Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.544626E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-13T16:26:20+0800
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    1 Object 1

    AOE ID 51994
    NORAD ID 51994
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 68094
    NORAD ID 68094
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3647 STARLINK-36787
    Time of Closest Approach 2026-09-15T10:52:57+0000
    Collision Probability (Pc) 1.544626E-6
    Conjunction Distance (km) 2.458 km
    Relative Speed (km/s) 11.329 km/s
    Conjunction Risk Parameters R (Radial): 2.373 | I (In-track): 0.43 | C (Cross-track): -0.474
    Collision Risk Index (CRI) 0.39
    X Position (km) -5015.967 -5017.34
    Position Y (km) -3507.158 -3508.899
    Position Z (km) -3058.257 -3059.317
    Velocity X (km/s) 0.859 5.002
    Velocity Y (km/s) -5.64 -2.742
    Velocity Z (km/s) 5.069 -5.068

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3647 STARLINK-36787
    Semimajor Axis (a) 6837.873 km 6840.827 km
    Eccentricity (e) 0.000129 0.000117
    Inclination (i) 53.1592° 53.1613°
    RAAN 249.7373° 25.6368°
    Perigee Argument 84.5453° 87.9662°
    Mean Anomaly (M) 275.5698° 272.1476°
    Apogee 460.620 km 463.494 km
    Perigee 458.852 km 461.886 km
    Orbit Epoch 2026-09-12T17:24:59+0000 2026-09-12T17:51:52+0000

    STARLINK-3647 & STARLINK-36787 Collision Probability (Pc) Trend

    STARLINK-3647 & STARLINK-36787 Collision Probability (Pc) TrendNot Available

    STARLINK-3647 & STARLINK-36787 Miss Distance (Miss Distance) Trend

    STARLINK-3647 & STARLINK-36787 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3647Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36787Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3647Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36787Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3647

    No nearby objects data