Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    5.341715E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:00:05+0800
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    1 Object 1

    AOE ID 53408
    NORAD ID 53408
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64675
    NORAD ID 64675
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4491 STARLINK-34590
    Time of Closest Approach 2026-10-20T09:49:25+0000
    Collision Probability (Pc) 5.341715E-7
    Conjunction Distance (km) 2.671 km
    Relative Speed (km/s) 2.003 km/s
    Conjunction Risk Parameters R (Radial): 2.627 | I (In-track): -0.48 | C (Cross-track): -0.064
    Collision Risk Index (CRI) 0.3
    X Position (km) 788.792 789.571
    Position Y (km) 4065.164 4066.631
    Position Z (km) -5448.418 -5450.51
    Velocity X (km/s) -7.573 -7.268
    Velocity Y (km/s) 0.657 2.222
    Velocity Z (km/s) -0.606 0.606

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4491 STARLINK-34590
    Semimajor Axis (a) 6837.871 km 6840.811 km
    Eccentricity (e) 0.000115 0.000096
    Inclination (i) 53.1594° 53.1585°
    RAAN 185.0896° 165.9035°
    Perigee Argument 85.0958° 89.4587°
    Mean Anomaly (M) 275.0176° 270.6525°
    Apogee 460.522 km 463.329 km
    Perigee 458.946 km 462.019 km
    Orbit Epoch 2026-10-18T23:52:14+0000 2026-10-19T01:21:47+0000

    STARLINK-4491 & STARLINK-34590 Collision Probability (Pc) Trend

    STARLINK-4491 & STARLINK-34590 Collision Probability (Pc) TrendNot Available

    STARLINK-4491 & STARLINK-34590 Miss Distance (Miss Distance) Trend

    STARLINK-4491 & STARLINK-34590 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4491Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34590Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4491Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34590Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4491

    No nearby objects data