Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.539415E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T18:50:48+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 4938
    NORAD ID 4938
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 35685
    NORAD ID 35685
    Object Type PAYLOAD
    Country
    ES ES

    Conjunction Constraints

    Parameter THORAD AGENA D DEB NANOSAT 1B
    Time of Closest Approach 2026-09-06T19:26:14+0000
    Collision Probability (Pc) 2.539415E-6
    Conjunction Distance (km) 2.108 km
    Relative Speed (km/s) 15.068 km/s
    Conjunction Risk Parameters R (Radial): -1.027 | I (In-track): -0.193 | C (Cross-track): -1.829
    Collision Risk Index (CRI) 0.43
    X Position (km) -6830.769 -6831.426
    Position Y (km) -1307.193 -1309.136
    Position Z (km) -230.894 -231.378
    Velocity X (km/s) 0.25 0.07
    Velocity Y (km/s) -2.574 1.103
    Velocity Z (km/s) 7.117 -7.494

    Orbital Parameters 国际轨道数据源

    Parameter THORAD AGENA D DEB NANOSAT 1B
    Semimajor Axis (a) 6959.712 km 6965.850 km
    Eccentricity (e) 0.001332 0.004782
    Inclination (i) 70.1180° 98.1249°
    RAAN 197.8610° 9.4246°
    Perigee Argument 295.7106° 260.8371°
    Mean Anomaly (M) 64.2676° 98.7435°
    Apogee 590.847 km 621.027 km
    Perigee 572.303 km 554.399 km
    Orbit Epoch 2026-09-04T06:26:11+0000 2026-09-05T04:01:28+0000

    THORAD AGENA D DEB & NANOSAT 1B Collision Probability (Pc) Trend

    THORAD AGENA D DEB & NANOSAT 1B Collision Probability (Pc) TrendNot Available

    THORAD AGENA D DEB & NANOSAT 1B Miss Distance (Miss Distance) Trend

    THORAD AGENA D DEB & NANOSAT 1B Miss Distance (Miss Distance) TrendNot Available

    THORAD AGENA D DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    NANOSAT 1BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    THORAD AGENA D DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    NANOSAT 1BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with THORAD AGENA D DEB

    No nearby objects data