Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.427438E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T18:23:25+0800
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    1 Object 1

    AOE ID 59401
    NORAD ID 59401
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 66861
    NORAD ID 66861
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31507 STARLINK-35991
    Time of Closest Approach 2026-09-04T23:11:26+0000
    Collision Probability (Pc) 1.427438E-4
    Conjunction Distance (km) 0.469 km
    Relative Speed (km/s) 6.181 km/s
    Conjunction Risk Parameters R (Radial): -0.292 | I (In-track): -0.334 | C (Cross-track): -0.148
    Collision Risk Index (CRI) 0.78
    X Position (km) -5478.475 -5478.727
    Position Y (km) 273.578 273.225
    Position Z (km) 4112.563 4112.738
    Velocity X (km/s) 1.507 -2.202
    Velocity Y (km/s) -7.058 -6.872
    Velocity Z (km/s) 2.471 -2.47

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31507 STARLINK-35991
    Semimajor Axis (a) 6861.561 km 6861.173 km
    Eccentricity (e) 0.000087 0.000135
    Inclination (i) 43.0009° 42.9989°
    RAAN 128.8102° 58.9654°
    Perigee Argument 301.2840° 267.7817°
    Mean Anomaly (M) 58.7927° 92.2881°
    Apogee 484.022 km 483.961 km
    Perigee 482.826 km 482.111 km
    Orbit Epoch 2026-09-04T00:57:04+0000 2026-09-03T12:09:06+0000

    STARLINK-31507 & STARLINK-35991 Collision Probability (Pc) Trend

    STARLINK-31507 & STARLINK-35991 Collision Probability (Pc) TrendNot Available

    STARLINK-31507 & STARLINK-35991 Miss Distance (Miss Distance) Trend

    STARLINK-31507 & STARLINK-35991 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31507Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35991Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31507Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35991Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31507

    No nearby objects data