Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    6.427456E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T13:39:57+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 2026-10-22T10:43:46+0000
    Collision Probability (Pc) 6.427456E-5
    Conjunction Distance (km) 0.704 km
    Relative Speed (km/s) 9.881 km/s
    Conjunction Risk Parameters R (Radial): -0.699 | I (In-track): 0.057 | C (Cross-track): 0.049
    Collision Risk Index (CRI) 0.71
    X Position (km) 936.883 936.861
    Position Y (km) -5305.835 -5305.28
    Position Z (km) -4223.261 -4222.83
    Velocity X (km/s) 5.193 6.253
    Velocity Y (km/s) 4.01 -1.988
    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