Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    8.763379E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:48:47+0800
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    1 Object 1

    AOE ID 53831
    NORAD ID 53831
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65640
    NORAD ID 65640
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4649 STARLINK-35091
    Time of Closest Approach 2026-10-21T21:19:15+0000
    Collision Probability (Pc) 8.763379E-6
    Conjunction Distance (km) 0.959 km
    Relative Speed (km/s) 2.276 km/s
    Conjunction Risk Parameters R (Radial): -0.58 | I (In-track): 0.754 | C (Cross-track): -0.115
    Collision Risk Index (CRI) 0.54
    X Position (km) 1286.437 1285.603
    Position Y (km) 3940.273 3940.176
    Position Z (km) 5432.115 5431.652
    Velocity X (km/s) -7.462 -6.901
    Velocity Y (km/s) 1.483 3.203
    Velocity Z (km/s) 0.69 -0.689

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4649 STARLINK-35091
    Semimajor Axis (a) 6840.884 km 6840.868 km
    Eccentricity (e) 0.000131 0.000140
    Inclination (i) 53.1610° 53.1589°
    RAAN 5.2143° 343.7854°
    Perigee Argument 82.7022° 89.1457°
    Mean Anomaly (M) 277.4130° 270.9706°
    Apogee 463.647 km 463.690 km
    Perigee 461.847 km 461.772 km
    Orbit Epoch 2026-10-19T04:51:54+0000 2026-10-19T04:48:45+0000

    STARLINK-4649 & STARLINK-35091 Collision Probability (Pc) Trend

    STARLINK-4649 & STARLINK-35091 Collision Probability (Pc) TrendNot Available

    STARLINK-4649 & STARLINK-35091 Miss Distance (Miss Distance) Trend

    STARLINK-4649 & STARLINK-35091 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4649Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35091Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4649Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35091Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4649

    No nearby objects data