Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.475312E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-16T22:01:23+0800
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    1 Object 1

    AOE ID 47730
    NORAD ID 47730
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 48865
    NORAD ID 48865
    Object Type PAYLOAD
    Country
    CIS CIS

    Conjunction Constraints

    Parameter STARLINK-2140 COSMOS 2550
    Time of Closest Approach 2026-10-18T17:19:09+0000
    Collision Probability (Pc) 1.475312E-6
    Conjunction Distance (km) 2.665 km
    Relative Speed (km/s) 13.217 km/s
    Conjunction Risk Parameters R (Radial): -2.569 | I (In-track): -0.354 | C (Cross-track): -0.612
    Collision Risk Index (CRI) 0.38
    X Position (km) 758.021 758.434
    Position Y (km) 6765.695 6763.069
    Position Z (km) -736.197 -736.006
    Velocity X (km/s) -4.645 -2.878
    Velocity Y (km/s) -0.136 1.083
    Velocity Z (km/s) -6.055 6.986

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2140 COSMOS 2550
    Semimajor Axis (a) 6848.153 km 6842.552 km
    Eccentricity (e) 0.000500 0.000847
    Inclination (i) 53.1593° 67.1396°
    RAAN 271.8832° 93.5083°
    Perigee Argument 256.0338° 269.7379°
    Mean Anomaly (M) 104.0108° 90.2806°
    Apogee 473.438 km 470.208 km
    Perigee 466.594 km 458.622 km
    Orbit Epoch 2026-10-15T22:45:04+0000 2026-10-16T07:26:38+0000

    STARLINK-2140 & COSMOS 2550 Collision Probability (Pc) Trend

    STARLINK-2140 & COSMOS 2550 Collision Probability (Pc) TrendNot Available

    STARLINK-2140 & COSMOS 2550 Miss Distance (Miss Distance) Trend

    STARLINK-2140 & COSMOS 2550 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2140Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 2550Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2140Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2550Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2140

    No nearby objects data