Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.666679E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T11:01:22+0800
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    1 Object 1

    AOE ID 52640
    NORAD ID 52640
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66950
    NORAD ID 66950
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3977 STARLINK-36111
    Time of Closest Approach 2026-10-21T23:32:45+0000
    Collision Probability (Pc) 9.666679E-7
    Conjunction Distance (km) 2.883 km
    Relative Speed (km/s) 7.639 km/s
    Conjunction Risk Parameters R (Radial): 0.452 | I (In-track): -2.461 | C (Cross-track): 1.43
    Collision Risk Index (CRI) 0.35
    X Position (km) 1340.903 1338.085
    Position Y (km) 4538.138 4538.648
    Position Z (km) 4930.435 4930.104
    Velocity X (km/s) -5.564 -7.127
    Velocity Y (km/s) 4.52 -0.774
    Velocity Z (km/s) -2.64 2.64

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3977 STARLINK-36111
    Semimajor Axis (a) 6840.854 km 6840.818 km
    Eccentricity (e) 0.000125 0.000123
    Inclination (i) 53.1607° 53.1585°
    RAAN 316.8780° 34.7483°
    Perigee Argument 86.3292° 76.3701°
    Mean Anomaly (M) 273.7853° 283.7438°
    Apogee 463.572 km 463.521 km
    Perigee 461.862 km 461.841 km
    Orbit Epoch 2026-10-19T10:04:40+0000 2026-10-19T07:10:37+0000

    STARLINK-3977 & STARLINK-36111 Collision Probability (Pc) Trend

    STARLINK-3977 & STARLINK-36111 Collision Probability (Pc) TrendNot Available

    STARLINK-3977 & STARLINK-36111 Miss Distance (Miss Distance) Trend

    STARLINK-3977 & STARLINK-36111 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3977Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36111Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3977Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36111Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3977

    No nearby objects data