Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.357836E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T06:13:06+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 68184
    NORAD ID 68184
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4491 STARLINK-36964
    Time of Closest Approach 2026-10-21T11:49:25+0000
    Collision Probability (Pc) 1.357836E-6
    Conjunction Distance (km) 2.587 km
    Relative Speed (km/s) 10.569 km/s
    Conjunction Risk Parameters R (Radial): 2.439 | I (In-track): 0.615 | C (Cross-track): 0.605
    Collision Risk Index (CRI) 0.38
    X Position (km) 4539.59 4541.722
    Position Y (km) -3401.223 -3401.743
    Position Z (km) 3809.769 3811.139
    Velocity X (km/s) 5.672 0.946
    Velocity Y (km/s) 2.646 6.186
    Velocity Z (km/s) -4.383 4.382

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4491 STARLINK-36964
    Semimajor Axis (a) 6837.858 km 6840.873 km
    Eccentricity (e) 0.000115 0.000122
    Inclination (i) 53.1600° 53.1568°
    RAAN 179.9087° 299.6677°
    Perigee Argument 84.4341° 36.5177°
    Mean Anomaly (M) 275.6793° 323.5909°
    Apogee 460.507 km 463.574 km
    Perigee 458.935 km 461.898 km
    Orbit Epoch 2026-10-20T02:25:42+0000 2026-10-20T01:14:29+0000

    STARLINK-4491 & STARLINK-36964 Collision Probability (Pc) Trend

    STARLINK-4491 & STARLINK-36964 Collision Probability (Pc) TrendNot Available

    STARLINK-4491 & STARLINK-36964 Miss Distance (Miss Distance) Trend

    STARLINK-4491 & STARLINK-36964 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4491Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36964Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4491Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36964Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4491

    No nearby objects data