Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.035725E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T14:18:51+0800
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    1 Object 1

    AOE ID 52687
    NORAD ID 52687
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58028
    NORAD ID 58028
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3981 STARLINK-30514
    Time of Closest Approach 2026-10-21T23:51:34+0000
    Collision Probability (Pc) 1.035725E-6
    Conjunction Distance (km) 2.951 km
    Relative Speed (km/s) 9.087 km/s
    Conjunction Risk Parameters R (Radial): 2.537 | I (In-track): 1.211 | C (Cross-track): 0.897
    Collision Risk Index (CRI) 0.35
    X Position (km) -2380.886 -2381.335
    Position Y (km) -4510.522 -4508.146
    Position Z (km) 4553.477 4551.787
    Velocity X (km/s) 6.845 4.015
    Velocity Y (km/s) -0.187 -5.548
    Velocity Z (km/s) 3.384 -3.385

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3981 STARLINK-30514
    Semimajor Axis (a) 6843.380 km 6840.885 km
    Eccentricity (e) 0.000133 0.000115
    Inclination (i) 53.1579° 53.1590°
    RAAN 213.2888° 115.5469°
    Perigee Argument 92.6458° 86.2848°
    Mean Anomaly (M) 267.4696° 273.8287°
    Apogee 466.153 km 463.538 km
    Perigee 464.333 km 461.958 km
    Orbit Epoch 2026-10-19T04:21:28+0000 2026-10-19T13:28:58+0000

    STARLINK-3981 & STARLINK-30514 Collision Probability (Pc) Trend

    STARLINK-3981 & STARLINK-30514 Collision Probability (Pc) TrendNot Available

    STARLINK-3981 & STARLINK-30514 Miss Distance (Miss Distance) Trend

    STARLINK-3981 & STARLINK-30514 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3981Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30514Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3981Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30514Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3981

    No nearby objects data