Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.565974E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T08:19:33+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 58829
    NORAD ID 58829
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 68068
    NORAD ID 68068
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31258 STARLINK-36990
    Time of Closest Approach 2026-10-23T07:33:48+0000
    Collision Probability (Pc) 2.565974E-6
    Conjunction Distance (km) 1.98 km
    Relative Speed (km/s) 11.955 km/s
    Conjunction Risk Parameters R (Radial): -0.882 | I (In-track): 1.103 | C (Cross-track): 1.387
    Collision Risk Index (CRI) 0.43
    X Position (km) 3688.513 3686.569
    Position Y (km) 5467.512 5467.797
    Position Z (km) -1827.04 -1826.805
    Velocity X (km/s) -4.825 -3.047
    Velocity Y (km/s) 1.337 3.973
    Velocity Z (km/s) -5.762 5.762

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31258 STARLINK-36990
    Semimajor Axis (a) 6840.864 km 6840.746 km
    Eccentricity (e) 0.000149 0.000020
    Inclination (i) 53.1581° 53.1603°
    RAAN 238.1877° 82.2977°
    Perigee Argument 86.8948° 221.7318°
    Mean Anomaly (M) 273.2225° 138.3669°
    Apogee 463.750 km 462.748 km
    Perigee 461.704 km 462.470 km
    Orbit Epoch 2026-10-20T06:47:18+0000 2026-10-20T06:10:54+0000

    STARLINK-31258 & STARLINK-36990 Collision Probability (Pc) Trend

    STARLINK-31258 & STARLINK-36990 Collision Probability (Pc) TrendNot Available

    STARLINK-31258 & STARLINK-36990 Miss Distance (Miss Distance) Trend

    STARLINK-31258 & STARLINK-36990 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31258Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36990Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31258Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36990Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31258

    No nearby objects data