Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.074893E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T05:41:56+0800
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    1 Object 1

    AOE ID 48148
    NORAD ID 48148
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53680
    NORAD ID 53680
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2491 STARLINK-4630
    Time of Closest Approach 2026-09-03T00:52:31+0000
    Collision Probability (Pc) 1.074893E-6
    Conjunction Distance (km) 2.864 km
    Relative Speed (km/s) 9.091 km/s
    Conjunction Risk Parameters R (Radial): 2.863 | I (In-track): -0.045 | C (Cross-track): -0.039
    Collision Risk Index (CRI) 0.36
    X Position (km) 1965.59 1964.78
    Position Y (km) -4200.615 -4198.813
    Position Z (km) -5046.97 -5044.897
    Velocity X (km/s) 5.018 -3.629
    Velocity Y (km/s) 5.215 4.385
    Velocity Z (km/s) -2.388 -5.067

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2491 STARLINK-4630
    Semimajor Axis (a) 6848.875 km 6843.703 km
    Eccentricity (e) 0.000123 0.000163
    Inclination (i) 53.1594° 97.2845°
    RAAN 65.7756° 122.4591°
    Perigee Argument 98.3215° 94.2359°
    Mean Anomaly (M) 261.7927° 265.9069°
    Apogee 471.584 km 466.679 km
    Perigee 469.892 km 464.453 km
    Orbit Epoch 2026-09-01T21:10:47+0000 2026-09-02T09:47:23+0000

    STARLINK-2491 & STARLINK-4630 Collision Probability (Pc) Trend

    STARLINK-2491 & STARLINK-4630 Collision Probability (Pc) TrendNot Available

    STARLINK-2491 & STARLINK-4630 Miss Distance (Miss Distance) Trend

    STARLINK-2491 & STARLINK-4630 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2491Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4630Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2491Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4630Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2491

    No nearby objects data