Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.618361E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T02:03:36+0800
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    1 Object 1

    AOE ID 59578
    NORAD ID 59578
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 61241
    NORAD ID 61241
    Object Type UNKNOWN
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-31685 OBJECT D
    Time of Closest Approach 2026-09-13T05:02:10+0000
    Collision Probability (Pc) 1.618361E-6
    Conjunction Distance (km) 2.506 km
    Relative Speed (km/s) 12.993 km/s
    Conjunction Risk Parameters R (Radial): 1.625 | I (In-track): -0.997 | C (Cross-track): -1.626
    Collision Risk Index (CRI) 0.39
    X Position (km) -373.501 -374.901
    Position Y (km) 5233.472 5232.937
    Position Z (km) 4412.127 4410.119
    Velocity X (km/s) -7.169 0.94
    Velocity Y (km/s) -1.961 4.919
    Velocity Z (km/s) 1.715 -5.749

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31685 OBJECT D
    Semimajor Axis (a) 6861.207 km 6851.719 km
    Eccentricity (e) 0.000097 0.000960
    Inclination (i) 43.0013° 97.4385°
    RAAN 52.5878° 265.8671°
    Perigee Argument 266.5282° 286.9874°
    Mean Anomaly (M) 93.5458° 73.0314°
    Apogee 483.738 km 480.162 km
    Perigee 482.402 km 467.002 km
    Orbit Epoch 2026-09-09T03:25:59+0000 2026-09-11T06:55:53+0000

    STARLINK-31685 & OBJECT D Collision Probability (Pc) Trend

    STARLINK-31685 & OBJECT D Collision Probability (Pc) TrendNot Available

    STARLINK-31685 & OBJECT D Miss Distance (Miss Distance) Trend

    STARLINK-31685 & OBJECT D Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31685Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT DMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31685Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT DCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31685

    No nearby objects data