Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.2348E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-07T19:57:30+0800
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    1 Object 1

    AOE ID 49728
    NORAD ID 49728
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53832
    NORAD ID 53832
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3240 STARLINK-4747
    Time of Closest Approach 2026-09-07T13:30:21+0000
    Collision Probability (Pc) 1.2348E-6
    Conjunction Distance (km) 2.886 km
    Relative Speed (km/s) 11.808 km/s
    Conjunction Risk Parameters R (Radial): -2.867 | I (In-track): -0.213 | C (Cross-track): 0.244
    Collision Risk Index (CRI) 0.37
    X Position (km) 5307.128 5305.086
    Position Y (km) 3704.603 3702.784
    Position Z (km) -2225.262 -2224.34
    Velocity X (km/s) -1.199 -4.339
    Velocity Y (km/s) 5.063 2.872
    Velocity Z (km/s) 5.584 -5.585

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3240 STARLINK-4747
    Semimajor Axis (a) 6840.874 km 6837.870 km
    Eccentricity (e) 0.000110 0.000140
    Inclination (i) 53.1598° 53.1606°
    RAAN 52.2706° 205.9411°
    Perigee Argument 81.4447° 88.0464°
    Mean Anomaly (M) 278.6680° 272.0699°
    Apogee 463.489 km 460.688 km
    Perigee 461.985 km 458.778 km
    Orbit Epoch 2026-09-07T01:06:14+0000 2026-09-06T06:56:22+0000

    STARLINK-3240 & STARLINK-4747 Collision Probability (Pc) Trend

    STARLINK-3240 & STARLINK-4747 Collision Probability (Pc) TrendNot Available

    STARLINK-3240 & STARLINK-4747 Miss Distance (Miss Distance) Trend

    STARLINK-3240 & STARLINK-4747 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3240Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4747Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3240Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4747Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3240

    No nearby objects data