Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.253909E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T23:39:54+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 64585
    NORAD ID 64585
    Object Type PAYLOAD
    Country
    IT IT

    Conjunction Constraints

    Parameter LANDSAT 5 IRIDE-MS2-HEO-9
    Time of Closest Approach 2026-09-14T06:22:58+0000
    Collision Probability (Pc) 2.253909E-6
    Conjunction Distance (km) 2.212 km
    Relative Speed (km/s) 14.885 km/s
    Conjunction Risk Parameters R (Radial): -0.146 | I (In-track): 0.349 | C (Cross-track): 2.18
    Collision Risk Index (CRI) 0.42
    X Position (km) -5841.406 -5841.49
    Position Y (km) -575.263 -573.053
    Position Z (km) -3772.451 -3772.388
    Velocity X (km/s) -4.138 3.889
    Velocity Y (km/s) 0.855 1.603
    Velocity Z (km/s) 6.236 -6.275

    Orbital Parameters 国际轨道数据源

    Parameter LANDSAT 5 IRIDE-MS2-HEO-9
    Semimajor Axis (a) 6930.256 km 6970.033 km
    Eccentricity (e) 0.006809 0.000230
    Inclination (i) 98.0655° 97.7832°
    RAAN 178.2500° 8.6863°
    Perigee Argument 183.3650° 86.8747°
    Mean Anomaly (M) 176.7127° 273.2735°
    Apogee 599.310 km 593.502 km
    Perigee 504.928 km 590.290 km
    Orbit Epoch 2026-09-12T05:03:32+0000 2026-09-12T06:45:07+0000

    LANDSAT 5 & IRIDE-MS2-HEO-9 Collision Probability (Pc) Trend

    LANDSAT 5 & IRIDE-MS2-HEO-9 Collision Probability (Pc) TrendNot Available

    LANDSAT 5 & IRIDE-MS2-HEO-9 Miss Distance (Miss Distance) Trend

    LANDSAT 5 & IRIDE-MS2-HEO-9 Miss Distance (Miss Distance) TrendNot Available

    LANDSAT 5Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDE-MS2-HEO-9Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    LANDSAT 5Collision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDE-MS2-HEO-9Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with LANDSAT 5

    No nearby objects data