Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    7.346656E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T06:56:18+0800
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    1 Object 1

    AOE ID 51990
    NORAD ID 51990
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65873
    NORAD ID 65873
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3657 STARLINK-35423
    Time of Closest Approach 2026-10-22T03:41:43+0000
    Collision Probability (Pc) 7.346656E-6
    Conjunction Distance (km) 1.344 km
    Relative Speed (km/s) 9.897 km/s
    Conjunction Risk Parameters R (Radial): 0.997 | I (In-track): 0.689 | C (Cross-track): 0.582
    Collision Risk Index (CRI) 0.52
    X Position (km) -1062.311 -1061.272
    Position Y (km) 5273.324 5272.731
    Position Z (km) 4217.041 4216.429
    Velocity X (km/s) -5.102 -6.31
    Velocity Y (km/s) -4.148 1.849
    Velocity Z (km/s) 3.89 -3.889

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3657 STARLINK-35423
    Semimajor Axis (a) 6840.870 km 6840.703 km
    Eccentricity (e) 0.000143 0.000147
    Inclination (i) 53.1622° 53.1571°
    RAAN 78.2310° 331.5040°
    Perigee Argument 85.0651° 93.0981°
    Mean Anomaly (M) 275.0515° 267.0189°
    Apogee 463.715 km 463.572 km
    Perigee 461.751 km 461.560 km
    Orbit Epoch 2026-10-19T09:49:11+0000 2026-10-19T03:13:55+0000

    STARLINK-3657 & STARLINK-35423 Collision Probability (Pc) Trend

    STARLINK-3657 & STARLINK-35423 Collision Probability (Pc) TrendNot Available

    STARLINK-3657 & STARLINK-35423 Miss Distance (Miss Distance) Trend

    STARLINK-3657 & STARLINK-35423 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3657Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35423Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3657Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35423Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3657

    No nearby objects data