Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.543544E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T20:44:11+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 48655
    NORAD ID 48655
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53588
    NORAD ID 53588
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2657 STARLINK-4691
    Time of Closest Approach 2026-10-22T04:00:38+0000
    Collision Probability (Pc) 1.543544E-5
    Conjunction Distance (km) 1.127 km
    Relative Speed (km/s) 11.97 km/s
    Conjunction Risk Parameters R (Radial): 0.285 | I (In-track): -0.679 | C (Cross-track): 0.853
    Collision Risk Index (CRI) 0.59
    X Position (km) 4058.696 4059.385
    Position Y (km) -5195.297 -5194.409
    Position Z (km) 1809.686 1809.613
    Velocity X (km/s) 4.722 2.761
    Velocity Y (km/s) 1.668 4.179
    Velocity Z (km/s) -5.769 5.769

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2657 STARLINK-4691
    Semimajor Axis (a) 6838.753 km 6837.883 km
    Eccentricity (e) 0.000127 0.000135
    Inclination (i) 53.1587° 53.1592°
    RAAN 148.8497° 307.4267°
    Perigee Argument 94.3376° 86.0110°
    Mean Anomaly (M) 265.2679° 274.1047°
    Apogee 461.488 km 460.668 km
    Perigee 459.744 km 458.824 km
    Orbit Epoch 2026-10-20T06:00:02+0000 2026-10-19T18:07:27+0000

    STARLINK-2657 & STARLINK-4691 Collision Probability (Pc) Trend

    STARLINK-2657 & STARLINK-4691 Collision Probability (Pc) TrendNot Available

    STARLINK-2657 & STARLINK-4691 Miss Distance (Miss Distance) Trend

    STARLINK-2657 & STARLINK-4691 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2657Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4691Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2657Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4691Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2657

    No nearby objects data