Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.104396E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T07:53:11+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 69136
    NORAD ID 69136
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2491 STARLINK-37531
    Time of Closest Approach 2026-09-04T20:36:24+0000
    Collision Probability (Pc) 9.104396E-7
    Conjunction Distance (km) 2.871 km
    Relative Speed (km/s) 6.795 km/s
    Conjunction Risk Parameters R (Radial): 2.686 | I (In-track): -0.909 | C (Cross-track): -0.445
    Collision Risk Index (CRI) 0.34
    X Position (km) -1147.718 -1146.871
    Position Y (km) -5758.939 -5756.253
    Position Z (km) -3533.063 -3532.506
    Velocity X (km/s) 5.78 -0.347
    Velocity Y (km/s) 1.708 4.03
    Velocity Z (km/s) -4.67 -6.464

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2491 STARLINK-37531
    Semimajor Axis (a) 6848.875 km 6843.694 km
    Eccentricity (e) 0.000123 0.000183
    Inclination (i) 53.1594° 97.2854°
    RAAN 65.7756° 80.4086°
    Perigee Argument 98.3215° 92.8907°
    Mean Anomaly (M) 261.7927° 267.2545°
    Apogee 471.584 km 466.812 km
    Perigee 469.892 km 464.302 km
    Orbit Epoch 2026-09-01T21:10:47+0000 2026-09-02T01:54:45+0000

    STARLINK-2491 & STARLINK-37531 Collision Probability (Pc) Trend

    STARLINK-2491 & STARLINK-37531 Collision Probability (Pc) TrendNot Available

    STARLINK-2491 & STARLINK-37531 Miss Distance (Miss Distance) Trend

    STARLINK-2491 & STARLINK-37531 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2491Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37531Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2491Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37531Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2491

    No nearby objects data