Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.877897E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T07:33:04+0800
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    1 Object 1

    AOE ID 48865
    NORAD ID 48865
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 68960
    NORAD ID 68960
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2550 STARLINK-36978
    Time of Closest Approach 2026-10-21T04:09:32+0000
    Collision Probability (Pc) 1.877897E-6
    Conjunction Distance (km) 2.302 km
    Relative Speed (km/s) 12.683 km/s
    Conjunction Risk Parameters R (Radial): -0.657 | I (In-track): 1.233 | C (Cross-track): -1.828
    Collision Risk Index (CRI) 0.4
    X Position (km) 85.791 83.617
    Position Y (km) -6138.591 -6139.346
    Position Z (km) -3026.153 -3026.17
    Velocity X (km/s) 3.261 5.133
    Velocity Y (km/s) 3.089 -2.435
    Velocity Z (km/s) -6.17 5.092

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2550 STARLINK-36978
    Semimajor Axis (a) 6842.511 km 6840.799 km
    Eccentricity (e) 0.000836 0.000248
    Inclination (i) 67.1420° 53.1555°
    RAAN 83.8422° 302.4939°
    Perigee Argument 270.0766° 93.0580°
    Mean Anomaly (M) 89.9430° 267.0707°
    Apogee 470.097 km 464.361 km
    Perigee 458.651 km 460.963 km
    Orbit Epoch 2026-10-19T12:07:41+0000 2026-10-19T00:43:12+0000

    COSMOS 2550 & STARLINK-36978 Collision Probability (Pc) Trend

    COSMOS 2550 & STARLINK-36978 Collision Probability (Pc) TrendNot Available

    COSMOS 2550 & STARLINK-36978 Miss Distance (Miss Distance) Trend

    COSMOS 2550 & STARLINK-36978 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2550Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36978Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2550Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36978Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2550

    No nearby objects data