Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.881719E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T11:00:25+0800
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    1 Object 1

    AOE ID 59942
    NORAD ID 59942
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 67678
    NORAD ID 67678
    Object Type PAYLOAD
    Country
    CIS CIS

    Conjunction Constraints

    Parameter STARLINK-31900 COSMOS 2604
    Time of Closest Approach 2026-10-21T11:44:19+0000
    Collision Probability (Pc) 2.881719E-6
    Conjunction Distance (km) 1.969 km
    Relative Speed (km/s) 14.058 km/s
    Conjunction Risk Parameters R (Radial): 1.482 | I (In-track): -0.5 | C (Cross-track): 1.196
    Collision Risk Index (CRI) 0.44
    X Position (km) 6075.297 6074.532
    Position Y (km) -1699.505 -1698.124
    Position Z (km) -2702.64 -2701.463
    Velocity X (km/s) -0.116 2.595
    Velocity Y (km/s) 6.329 -1.716
    Velocity Z (km/s) -4.246 6.96

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31900 COSMOS 2604
    Semimajor Axis (a) 6861.202 km 6861.471 km
    Eccentricity (e) 0.000123 0.001849
    Inclination (i) 43.0001° 96.6056°
    RAAN 146.0887° 339.5669°
    Perigee Argument 270.3333° 50.1087°
    Mean Anomaly (M) 89.7378° 310.1777°
    Apogee 483.907 km 496.021 km
    Perigee 482.223 km 470.647 km
    Orbit Epoch 2026-10-19T21:08:18+0000 2026-10-19T06:23:07+0000

    STARLINK-31900 & COSMOS 2604 Collision Probability (Pc) Trend

    STARLINK-31900 & COSMOS 2604 Collision Probability (Pc) TrendNot Available

    STARLINK-31900 & COSMOS 2604 Miss Distance (Miss Distance) Trend

    STARLINK-31900 & COSMOS 2604 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31900Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 2604Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31900Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2604Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31900

    No nearby objects data