Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.998646E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T13:51:52+0800
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    1 Object 1

    AOE ID 57442
    NORAD ID 57442
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59838
    NORAD ID 59838
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30146 STARLINK-31855
    Time of Closest Approach 2026-10-20T21:17:46+0000
    Collision Probability (Pc) 2.998646E-6
    Conjunction Distance (km) 1.198 km
    Relative Speed (km/s) 1.276 km/s
    Conjunction Risk Parameters R (Radial): 0.298 | I (In-track): -1.155 | C (Cross-track): 0.099
    Collision Risk Index (CRI) 0.45
    X Position (km) 4873.07 4872.987
    Position Y (km) -1281.159 -1282.337
    Position Z (km) -4659.929 -4660.13
    Velocity X (km/s) 2.351 1.515
    Velocity Y (km/s) 7.231 7.451
    Velocity Z (km/s) 0.471 -0.466

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30146 STARLINK-31855
    Semimajor Axis (a) 6861.210 km 6861.193 km
    Eccentricity (e) 0.000208 0.000128
    Inclination (i) 43.0029° 42.9988°
    RAAN 81.7630° 94.3729°
    Perigee Argument 272.5094° 273.4914°
    Mean Anomaly (M) 87.5519° 86.5791°
    Apogee 484.503 km 483.936 km
    Perigee 481.643 km 482.176 km
    Orbit Epoch 2026-10-18T11:36:11+0000 2026-10-18T17:55:38+0000

    STARLINK-30146 & STARLINK-31855 Collision Probability (Pc) Trend

    STARLINK-30146 & STARLINK-31855 Collision Probability (Pc) TrendNot Available

    STARLINK-30146 & STARLINK-31855 Miss Distance (Miss Distance) Trend

    STARLINK-30146 & STARLINK-31855 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30146Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31855Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30146Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31855Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30146

    No nearby objects data