Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.325303E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:49:06+0800
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    1 Object 1

    AOE ID 53609
    NORAD ID 53609
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58972
    NORAD ID 58972
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4660 STARLINK-31351
    Time of Closest Approach 2026-10-20T07:19:52+0000
    Collision Probability (Pc) 5.325303E-6
    Conjunction Distance (km) 1.257 km
    Relative Speed (km/s) 4.412 km/s
    Conjunction Risk Parameters R (Radial): -1.029 | I (In-track): -0.688 | C (Cross-track): -0.206
    Collision Risk Index (CRI) 0.5
    X Position (km) 3317.902 3317.855
    Position Y (km) 2705.785 2704.819
    Position Z (km) 5325.488 5324.687
    Velocity X (km/s) -3.288 -5.956
    Velocity Y (km/s) 6.756 4.582
    Velocity Z (km/s) -1.381 1.379

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4660 STARLINK-31351
    Semimajor Axis (a) 6840.794 km 6841.324 km
    Eccentricity (e) 0.000124 0.000354
    Inclination (i) 53.1586° 53.1561°
    RAAN 293.9170° 335.8768°
    Perigee Argument 87.8197° 97.3858°
    Mean Anomaly (M) 272.2948° 262.7546°
    Apogee 463.506 km 465.607 km
    Perigee 461.808 km 460.767 km
    Orbit Epoch 2026-10-19T01:10:59+0000 2026-10-19T02:51:24+0000

    STARLINK-4660 & STARLINK-31351 Collision Probability (Pc) Trend

    STARLINK-4660 & STARLINK-31351 Collision Probability (Pc) TrendNot Available

    STARLINK-4660 & STARLINK-31351 Miss Distance (Miss Distance) Trend

    STARLINK-4660 & STARLINK-31351 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4660Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31351Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4660Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31351Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4660

    No nearby objects data