Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.058665E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-23T10:26:48+0800
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    1 Object 1

    AOE ID 18510
    NORAD ID 18510
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 25682
    NORAD ID 25682
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SL-8 DEB * LANDSAT 7
    Time of Closest Approach 2026-10-24T06:42:49+0000
    Collision Probability (Pc) 1.058665E-5
    Conjunction Distance (km) 1.314 km
    Relative Speed (km/s) 14.991 km/s
    Conjunction Risk Parameters R (Radial): -0.99 | I (In-track): 0.082 | C (Cross-track): 0.86
    Collision Risk Index (CRI) 0.55
    X Position (km) 2244.752 2245.193
    Position Y (km) -5859.127 -5857.923
    Position Z (km) 3231.204 3230.918
    Velocity X (km/s) 3.352 -2.301
    Velocity Y (km/s) -2.228 2.771
    Velocity Z (km/s) -6.354 6.599

    Orbital Parameters 国际轨道数据源

    Parameter SL-8 DEB * LANDSAT 7
    Semimajor Axis (a) 7066.538 km 7058.406 km
    Eccentricity (e) 0.001139 0.000168
    Inclination (i) 73.9862° 97.8652°
    RAAN 122.6502° 293.6992°
    Perigee Argument 175.5384° 81.7219°
    Mean Anomaly (M) 249.2639° 37.3567°
    Apogee 696.448 km 681.455 km
    Perigee 680.354 km 679.083 km
    Orbit Epoch 2026-10-22T14:53:24+0000 2026-10-22T20:41:01+0000

    SL-8 DEB * & LANDSAT 7 Collision Probability (Pc) Trend

    SL-8 DEB * & LANDSAT 7 Collision Probability (Pc) TrendNot Available

    SL-8 DEB * & LANDSAT 7 Miss Distance (Miss Distance) Trend

    SL-8 DEB * & LANDSAT 7 Miss Distance (Miss Distance) TrendNot Available

    SL-8 DEB *Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LANDSAT 7Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-8 DEB *Collision Probability Trend

    Object 1 Probability TrendNot Available

    LANDSAT 7Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-8 DEB *

    No nearby objects data