Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.175284E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-25T00:53:51+0800
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    1 Object 1

    AOE ID 4449
    NORAD ID 4449
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    Name RADCAL
    AOE ID 22698
    NORAD ID 22698
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter THORAD AGENA D DEB RADCAL
    Time of Closest Approach 2026-10-26T17:44:28+0000
    Collision Probability (Pc) 1.175284E-6
    Conjunction Distance (km) 2.977 km
    Relative Speed (km/s) 11.578 km/s
    Conjunction Risk Parameters R (Radial): -2.923 | I (In-track): -0.358 | C (Cross-track): 0.428
    Collision Risk Index (CRI) 0.36
    X Position (km) -1555.739 -1555.249
    Position Y (km) -1956.794 -1955.466
    Position Z (km) 6667.722 6665.103
    Velocity X (km/s) 6.665 -4.235
    Velocity Y (km/s) -3.342 -5.62
    Velocity Z (km/s) 0.534 -2.637

    Orbital Parameters 国际轨道数据源

    Parameter THORAD AGENA D DEB RADCAL
    Semimajor Axis (a) 7117.369 km 7189.283 km
    Eccentricity (e) 0.005112 0.009015
    Inclination (i) 69.9708° 89.5069°
    RAAN 161.1718° 52.9557°
    Perigee Argument 196.9572° 122.8302°
    Mean Anomaly (M) 162.9854° 238.1611°
    Apogee 775.614 km 875.955 km
    Perigee 702.850 km 746.337 km
    Orbit Epoch 2026-10-24T00:35:25+0000 2026-10-24T07:53:47+0000

    THORAD AGENA D DEB & RADCAL Collision Probability (Pc) Trend

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

    THORAD AGENA D DEB & RADCAL Miss Distance (Miss Distance) Trend

    THORAD AGENA D DEB & RADCAL Miss Distance (Miss Distance) TrendNot Available

    THORAD AGENA D DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    RADCALMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    THORAD AGENA D DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    RADCALCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with THORAD AGENA D DEB

    No nearby objects data