Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.447936E-5
    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 2026-10-20T18:57:02+0000
    Collision Probability (Pc) 2.447936E-5
    Conjunction Distance (km) 0.814 km
    Relative Speed (km/s) 4.726 km/s
    Conjunction Risk Parameters R (Radial): -0.184 | I (In-track): 0.753 | C (Cross-track): -0.249
    Collision Risk Index (CRI) 0.63
    X Position (km) 2720.776 2720.235
    Position Y (km) -3354.803 -3355.395
    Position Z (km) -5311.94 -5312.081
    Velocity X (km/s) 4.475 6.784
    Velocity Y (km/s) 5.99 3.142
    Velocity Z (km/s) -1.492 1.49

    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