Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.282832E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:32:12+0800
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    1 Object 1

    AOE ID 53720
    NORAD ID 53720
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66207
    NORAD ID 66207
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4642 STARLINK-35747
    Time of Closest Approach 2026-10-21T23:41:28+0000
    Collision Probability (Pc) 2.282832E-6
    Conjunction Distance (km) 1.64 km
    Relative Speed (km/s) 4.374 km/s
    Conjunction Risk Parameters R (Radial): -0.513 | I (In-track): 1.492 | C (Cross-track): -0.448
    Collision Risk Index (CRI) 0.42
    X Position (km) 4259.006 4258.541
    Position Y (km) 403.972 405.492
    Position Z (km) 5328.266 5327.865
    Velocity X (km/s) -2.392 1.005
    Velocity Y (km/s) 7.124 7.448
    Velocity Z (km/s) 1.369 -1.367

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4642 STARLINK-35747
    Semimajor Axis (a) 6840.834 km 6840.817 km
    Eccentricity (e) 0.000117 0.000112
    Inclination (i) 53.1611° 53.1557°
    RAAN 309.8642° 267.0658°
    Perigee Argument 81.4147° 91.4604°
    Mean Anomaly (M) 278.6989° 268.6526°
    Apogee 463.501 km 463.445 km
    Perigee 461.893 km 461.915 km
    Orbit Epoch 2026-10-19T02:34:26+0000 2026-10-19T07:09:19+0000

    STARLINK-4642 & STARLINK-35747 Collision Probability (Pc) Trend

    STARLINK-4642 & STARLINK-35747 Collision Probability (Pc) TrendNot Available

    STARLINK-4642 & STARLINK-35747 Miss Distance (Miss Distance) Trend

    STARLINK-4642 & STARLINK-35747 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4642Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35747Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4642Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35747Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4642

    No nearby objects data