5.128 -2.215
    Velocity Z (km/s) 0.582 -0.755

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB LANDSAT 9
    Semimajor Axis (a) 7125.399 km 7080.674 km
    Eccentricity (e) 0.006717 0.000118
    Inclination (i) 99.0562° 98.2140°
    RAAN 315.2022° 17.1253°
    Perigee Argument 77.0674° 85.3990°
    Mean Anomaly (M) 97.5635° 274.7343°
    Apogee 795.122 km 703.373 km
    Perigee 699.402 km 701.701 km
    Orbit Epoch 2026-11-04T18:57:28+0000 2026-11-04T18:19:33+0000

    FENGYUN 1C DEB & LANDSAT 9 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & LANDSAT 9 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & LANDSAT 9 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & LANDSAT 9 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LANDSAT 9Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    LANDSAT 9Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data