Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.7316E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T22:23:32+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 6157
    NORAD ID 6157
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    Name NOAA 15
    AOE ID 25338
    NORAD ID 25338
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter THORAD AGENA D DEB NOAA 15
    Time of Closest Approach 2026-10-28T13:34:52+0000
    Collision Probability (Pc) 1.7316E-5
    Conjunction Distance (km) 1.137 km
    Relative Speed (km/s) 14.703 km/s
    Conjunction Risk Parameters R (Radial): -0.847 | I (In-track): 0.132 | C (Cross-track): -0.745
    Collision Risk Index (CRI) 0.6
    X Position (km) -5414.596 -5415.715
    Position Y (km) 4482.178 4482.122
    Position Z (km) 1492.961 1493.154
    Velocity X (km/s) 2.014 -0.465
    Velocity Y (km/s) 0.031 1.845
    Velocity Z (km/s) 7.178 -7.199

    Orbital Parameters 国际轨道数据源

    Parameter THORAD AGENA D DEB NOAA 15
    Semimajor Axis (a) 7195.703 km 7179.314 km
    Eccentricity (e) 0.001549 0.000953
    Inclination (i) 99.8847° 98.5017°
    RAAN 140.7689° 317.3093°
    Perigee Argument 7.6406° 325.7053°
    Mean Anomaly (M) 352.5001° 34.3511°
    Apogee 828.711 km 808.021 km
    Perigee 806.421 km 794.333 km
    Orbit Epoch 2026-10-27T00:22:53+0000 2026-10-27T06:30:37+0000

    THORAD AGENA D DEB & NOAA 15 Collision Probability (Pc) Trend

    THORAD AGENA D DEB & NOAA 15 Collision Probability (Pc) TrendNot Available

    THORAD AGENA D DEB & NOAA 15 Miss Distance (Miss Distance) Trend

    THORAD AGENA D DEB & NOAA 15 Miss Distance (Miss Distance) TrendNot Available

    THORAD AGENA D DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    NOAA 15Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    THORAD AGENA D DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    NOAA 15Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with THORAD AGENA D DEB

    No nearby objects data