Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.535483E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T01:15:34+0800
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    1 Object 1

    AOE ID 16881
    NORAD ID 16881
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 46355
    NORAD ID 46355
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 1766 STARLINK-1661
    Time of Closest Approach 2026-10-28T22:30:31+0000
    Collision Probability (Pc) 1.535483E-6
    Conjunction Distance (km) 2.57 km
    Relative Speed (km/s) 12.794 km/s
    Conjunction Risk Parameters R (Radial): -2.569 | I (In-track): 0.006 | C (Cross-track): 0.001
    Collision Risk Index (CRI) 0.39
    X Position (km) -3940.712 -3942.212
    Position Y (km) -2855.994 -2857.076
    Position Z (km) -4698.719 -4700.502
    Velocity X (km/s) -3.419 6.133
    Velocity Y (km/s) -4.2 -3.453
    Velocity Z (km/s) 5.432 -3.047

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 1766 STARLINK-1661
    Semimajor Axis (a) 6757.244 km 6775.014 km
    Eccentricity (e) 0.000807 0.000167
    Inclination (i) 82.4848° 53.1489°
    RAAN 225.4924° 357.3236°
    Perigee Argument 66.6746° 74.1777°
    Mean Anomaly (M) 293.5360° 155.7140°
    Apogee 384.559 km 398.008 km
    Perigee 373.655 km 395.746 km
    Orbit Epoch 2026-10-26T19:59:39+0000 2026-10-27T08:00:02+0000

    COSMOS 1766 & STARLINK-1661 Collision Probability (Pc) Trend

    COSMOS 1766 & STARLINK-1661 Collision Probability (Pc) TrendNot Available

    COSMOS 1766 & STARLINK-1661 Miss Distance (Miss Distance) Trend

    COSMOS 1766 & STARLINK-1661 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 1766Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-1661Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 1766Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-1661Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 1766

    No nearby objects data