Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.743232E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-15T07:16:23+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 63976
    NORAD ID 63976
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CASSIOPE STARLINK-34090
    Time of Closest Approach 2026-09-15T19:30:56+0000
    Collision Probability (Pc) 4.743232E-6
    Conjunction Distance (km) 1.617 km
    Relative Speed (km/s) 12.642 km/s
    Conjunction Risk Parameters R (Radial): -1.605 | I (In-track): 0.126 | C (Cross-track): 0.143
    Collision Risk Index (CRI) 0.49
    X Position (km) -4658.936 -4657.911
    Position Y (km) 3722.618 3721.59
    Position Z (km) -3400.42 -3399.71
    Velocity X (km/s) 1.89 -5.595
    Velocity Y (km/s) -3.281 -3.742
    Velocity Z (km/s) -6.604 3.573

    Orbital Parameters 国际轨道数据源

    Parameter CASSIOPE STARLINK-34090
    Semimajor Axis (a) 6849.375 km 6861.158 km
    Eccentricity (e) 0.026975 0.000096
    Inclination (i) 80.9126° 43.0012°
    RAAN 317.6249° 188.2902°
    Perigee Argument 119.5391° 262.5155°
    Mean Anomaly (M) 243.3033° 97.5588°
    Apogee 655.999 km 483.678 km
    Perigee 286.477 km 482.364 km
    Orbit Epoch 2026-09-14T14:24:11+0000 2026-09-14T04:29:16+0000

    CASSIOPE & STARLINK-34090 Collision Probability (Pc) Trend

    CASSIOPE & STARLINK-34090 Collision Probability (Pc) TrendNot Available

    CASSIOPE & STARLINK-34090 Miss Distance (Miss Distance) Trend

    CASSIOPE & STARLINK-34090 Miss Distance (Miss Distance) TrendNot Available

    CASSIOPEMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34090Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CASSIOPECollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34090Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CASSIOPE

    No nearby objects data