Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.485721E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T03:06:28+0800
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    1 Object 1

    AOE ID 552
    NORAD ID 552
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 65159
    NORAD ID 65159
    Object Type PAYLOAD
    Country
    ESA ESA

    Conjunction Constraints

    Parameter THOR ABLESTAR DEB METOP SG-A
    Time of Closest Approach 2026-09-17T22:07:03+0000
    Collision Probability (Pc) 1.485721E-5
    Conjunction Distance (km) 1.166 km
    Relative Speed (km/s) 13.442 km/s
    Conjunction Risk Parameters R (Radial): -0.379 | I (In-track): 0.479 | C (Cross-track): 0.993
    Collision Risk Index (CRI) 0.58
    X Position (km) -1341.25 -1341.03
    Position Y (km) 2512.263 2513.407
    Position Z (km) -6619.199 -6619.223
    Velocity X (km/s) -7.233 5.478
    Velocity Y (km/s) -1.658 -4.221
    Velocity Z (km/s) 0.827 -2.713

    Orbital Parameters 国际轨道数据源

    Parameter THOR ABLESTAR DEB METOP SG-A
    Semimajor Axis (a) 7272.560 km 7198.412 km
    Eccentricity (e) 0.010126 0.000086
    Inclination (i) 67.7360° 98.7077°
    RAAN 198.2622° 316.1876°
    Perigee Argument 273.3305° 91.2833°
    Mean Anomaly (M) 85.6206° 268.8443°
    Apogee 968.067 km 820.897 km
    Perigee 820.779 km 819.653 km
    Orbit Epoch 2026-09-14T13:54:47+0000 2026-09-15T03:04:13+0000

    THOR ABLESTAR DEB & METOP SG-A Collision Probability (Pc) Trend

    THOR ABLESTAR DEB & METOP SG-A Collision Probability (Pc) TrendNot Available

    THOR ABLESTAR DEB & METOP SG-A Miss Distance (Miss Distance) Trend

    THOR ABLESTAR DEB & METOP SG-A Miss Distance (Miss Distance) TrendNot Available

    THOR ABLESTAR DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    METOP SG-AMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    THOR ABLESTAR DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    METOP SG-ACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with THOR ABLESTAR DEB

    No nearby objects data