Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.149741E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T20:54:01+0800
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    1 Object 1

    AOE ID 52703
    NORAD ID 52703
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 60031
    NORAD ID 60031
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4020 STARLINK-31878
    Time of Closest Approach 2026-10-29T10:03:17+0000
    Collision Probability (Pc) 1.149741E-6
    Conjunction Distance (km) 2.97 km
    Relative Speed (km/s) 11.084 km/s
    Conjunction Risk Parameters R (Radial): 2.959 | I (In-track): -0.179 | C (Cross-track): -0.178
    Collision Risk Index (CRI) 0.36
    X Position (km) 5849.682 5852.165
    Position Y (km) -1178.844 -1179.603
    Position Z (km) -3347.739 -3349.18
    Velocity X (km/s) -1.619 3.691
    Velocity Y (km/s) 5.678 4.606
    Velocity Z (km/s) -4.835 4.834

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4020 STARLINK-31878
    Semimajor Axis (a) 6837.870 km 6840.845 km
    Eccentricity (e) 0.000113 0.000098
    Inclination (i) 53.1596° 53.1624°
    RAAN 150.9289° 22.2743°
    Perigee Argument 76.7007° 97.9318°
    Mean Anomaly (M) 283.4123° 262.1796°
    Apogee 460.509 km 463.378 km
    Perigee 458.957 km 462.038 km
    Orbit Epoch 2026-10-27T21:10:47+0000 2026-10-27T12:53:04+0000

    STARLINK-4020 & STARLINK-31878 Collision Probability (Pc) Trend

    STARLINK-4020 & STARLINK-31878 Collision Probability (Pc) TrendNot Available

    STARLINK-4020 & STARLINK-31878 Miss Distance (Miss Distance) Trend

    STARLINK-4020 & STARLINK-31878 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4020Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31878Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4020Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31878Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4020

    No nearby objects data