Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.640167E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T21:24:24+0800
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    1 Object 1

    Name CATSAT
    AOE ID 60246
    NORAD ID 60246
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 60402
    NORAD ID 60402
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CATSAT STARLINK-11139
    Time of Closest Approach 2026-09-06T05:38:38+0000
    Collision Probability (Pc) 1.640167E-6
    Conjunction Distance (km) 2.604 km
    Relative Speed (km/s) 14.856 km/s
    Conjunction Risk Parameters R (Radial): -2.56 | I (In-track): -0.128 | C (Cross-track): 0.455
    Collision Risk Index (CRI) 0.39
    X Position (km) 1696.131 1697.209
    Position Y (km) -6370.523 -6372.867
    Position Z (km) 1375.476 1375.826
    Velocity X (km/s) -0.55 4.231
    Velocity Y (km/s) -1.76 2.422
    Velocity Z (km/s) -7.474 5.955

    Orbital Parameters 国际轨道数据源

    Parameter CATSAT STARLINK-11139
    Semimajor Axis (a) 6737.952 km 6737.865 km
    Eccentricity (e) 0.001467 0.000140
    Inclination (i) 97.1985° 53.1610°
    RAAN 101.9901° 281.5787°
    Perigee Argument 236.0216° 93.0348°
    Mean Anomaly (M) 123.9653° 267.0830°
    Apogee 369.701 km 360.674 km
    Perigee 349.929 km 358.782 km
    Orbit Epoch 2026-09-04T20:48:04+0000 2026-09-05T02:04:34+0000

    CATSAT & STARLINK-11139 Collision Probability (Pc) Trend

    CATSAT & STARLINK-11139 Collision Probability (Pc) TrendNot Available

    CATSAT & STARLINK-11139 Miss Distance (Miss Distance) Trend

    CATSAT & STARLINK-11139 Miss Distance (Miss Distance) TrendNot Available

    CATSATMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-11139Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CATSATCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-11139Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CATSAT

    No nearby objects data