Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.6052E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T01:46:22+0800
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    1 Object 1

    AOE ID 55785
    NORAD ID 55785
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 57974
    NORAD ID 57974
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5818 STARLINK-30489
    Time of Closest Approach 2026-10-29T16:43:00+0000
    Collision Probability (Pc) 3.6052E-6
    Conjunction Distance (km) 1.729 km
    Relative Speed (km/s) 11.354 km/s
    Conjunction Risk Parameters R (Radial): 1.529 | I (In-track): -0.539 | C (Cross-track): -0.599
    Collision Risk Index (CRI) 0.46
    X Position (km) -4247.326 -4247.653
    Position Y (km) 3939.137 3940.486
    Position Z (km) 3663.672 3664.702
    Velocity X (km/s) -4.836 -2.991
    Velocity Y (km/s) 0.276 -6.23
    Velocity Z (km/s) -5.892 3.229

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5818 STARLINK-30489
    Semimajor Axis (a) 6855.149 km 6860.092 km
    Eccentricity (e) 0.000484 0.000489
    Inclination (i) 69.9966° 43.0012°
    RAAN 337.2919° 108.5015°
    Perigee Argument 262.7829° 279.5062°
    Mean Anomaly (M) 97.2796° 80.5237°
    Apogee 480.331 km 485.309 km
    Perigee 473.693 km 478.601 km
    Orbit Epoch 2026-10-27T02:52:21+0000 2026-10-27T04:52:44+0000

    STARLINK-5818 & STARLINK-30489 Collision Probability (Pc) Trend

    STARLINK-5818 & STARLINK-30489 Collision Probability (Pc) TrendNot Available

    STARLINK-5818 & STARLINK-30489 Miss Distance (Miss Distance) Trend

    STARLINK-5818 & STARLINK-30489 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5818Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30489Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5818Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30489Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5818

    No nearby objects data