Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.972431E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T15:36:03+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 68220
    NORAD ID 68220
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3657 STARLINK-37030
    Time of Closest Approach 2026-10-29T12:40:14+0000
    Collision Probability (Pc) 4.972431E-6
    Conjunction Distance (km) 1.632 km
    Relative Speed (km/s) 14.183 km/s
    Conjunction Risk Parameters R (Radial): 1.624 | I (In-track): -0.07 | C (Cross-track): -0.141
    Collision Risk Index (CRI) 0.49
    X Position (km) -5025.424 -5026.638
    Position Y (km) 954.943 955.318
    Position Z (km) 4537.681 4538.705
    Velocity X (km/s) -4.123 5.155
    Velocity Y (km/s) -5.447 0.337
    Velocity Z (km/s) -3.411 5.622

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3657 STARLINK-37030
    Semimajor Axis (a) 6841.403 km 6843.668 km
    Eccentricity (e) 0.000267 0.000210
    Inclination (i) 53.1600° 97.2797°
    RAAN 35.5995° 174.8429°
    Perigee Argument 302.6262° 104.9078°
    Mean Anomaly (M) 57.4482° 255.2398°
    Apogee 465.097 km 466.972 km
    Perigee 461.435 km 464.090 km
    Orbit Epoch 2026-10-28T12:40:51+0000 2026-10-28T14:33:46+0000

    STARLINK-3657 & STARLINK-37030 Collision Probability (Pc) Trend

    STARLINK-3657 & STARLINK-37030 Collision Probability (Pc) TrendNot Available

    STARLINK-3657 & STARLINK-37030 Miss Distance (Miss Distance) Trend

    STARLINK-3657 & STARLINK-37030 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3657Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37030Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3657Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37030Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3657

    No nearby objects data