Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.491215E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:33:35+0800
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    1 Object 1

    AOE ID 53418
    NORAD ID 53418
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65377
    NORAD ID 65377
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4481 STARLINK-34879
    Time of Closest Approach 2026-10-20T21:32:20+0000
    Collision Probability (Pc) 2.491215E-6
    Conjunction Distance (km) 1.638 km
    Relative Speed (km/s) 4.996 km/s
    Conjunction Risk Parameters R (Radial): -1.04 | I (In-track): -1.193 | C (Cross-track): 0.414
    Collision Risk Index (CRI) 0.43
    X Position (km) 344.514 345.721
    Position Y (km) 4333.067 4332.308
    Position Z (km) -5289.559 -5288.755
    Velocity X (km/s) -7.028 -7.335
    Velocity Y (km/s) 2.495 -1.351
    Velocity Z (km/s) 1.587 -1.587

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4481 STARLINK-34879
    Semimajor Axis (a) 6840.887 km 6840.780 km
    Eccentricity (e) 0.000117 0.000069
    Inclination (i) 53.1583° 53.1589°
    RAAN 160.0607° 211.0894°
    Perigee Argument 99.6990° 117.2723°
    Mean Anomaly (M) 260.4144° 242.8349°
    Apogee 463.550 km 463.116 km
    Perigee 461.950 km 462.170 km
    Orbit Epoch 2026-10-19T00:31:48+0000 2026-10-18T10:35:45+0000

    STARLINK-4481 & STARLINK-34879 Collision Probability (Pc) Trend

    STARLINK-4481 & STARLINK-34879 Collision Probability (Pc) TrendNot Available

    STARLINK-4481 & STARLINK-34879 Miss Distance (Miss Distance) Trend

    STARLINK-4481 & STARLINK-34879 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4481Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34879Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4481Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34879Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4481

    No nearby objects data