Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.368556E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T12:34:49+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 69446
    NORAD ID 69446
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3977 STARLINK-37522
    Time of Closest Approach 2026-10-22T02:39:58+0000
    Collision Probability (Pc) 1.368556E-4
    Conjunction Distance (km) 0.497 km
    Relative Speed (km/s) 7.329 km/s
    Conjunction Risk Parameters R (Radial): 0.116 | I (In-track): -0.421 | C (Cross-track): 0.237
    Collision Risk Index (CRI) 0.78
    X Position (km) 1512.129 1511.648
    Position Y (km) 4419.685 4419.77
    Position Z (km) 4988.007 4987.919
    Velocity X (km/s) -5.475 -7.209
    Velocity Y (km/s) 4.704 -0.364
    Velocity Z (km/s) -2.502 2.501

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3977 STARLINK-37522
    Semimajor Axis (a) 6840.854 km 6840.797 km
    Eccentricity (e) 0.000125 0.000065
    Inclination (i) 53.1607° 53.1564°
    RAAN 316.8780° 31.0795°
    Perigee Argument 86.3292° 38.4305°
    Mean Anomaly (M) 273.7853° 321.6743°
    Apogee 463.572 km 463.102 km
    Perigee 461.862 km 462.218 km
    Orbit Epoch 2026-10-19T10:04:40+0000 2026-10-19T07:09:54+0000

    STARLINK-3977 & STARLINK-37522 Collision Probability (Pc) Trend

    STARLINK-3977 & STARLINK-37522 Collision Probability (Pc) TrendNot Available

    STARLINK-3977 & STARLINK-37522 Miss Distance (Miss Distance) Trend

    STARLINK-3977 & STARLINK-37522 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3977Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37522Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3977Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37522Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3977

    No nearby objects data