Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.67487E-5
    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 2026-10-21T21:58:58+0000
    Collision Probability (Pc) 1.67487E-5
    Conjunction Distance (km) 1.005 km
    Relative Speed (km/s) 7.639 km/s
    Conjunction Risk Parameters R (Radial): 0.445 | I (In-track): 0.782 | C (Cross-track): -0.447
    Collision Risk Index (CRI) 0.59
    X Position (km) 1315.173 1315.954
    Position Y (km) 4546.478 4545.934
    Position Z (km) 4929.686 4929.363
    Velocity X (km/s) -5.588 -7.122
    Velocity Y (km/s) 4.489 -0.81
    Velocity Z (km/s) -2.642 2.642

    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