Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.464189E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T14:36:00+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 51980
    NORAD ID 51980
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 57193
    NORAD ID 57193
    Object Type UNKNOWN
    Country
    TBD TBD

    Conjunction Constraints

    Parameter STARLINK-3649 OBJECT AD
    Time of Closest Approach 2026-10-18T12:35:28+0000
    Collision Probability (Pc) 1.464189E-6
    Conjunction Distance (km) 2.604 km
    Relative Speed (km/s) 12.249 km/s
    Conjunction Risk Parameters R (Radial): -1.199 | I (In-track): 1.377 | C (Cross-track): 1.857
    Collision Risk Index (CRI) 0.38
    X Position (km) 4069.144 4069.574
    Position Y (km) 636.887 638.487
    Position Z (km) -5468.525 -5466.517
    Velocity X (km/s) -1.636 6.123
    Velocity Y (km/s) 7.438 -0.712
    Velocity Z (km/s) -0.351 4.487

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3649 OBJECT AD
    Semimajor Axis (a) 6840.891 km 6838.724 km
    Eccentricity (e) 0.000048 0.000982
    Inclination (i) 53.1600° 97.4919°
    RAAN 109.1742° 358.2727°
    Perigee Argument 79.6164° 31.2234°
    Mean Anomaly (M) 280.4893° 328.9590°
    Apogee 463.086 km 467.300 km
    Perigee 462.422 km 453.874 km
    Orbit Epoch 2026-10-17T11:59:05+0000 2026-10-17T22:44:41+0000

    STARLINK-3649 & OBJECT AD Collision Probability (Pc) Trend

    STARLINK-3649 & OBJECT AD Collision Probability (Pc) TrendNot Available

    STARLINK-3649 & OBJECT AD Miss Distance (Miss Distance) Trend

    STARLINK-3649 & OBJECT AD Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3649Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT ADMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3649Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT ADCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3649

    No nearby objects data