Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.203535E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T11:28:32+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 47978
    NORAD ID 47978
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 68186
    NORAD ID 68186
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-1647 STARLINK-37079
    Time of Closest Approach 2026-10-21T08:20:06+0000
    Collision Probability (Pc) 1.203535E-6
    Conjunction Distance (km) 2.403 km
    Relative Speed (km/s) 6.904 km/s
    Conjunction Risk Parameters R (Radial): -1.461 | I (In-track): 1.706 | C (Cross-track): 0.854
    Collision Risk Index (CRI) 0.37
    X Position (km) 2454.746 2456.88
    Position Y (km) 3881.275 3881.08
    Position Z (km) 5057.155 5058.243
    Velocity X (km/s) -7.128 -4.392
    Velocity Y (km/s) 1.482 5.807
    Velocity Z (km/s) 2.317 -2.316

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-1647 STARLINK-37079
    Semimajor Axis (a) 6838.305 km 6840.807 km
    Eccentricity (e) 0.000108 0.000222
    Inclination (i) 53.1598° 53.1563°
    RAAN 6.0067° 299.5114°
    Perigee Argument 65.6141° 92.4368°
    Mean Anomaly (M) 356.7409° 267.6889°
    Apogee 460.904 km 464.193 km
    Perigee 459.432 km 461.147 km
    Orbit Epoch 2026-10-20T12:00:03+0000 2026-10-20T00:35:05+0000

    STARLINK-1647 & STARLINK-37079 Collision Probability (Pc) Trend

    STARLINK-1647 & STARLINK-37079 Collision Probability (Pc) TrendNot Available

    STARLINK-1647 & STARLINK-37079 Miss Distance (Miss Distance) Trend

    STARLINK-1647 & STARLINK-37079 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-1647Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37079Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-1647Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37079Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-1647

    No nearby objects data