Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.986313E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T10:08:27+0800
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    1 Object 1

    AOE ID 53588
    NORAD ID 53588
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 60748
    NORAD ID 60748
    Object Type UNKNOWN
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-4691 OBJECT D
    Time of Closest Approach 2026-09-04T01:20:31+0000
    Collision Probability (Pc) 1.986313E-6
    Conjunction Distance (km) 2.294 km
    Relative Speed (km/s) 13.768 km/s
    Conjunction Risk Parameters R (Radial): -2.222 | I (In-track): -0.249 | C (Cross-track): -0.509
    Collision Risk Index (CRI) 0.41
    X Position (km) -3749.321 -3750.479
    Position Y (km) -2719.203 -2720.599
    Position Z (km) 5044.548 5045.951
    Velocity X (km/s) 6.078 -5.349
    Velocity Y (km/s) -3.951 -2.016
    Velocity Z (km/s) 2.381 -5.05

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4691 OBJECT D
    Semimajor Axis (a) 6855.303 km 6854.303 km
    Eccentricity (e) 0.000053 0.000064
    Inclination (i) 53.1595° 97.6888°
    RAAN 168.0444° 26.0508°
    Perigee Argument 133.3287° 317.7189°
    Mean Anomaly (M) 100.2079° 42.4002°
    Apogee 477.531 km 476.604 km
    Perigee 476.801 km 475.728 km
    Orbit Epoch 2026-09-02T14:00:02+0000 2026-09-02T15:48:11+0000

    STARLINK-4691 & OBJECT D Collision Probability (Pc) Trend

    STARLINK-4691 & OBJECT D Collision Probability (Pc) TrendNot Available

    STARLINK-4691 & OBJECT D Miss Distance (Miss Distance) Trend

    STARLINK-4691 & OBJECT D Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4691Miss 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-4691Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT DCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4691

    No nearby objects data