Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.224848E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T20:55:19+0800
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    1 Object 1

    AOE ID 54090
    NORAD ID 54090
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66640
    NORAD ID 66640
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5177 STARLINK-35921
    Time of Closest Approach 2026-10-20T18:11:14+0000
    Collision Probability (Pc) 2.224848E-6
    Conjunction Distance (km) 2.068 km
    Relative Speed (km/s) 11.311 km/s
    Conjunction Risk Parameters R (Radial): 2.044 | I (In-track): 0.203 | C (Cross-track): -0.233
    Collision Risk Index (CRI) 0.42
    X Position (km) 5919.214 5920.903
    Position Y (km) 1510.811 1511.562
    Position Z (km) -3081.153 -3082.079
    Velocity X (km/s) 1.197 -3.731
    Velocity Y (km/s) 5.594 4.336
    Velocity Z (km/s) 5.052 -5.051

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5177 STARLINK-35921
    Semimajor Axis (a) 6837.832 km 6840.799 km
    Eccentricity (e) 0.000130 0.000122
    Inclination (i) 53.1602° 53.1557°
    RAAN 45.6524° 189.0364°
    Perigee Argument 87.7708° 85.2748°
    Mean Anomaly (M) 272.3444° 274.8395°
    Apogee 460.581 km 463.500 km
    Perigee 458.809 km 461.824 km
    Orbit Epoch 2026-10-18T19:28:10+0000 2026-10-17T03:17:13+0000

    STARLINK-5177 & STARLINK-35921 Collision Probability (Pc) Trend

    STARLINK-5177 & STARLINK-35921 Collision Probability (Pc) TrendNot Available

    STARLINK-5177 & STARLINK-35921 Miss Distance (Miss Distance) Trend

    STARLINK-5177 & STARLINK-35921 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5177Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35921Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5177Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35921Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5177

    No nearby objects data