Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.139678E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-13T16:15:56+0800
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    1 Object 1

    AOE ID 49458
    NORAD ID 49458
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 69207
    NORAD ID 69207
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3156 STARLINK-37647
    Time of Closest Approach 2026-09-14T05:24:49+0000
    Collision Probability (Pc) 9.139678E-7
    Conjunction Distance (km) 2.766 km
    Relative Speed (km/s) 6.273 km/s
    Conjunction Risk Parameters R (Radial): -2.477 | I (In-track): -1.119 | C (Cross-track): -0.504
    Collision Risk Index (CRI) 0.34
    X Position (km) -4169.661 -4168.61
    Position Y (km) -1684.754 -1683.005
    Position Z (km) 5148.605 5146.739
    Velocity X (km/s) 0.416 4.801
    Velocity Y (km/s) -7.342 -5.573
    Velocity Z (km/s) -2.061 2.061

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3156 STARLINK-37647
    Semimajor Axis (a) 6843.375 km 6840.838 km
    Eccentricity (e) 0.000105 0.000085
    Inclination (i) 53.1596° 53.1584°
    RAAN 87.3102° 148.6989°
    Perigee Argument 90.3216° 108.7189°
    Mean Anomaly (M) 269.7906° 251.3905°
    Apogee 465.956 km 463.282 km
    Perigee 464.520 km 462.120 km
    Orbit Epoch 2026-09-12T21:39:19+0000 2026-09-12T23:24:29+0000

    STARLINK-3156 & STARLINK-37647 Collision Probability (Pc) Trend

    STARLINK-3156 & STARLINK-37647 Collision Probability (Pc) TrendNot Available

    STARLINK-3156 & STARLINK-37647 Miss Distance (Miss Distance) Trend

    STARLINK-3156 & STARLINK-37647 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3156Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37647Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3156Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37647Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3156

    No nearby objects data