Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.205863E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T09:34:19+0800
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    1 Object 1

    AOE ID 55112
    NORAD ID 55112
    Object Type PAYLOAD
    Country
    CH CH
    ← VS →

    2 Object 2

    AOE ID 69680
    NORAD ID 69680
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ASTROCAST-0404 STARLINK-37994
    Time of Closest Approach 2026-10-20T03:17:29+0000
    Collision Probability (Pc) 2.205863E-6
    Conjunction Distance (km) 2.124 km
    Relative Speed (km/s) 12.367 km/s
    Conjunction Risk Parameters R (Radial): -0.457 | I (In-track): -1.204 | C (Cross-track): 1.689
    Collision Risk Index (CRI) 0.42
    X Position (km) -1506.811 -1506.906
    Position Y (km) 169.72 167.644
    Position Z (km) -6682.965 -6682.527
    Velocity X (km/s) 6.439 -5.564
    Velocity Y (km/s) 3.839 5.013
    Velocity Z (km/s) -1.354 1.381

    Orbital Parameters 国际轨道数据源

    Parameter ASTROCAST-0404 STARLINK-37994
    Semimajor Axis (a) 6849.388 km 6843.665 km
    Eccentricity (e) 0.000553 0.000211
    Inclination (i) 97.5652° 97.2857°
    RAAN 28.5146° 139.0198°
    Perigee Argument 264.5207° 86.6187°
    Mean Anomaly (M) 95.5403° 273.5297°
    Apogee 475.038 km 466.972 km
    Perigee 467.464 km 464.084 km
    Orbit Epoch 2026-10-19T05:46:34+0000 2026-10-19T19:48:26+0000

    ASTROCAST-0404 & STARLINK-37994 Collision Probability (Pc) Trend

    ASTROCAST-0404 & STARLINK-37994 Collision Probability (Pc) TrendNot Available

    ASTROCAST-0404 & STARLINK-37994 Miss Distance (Miss Distance) Trend

    ASTROCAST-0404 & STARLINK-37994 Miss Distance (Miss Distance) TrendNot Available

    ASTROCAST-0404Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37994Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ASTROCAST-0404Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37994Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ASTROCAST-0404

    No nearby objects data