Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.034567E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-13T13:26:23+0800
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    1 Object 1

    Name USA 61
    AOE ID 20691
    NORAD ID 20691
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 65327
    NORAD ID 65327
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter USA 61 STARLINK-34880
    Time of Closest Approach 2026-09-14T22:04:21+0000
    Collision Probability (Pc) 1.034567E-6
    Conjunction Distance (km) 2.828 km
    Relative Speed (km/s) 8.253 km/s
    Conjunction Risk Parameters R (Radial): -1.876 | I (In-track): -1.711 | C (Cross-track): -1.24
    Collision Risk Index (CRI) 0.35
    X Position (km) -1609.765 -1607.289
    Position Y (km) 4029.207 4028.638
    Position Z (km) 5281.131 5279.89
    Velocity X (km/s) -6.889 -5.988
    Velocity Y (km/s) 2.143 -4.471
    Velocity Z (km/s) -3.269 1.584

    Orbital Parameters 国际轨道数据源

    Parameter USA 61 STARLINK-34880
    Semimajor Axis (a) 7400.610 km 6840.865 km
    Eccentricity (e) 0.087786 0.000133
    Inclination (i) 63.2969° 53.1599°
    RAAN 335.9529° 55.3860°
    Perigee Argument 86.8551° 90.9689°
    Mean Anomaly (M) 283.2434° 269.1466°
    Apogee 1672.145 km 463.638 km
    Perigee 372.801 km 461.818 km
    Orbit Epoch 2026-09-12T13:14:29+0000 2026-09-12T21:17:15+0000

    USA 61 & STARLINK-34880 Collision Probability (Pc) Trend

    USA 61 & STARLINK-34880 Collision Probability (Pc) TrendNot Available

    USA 61 & STARLINK-34880 Miss Distance (Miss Distance) Trend

    USA 61 & STARLINK-34880 Miss Distance (Miss Distance) TrendNot Available

    USA 61Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34880Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    USA 61Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34880Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with USA 61

    No nearby objects data