Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.838366E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T22:04:36+0800
    View CDM
    Download CDM 1.0

    1 Object 1

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

    2 Object 2

    AOE ID 25985
    NORAD ID 25985
    Object Type PAYLOAD
    Country
    ORB ORB

    Conjunction Constraints

    Parameter THORAD AGENA D DEB ORBCOMM FM 35
    Time of Closest Approach 2026-10-29T19:51:21+0000
    Collision Probability (Pc) 1.838366E-6
    Conjunction Distance (km) 2.172 km
    Relative Speed (km/s) 9.98 km/s
    Conjunction Risk Parameters R (Radial): 1.925 | I (In-track): -0.751 | C (Cross-track): 0.668
    Collision Risk Index (CRI) 0.4
    X Position (km) -3424.91 -3424.956
    Position Y (km) 4182.309 4183.842
    Position Z (km) -4672.25 -4673.787
    Velocity X (km/s) -5.377 -4.292
    Velocity Y (km/s) 1.241 -5.766
    Velocity Z (km/s) 5.01 -2.012

    Orbital Parameters 国际轨道数据源

    Parameter THORAD AGENA D DEB ORBCOMM FM 35
    Semimajor Axis (a) 7117.353 km 7142.400 km
    Eccentricity (e) 0.005091 0.000528
    Inclination (i) 69.9708° 45.0380°
    RAAN 154.2604° 261.9695°
    Perigee Argument 192.7972° 339.8541°
    Mean Anomaly (M) 167.1872° 20.2099°
    Apogee 775.448 km 768.035 km
    Perigee 702.984 km 760.491 km
    Orbit Epoch 2026-10-26T23:59:11+0000 2026-10-27T05:01:41+0000

    THORAD AGENA D DEB & ORBCOMM FM 35 Collision Probability (Pc) Trend

    THORAD AGENA D DEB & ORBCOMM FM 35 Collision Probability (Pc) TrendNot Available

    THORAD AGENA D DEB & ORBCOMM FM 35 Miss Distance (Miss Distance) Trend

    THORAD AGENA D DEB & ORBCOMM FM 35 Miss Distance (Miss Distance) TrendNot Available

    THORAD AGENA D DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ORBCOMM FM 35Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    THORAD AGENA D DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    ORBCOMM FM 35Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with THORAD AGENA D DEB

    No nearby objects data