Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.722748E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T13:29:01+0800
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    1 Object 1

    AOE ID 4216
    NORAD ID 4216
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 23533
    NORAD ID 23533
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter THORAD AGENA D DEB DMSP 5D-2 F13 (USA 109)
    Time of Closest Approach 2026-10-28T08:24:07+0000
    Collision Probability (Pc) 1.722748E-6
    Conjunction Distance (km) 2.498 km
    Relative Speed (km/s) 14.306 km/s
    Conjunction Risk Parameters R (Radial): -0.255 | I (In-track): -0.672 | C (Cross-track): 2.393
    Collision Risk Index (CRI) 0.4
    X Position (km) -2752.664 -2750.465
    Position Y (km) 1399.421 1400.533
    Position Z (km) 6506.508 6506.916
    Velocity X (km/s) 0.953 -4.391
    Velocity Y (km/s) -7.101 5.218
    Velocity Z (km/s) 1.959 -2.975

    Orbital Parameters 国际轨道数据源

    Parameter THORAD AGENA D DEB DMSP 5D-2 F13 (USA 109)
    Semimajor Axis (a) 7187.202 km 7213.480 km
    Eccentricity (e) 0.004969 0.000757
    Inclination (i) 70.1043° 98.8012°
    RAAN 104.2893° 313.5864°
    Perigee Argument 306.7021° 128.9645°
    Mean Anomaly (M) 52.9540° 264.3718°
    Apogee 844.776 km 840.804 km
    Perigee 773.354 km 829.882 km
    Orbit Epoch 2026-10-27T21:56:51+0000 2026-10-27T23:33:00+0000

    THORAD AGENA D DEB & DMSP 5D-2 F13 (USA 109) Collision Probability (Pc) Trend

    THORAD AGENA D DEB & DMSP 5D-2 F13 (USA 109) Collision Probability (Pc) TrendNot Available

    THORAD AGENA D DEB & DMSP 5D-2 F13 (USA 109) Miss Distance (Miss Distance) Trend

    THORAD AGENA D DEB & DMSP 5D-2 F13 (USA 109) Miss Distance (Miss Distance) TrendNot Available

    THORAD AGENA D DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    DMSP 5D-2 F13 (USA 109)Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    THORAD AGENA D DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    DMSP 5D-2 F13 (USA 109)Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with THORAD AGENA D DEB

    No nearby objects data