Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    4.500411E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T15:45:46+0800
    View CDM
    Download CDM 1.0

    1 Object 1

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

    2 Object 2

    AOE ID 69523
    NORAD ID 69523
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3647 STARLINK-37429
    Time of Closest Approach 2026-09-05T05:23:24+0000
    Collision Probability (Pc) 4.500411E-7
    Conjunction Distance (km) 2.917 km
    Relative Speed (km/s) 1.712 km/s
    Conjunction Risk Parameters R (Radial): 2.729 | I (In-track): -1.022 | C (Cross-track): 0.118
    Collision Risk Index (CRI) 0.28
    X Position (km) -3804.534 -3806.454
    Position Y (km) -1610.252 -1609.947
    Position Z (km) -5455.767 -5457.941
    Velocity X (km/s) 2.323 3.579
    Velocity Y (km/s) -7.244 -6.712
    Velocity Z (km/s) 0.518 -0.516

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3647 STARLINK-37429
    Semimajor Axis (a) 6837.921 km 6840.845 km
    Eccentricity (e) 0.000100 0.000106
    Inclination (i) 53.1602° 53.1582°
    RAAN 292.7118° 308.5138°
    Perigee Argument 88.9752° 94.5432°
    Mean Anomaly (M) 271.1366° 265.5692°
    Apogee 460.471 km 463.435 km
    Perigee 459.097 km 461.981 km
    Orbit Epoch 2026-09-03T13:08:30+0000 2026-09-03T14:43:20+0000

    STARLINK-3647 & STARLINK-37429 Collision Probability (Pc) Trend

    STARLINK-3647 & STARLINK-37429 Collision Probability (Pc) TrendNot Available

    STARLINK-3647 & STARLINK-37429 Miss Distance (Miss Distance) Trend

    STARLINK-3647 & STARLINK-37429 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3647Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37429Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3647Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37429Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3647

    No nearby objects data