Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.510636E-5
    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 2026-10-21T19:37:55+0000
    Collision Probability (Pc) 2.510636E-5
    Conjunction Distance (km) 0.884 km
    Relative Speed (km/s) 7.316 km/s
    Conjunction Risk Parameters R (Radial): 0.847 | I (In-track): -0.22 | C (Cross-track): -0.126
    Collision Risk Index (CRI) 0.63
    X Position (km) -1408.454 -1408.039
    Position Y (km) -4462.844 -4462.372
    Position Z (km) -4997.1 -4996.478
    Velocity X (km/s) 5.577 7.185
    Velocity Y (km/s) -4.559 0.532
    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