Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.057246E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-31T16:18:29+0800
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    1 Object 1

    AOE ID 14780
    NORAD ID 14780
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58143
    NORAD ID 58143
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter LANDSAT 5 YAOGAN-39 04B
    Time of Closest Approach 2026-11-02T08:14:03+0000
    Collision Probability (Pc) 1.057246E-6
    Conjunction Distance (km) 2.744 km
    Relative Speed (km/s) 7.984 km/s
    Conjunction Risk Parameters R (Radial): -0.929 | I (In-track): -2.198 | C (Cross-track): 1.354
    Collision Risk Index (CRI) 0.35
    X Position (km) -4298.975 -4299.259
    Position Y (km) -5371.843 -5370.547
    Position Z (km) 276.258 273.856
    Velocity X (km/s) -0.636 4.985
    Velocity Y (km/s) 0.921 -3.763
    Velocity Z (km/s) 7.553 4.36

    Orbital Parameters 国际轨道数据源

    Parameter LANDSAT 5 YAOGAN-39 04B
    Semimajor Axis (a) 6929.704 km 6893.246 km
    Eccentricity (e) 0.006856 0.001012
    Inclination (i) 98.0706° 34.9937°
    RAAN 228.9473° 243.2371°
    Perigee Argument 22.3793° 335.5776°
    Mean Anomaly (M) 338.0398° 24.4456°
    Apogee 599.075 km 522.089 km
    Perigee 504.059 km 508.129 km
    Orbit Epoch 2026-10-30T17:59:34+0000 2026-10-30T21:46:26+0000

    LANDSAT 5 & YAOGAN-39 04B Collision Probability (Pc) Trend

    LANDSAT 5 & YAOGAN-39 04B Collision Probability (Pc) TrendNot Available

    LANDSAT 5 & YAOGAN-39 04B Miss Distance (Miss Distance) Trend

    LANDSAT 5 & YAOGAN-39 04B Miss Distance (Miss Distance) TrendNot Available

    LANDSAT 5Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YAOGAN-39 04BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    LANDSAT 5Collision Probability Trend

    Object 1 Probability TrendNot Available

    YAOGAN-39 04BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with LANDSAT 5

    No nearby objects data