Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.532164E-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

    Name YAM-9
    AOE ID 66694
    NORAD ID 66694
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter LANDSAT 5 YAM-9
    Time of Closest Approach 2026-10-31T08:38:57+0000
    Collision Probability (Pc) 5.532164E-6
    Conjunction Distance (km) 1.582 km
    Relative Speed (km/s) 14.354 km/s
    Conjunction Risk Parameters R (Radial): -1.58 | I (In-track): 0.029 | C (Cross-track): 0.05
    Collision Risk Index (CRI) 0.5
    X Position (km) -2388.325 -2387.799
    Position Y (km) -1424.93 -1424.551
    Position Z (km) 6304.663 6303.221
    Velocity X (km/s) 4.244 -6.907
    Velocity Y (km/s) 5.621 -1.29
    Velocity Z (km/s) 2.914 -2.909

    Orbital Parameters 国际轨道数据源

    Parameter LANDSAT 5 YAM-9
    Semimajor Axis (a) 6929.704 km 6896.884 km
    Eccentricity (e) 0.006856 0.000875
    Inclination (i) 98.0706° 97.4077°
    RAAN 228.9473° 12.9080°
    Perigee Argument 22.3793° 197.1973°
    Mean Anomaly (M) 338.0398° 358.1781°
    Apogee 599.075 km 524.781 km
    Perigee 504.059 km 512.713 km
    Orbit Epoch 2026-10-30T17:59:34+0000 2026-10-30T14:00:03+0000

    LANDSAT 5 & YAM-9 Collision Probability (Pc) Trend

    LANDSAT 5 & YAM-9 Collision Probability (Pc) TrendNot Available

    LANDSAT 5 & YAM-9 Miss Distance (Miss Distance) Trend

    LANDSAT 5 & YAM-9 Miss Distance (Miss Distance) TrendNot Available

    LANDSAT 5Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YAM-9Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    LANDSAT 5Collision Probability Trend

    Object 1 Probability TrendNot Available

    YAM-9Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with LANDSAT 5

    No nearby objects data