Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.103161E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T21:31:28+0800
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    1 Object 1

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

    2 Object 2

    AOE ID 39767
    NORAD ID 39767
    Object Type PAYLOAD
    Country
    JP JP

    Conjunction Constraints

    Parameter THORAD AGENA D DEB UNIFORM 1
    Time of Closest Approach 2026-11-01T15:37:22+0000
    Collision Probability (Pc) 3.103161E-6
    Conjunction Distance (km) 1.441 km
    Relative Speed (km/s) 3.814 km/s
    Conjunction Risk Parameters R (Radial): 1.404 | I (In-track): -0.313 | C (Cross-track): 0.086
    Collision Risk Index (CRI) 0.45
    X Position (km) 4656.857 4655.962
    Position Y (km) 4692.836 4691.991
    Position Z (km) -2192.113 -2191.365
    Velocity X (km/s) -0.355 2.425
    Velocity Y (km/s) 3.487 0.908
    Velocity Z (km/s) 6.702 7.107

    Orbital Parameters 国际轨道数据源

    Parameter THORAD AGENA D DEB UNIFORM 1
    Semimajor Axis (a) 6957.358 km 6956.363 km
    Eccentricity (e) 0.001185 0.000421
    Inclination (i) 70.1196° 97.8078°
    RAAN 60.4494° 39.9491°
    Perigee Argument 230.5304° 205.9151°
    Mean Anomaly (M) 129.4807° 154.1860°
    Apogee 587.467 km 581.157 km
    Perigee 570.975 km 575.295 km
    Orbit Epoch 2026-10-29T07:28:30+0000 2026-10-29T23:30:33+0000

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

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

    THORAD AGENA D DEB & UNIFORM 1 Miss Distance (Miss Distance) Trend

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

    THORAD AGENA D DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    UNIFORM 1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    THORAD AGENA D DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    UNIFORM 1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with THORAD AGENA D DEB

    No nearby objects data