Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.274937E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T12:24:29+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 61205
    NORAD ID 61205
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CASSIOPE STARLINK-11277
    Time of Closest Approach 2026-10-30T14:40:25+0000
    Collision Probability (Pc) 2.274937E-6
    Conjunction Distance (km) 2.17 km
    Relative Speed (km/s) 14.08 km/s
    Conjunction Risk Parameters R (Radial): -1.78 | I (In-track): 0.535 | C (Cross-track): -1.118
    Collision Risk Index (CRI) 0.42
    X Position (km) -669.119 -667.747
    Position Y (km) -6376.198 -6374.533
    Position Z (km) 2067.845 2067.624
    Velocity X (km/s) 1.509 4.629
    Velocity Y (km/s) 2.058 -2.339
    Velocity Z (km/s) 7.32 -5.687

    Orbital Parameters 国际轨道数据源

    Parameter CASSIOPE STARLINK-11277
    Semimajor Axis (a) 6838.513 km 6737.794 km
    Eccentricity (e) 0.025490 0.000138
    Inclination (i) 80.9101° 53.1578°
    RAAN 263.5445° 111.3447°
    Perigee Argument 329.8565° 48.0863°
    Mean Anomaly (M) 28.8203° 312.0273°
    Apogee 634.690 km 360.589 km
    Perigee 286.062 km 358.725 km
    Orbit Epoch 2026-10-28T14:06:31+0000 2026-10-27T21:50:27+0000

    CASSIOPE & STARLINK-11277 Collision Probability (Pc) Trend

    CASSIOPE & STARLINK-11277 Collision Probability (Pc) TrendNot Available

    CASSIOPE & STARLINK-11277 Miss Distance (Miss Distance) Trend

    CASSIOPE & STARLINK-11277 Miss Distance (Miss Distance) TrendNot Available

    CASSIOPEMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-11277Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CASSIOPECollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-11277Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CASSIOPE

    No nearby objects data