Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.201834E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T20:07:34+0800
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    1 Object 1

    AOE ID 39265
    NORAD ID 39265
    Object Type PAYLOAD
    Country
    CA CA
    ← VS →

    2 Object 2

    AOE ID 43778
    NORAD ID 43778
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CASSIOPE SPAWAR-CAL-OR
    Time of Closest Approach 2026-10-20T13:13:39+0000
    Collision Probability (Pc) 1.201834E-6
    Conjunction Distance (km) 2.582 km
    Relative Speed (km/s) 8.514 km/s
    Conjunction Risk Parameters R (Radial): 2.306 | I (In-track): 0.925 | C (Cross-track): 0.702
    Collision Risk Index (CRI) 0.37
    X Position (km) -1146.264 -1146.493
    Position Y (km) 1336.956 1337.447
    Position Z (km) -6642.662 -6640.138
    Velocity X (km/s) 0.235 7.035
    Velocity Y (km/s) -7.469 -2.357
    Velocity Z (km/s) -1.342 -1.693

    Orbital Parameters 国际轨道数据源

    Parameter CASSIOPE SPAWAR-CAL-OR
    Semimajor Axis (a) 6841.186 km 6868.276 km
    Eccentricity (e) 0.025880 0.000954
    Inclination (i) 80.9088° 97.3653°
    RAAN 274.2329° 339.0939°
    Perigee Argument 359.5733° 230.7381°
    Mean Anomaly (M) 0.5239° 129.3011°
    Apogee 640.097 km 496.690 km
    Perigee 286.001 km 483.588 km
    Orbit Epoch 2026-10-19T22:00:22+0000 2026-10-19T20:21:30+0000

    CASSIOPE & SPAWAR-CAL-OR Collision Probability (Pc) Trend

    CASSIOPE & SPAWAR-CAL-OR Collision Probability (Pc) TrendNot Available

    CASSIOPE & SPAWAR-CAL-OR Miss Distance (Miss Distance) Trend

    CASSIOPE & SPAWAR-CAL-OR Miss Distance (Miss Distance) TrendNot Available

    CASSIOPEMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SPAWAR-CAL-ORMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CASSIOPECollision Probability Trend

    Object 1 Probability TrendNot Available

    SPAWAR-CAL-ORCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CASSIOPE

    No nearby objects data