Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.725826E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T23:12:08+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 56337
    NORAD ID 56337
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ASTROCAST-0404 STARLINK-5561
    Time of Closest Approach 2026-10-30T12:39:23+0000
    Collision Probability (Pc) 1.725826E-6
    Conjunction Distance (km) 2.351 km
    Relative Speed (km/s) 11.846 km/s
    Conjunction Risk Parameters R (Radial): 1.291 | I (In-track): -1.236 | C (Cross-track): 1.528
    Collision Risk Index (CRI) 0.4
    X Position (km) 261.453 263.328
    Position Y (km) 1384.177 1383.52
    Position Z (km) -6707.017 -6705.76
    Velocity X (km/s) 5.86 3.521
    Velocity Y (km/s) 4.716 -6.64
    Velocity Z (km/s) 1.198 -1.231

    Orbital Parameters 国际轨道数据源

    Parameter ASTROCAST-0404 STARLINK-5561
    Semimajor Axis (a) 6848.329 km 6843.698 km
    Eccentricity (e) 0.000582 0.000152
    Inclination (i) 97.5667° 97.2831°
    RAAN 37.2509° 294.1831°
    Perigee Argument 230.2688° 72.9790°
    Mean Anomaly (M) 129.8040° 287.1619°
    Apogee 474.180 km 466.604 km
    Perigee 466.204 km 464.518 km
    Orbit Epoch 2026-10-27T19:10:02+0000 2026-10-27T22:26:40+0000

    ASTROCAST-0404 & STARLINK-5561 Collision Probability (Pc) Trend

    ASTROCAST-0404 & STARLINK-5561 Collision Probability (Pc) TrendNot Available

    ASTROCAST-0404 & STARLINK-5561 Miss Distance (Miss Distance) Trend

    ASTROCAST-0404 & STARLINK-5561 Miss Distance (Miss Distance) TrendNot Available

    ASTROCAST-0404Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5561Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ASTROCAST-0404Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5561Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ASTROCAST-0404

    No nearby objects data