Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.447272E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-01T03:44:55+0800
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    1 Object 1

    AOE ID 29982
    NORAD ID 29982
    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 2026-11-01T01:30:44+0000
    Collision Probability (Pc) 1.447272E-6
    Conjunction Distance (km) 2.816 km
    Relative Speed (km/s) 14.695 km/s
    Conjunction Risk Parameters R (Radial): -1.102 | I (In-track): 0.527 | C (Cross-track): -2.536
    Collision Risk Index (CRI) 0.38
    X Position (km) 5427.429 5426.872
    Position Y (km) 635.033 632.36
    Position Z (km) 4498.808 4498.123
    Velocity X (km/s) 4.87 -4.504
    Velocity Y (km/s) -1.02 -1.923
    Velocity Z (km/s) -5.592 5.689

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB LANDSAT 9
    Semimajor Axis (a) 7043.298 km 7080.683 km
    Eccentricity (e) 0.011938 0.000123
    Inclination (i) 99.3753° 98.2142°
    RAAN 177.8372° 12.5887°
    Perigee Argument 25.1496° 84.2145°
    Mean Anomaly (M) 94.2000° 275.9194°
    Apogee 749.247 km 703.416 km
    Perigee 581.075 km 701.676 km
    Orbit Epoch 2026-10-31T04:10:11+0000 2026-10-31T03:54:16+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