Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    7.441395E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T10:27:40+0800
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    1 Object 1

    AOE ID 59868
    NORAD ID 59868
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 67846
    NORAD ID 67846
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31921 STARLINK-36658
    Time of Closest Approach 2026-09-07T07:13:00+0000
    Collision Probability (Pc) 7.441395E-6
    Conjunction Distance (km) 1.035 km
    Relative Speed (km/s) 2.667 km/s
    Conjunction Risk Parameters R (Radial): 0.398 | I (In-track): 0.941 | C (Cross-track): -0.166
    Collision Risk Index (CRI) 0.52
    X Position (km) 4076.466 4076.803
    Position Y (km) 3053.83 3052.888
    Position Z (km) 4588.124 4587.858
    Velocity X (km/s) -3.787 -5.217
    Velocity Y (km/s) 6.546 5.475
    Velocity Z (km/s) -0.989 0.991

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31921 STARLINK-36658
    Semimajor Axis (a) 6861.199 km 6861.082 km
    Eccentricity (e) 0.000103 0.000158
    Inclination (i) 43.0008° 43.0025°
    RAAN 306.8743° 336.9135°
    Perigee Argument 270.1300° 276.6061°
    Mean Anomaly (M) 89.9433° 83.4611°
    Apogee 483.769 km 484.026 km
    Perigee 482.355 km 481.864 km
    Orbit Epoch 2026-09-04T16:00:21+0000 2026-09-04T14:32:14+0000

    STARLINK-31921 & STARLINK-36658 Collision Probability (Pc) Trend

    STARLINK-31921 & STARLINK-36658 Collision Probability (Pc) TrendNot Available

    STARLINK-31921 & STARLINK-36658 Miss Distance (Miss Distance) Trend

    STARLINK-31921 & STARLINK-36658 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31921Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36658Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31921Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36658Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31921

    No nearby objects data