Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.342256E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T12:47:26+0800
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    1 Object 1

    AOE ID 49747
    NORAD ID 49747
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 56331
    NORAD ID 56331
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3247 STARLINK-5991
    Time of Closest Approach 2026-09-14T14:47:46+0000
    Collision Probability (Pc) 1.342256E-6
    Conjunction Distance (km) 2.862 km
    Relative Speed (km/s) 13.401 km/s
    Conjunction Risk Parameters R (Radial): 0.299 | I (In-track): -1.326 | C (Cross-track): -2.517
    Collision Risk Index (CRI) 0.38
    X Position (km) -751.065 -753.032
    Position Y (km) -4427.66 -4426.127
    Position Z (km) -5249.451 -5250.855
    Velocity X (km/s) 7.276 -2.408
    Velocity Y (km/s) 1.022 -5.326
    Velocity Z (km/s) -1.904 4.84

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3247 STARLINK-5991
    Semimajor Axis (a) 6903.321 km 6912.367 km
    Eccentricity (e) 0.000097 0.000190
    Inclination (i) 53.1633° 97.2852°
    RAAN 32.5507° 249.1627°
    Perigee Argument 66.7813° 86.4181°
    Mean Anomaly (M) 293.3283° 292.2885°
    Apogee 525.855 km 535.544 km
    Perigee 524.513 km 532.916 km
    Orbit Epoch 2026-09-11T15:57:48+0000 2026-09-11T22:00:02+0000

    STARLINK-3247 & STARLINK-5991 Collision Probability (Pc) Trend

    STARLINK-3247 & STARLINK-5991 Collision Probability (Pc) TrendNot Available

    STARLINK-3247 & STARLINK-5991 Miss Distance (Miss Distance) Trend

    STARLINK-3247 & STARLINK-5991 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3247Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5991Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3247Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5991Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3247

    No nearby objects data