Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    9.273764E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T10:17:24+0800
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    1 Object 1

    AOE ID 51863
    NORAD ID 51863
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64909
    NORAD ID 64909
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3555 STARLINK-34687
    Time of Closest Approach 2026-10-20T13:28:45+0000
    Collision Probability (Pc) 9.273764E-6
    Conjunction Distance (km) 1.083 km
    Relative Speed (km/s) 4.736 km/s
    Conjunction Risk Parameters R (Radial): 0.997 | I (In-track): 0.402 | C (Cross-track): 0.134
    Collision Risk Index (CRI) 0.54
    X Position (km) -2777.261 -2776.534
    Position Y (km) 3297.404 3297.197
    Position Z (km) 5301.695 5300.92
    Velocity X (km/s) -4.37 -6.74
    Velocity Y (km/s) -6.085 -3.273
    Velocity Z (km/s) 1.492 -1.491

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3555 STARLINK-34687
    Semimajor Axis (a) 6840.894 km 6840.843 km
    Eccentricity (e) 0.000117 0.000209
    Inclination (i) 53.1606° 53.1561°
    RAAN 70.8761° 27.7805°
    Perigee Argument 84.7220° 82.9416°
    Mean Anomaly (M) 275.3916° 277.1824°
    Apogee 463.557 km 464.137 km
    Perigee 461.957 km 461.275 km
    Orbit Epoch 2026-10-18T20:30:19+0000 2026-10-18T07:52:45+0000

    STARLINK-3555 & STARLINK-34687 Collision Probability (Pc) Trend

    STARLINK-3555 & STARLINK-34687 Collision Probability (Pc) TrendNot Available

    STARLINK-3555 & STARLINK-34687 Miss Distance (Miss Distance) Trend

    STARLINK-3555 & STARLINK-34687 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3555Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34687Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3555Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34687Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3555

    No nearby objects data