Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.22157E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:43:59+0800
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    1 Object 1

    AOE ID 51866
    NORAD ID 51866
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66077
    NORAD ID 66077
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3553 STARLINK-35129
    Time of Closest Approach 2026-10-20T09:02:09+0000
    Collision Probability (Pc) 1.22157E-6
    Conjunction Distance (km) 2.898 km
    Relative Speed (km/s) 11.695 km/s
    Conjunction Risk Parameters R (Radial): 2.306 | I (In-track): -1.12 | C (Cross-track): -1.349
    Collision Risk Index (CRI) 0.37
    X Position (km) -981.222 -983.286
    Position Y (km) -6304.16 -6306.012
    Position Z (km) -2469.524 -2470.365
    Velocity X (km/s) 5.172 4.523
    Velocity Y (km/s) 1.327 -2.837
    Velocity Z (km/s) -5.455 5.454

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3553 STARLINK-35129
    Semimajor Axis (a) 6837.882 km 6840.802 km
    Eccentricity (e) 0.000118 0.000080
    Inclination (i) 53.1599° 53.1544°
    RAAN 70.2506° 284.3849°
    Perigee Argument 93.2784° 45.0894°
    Mean Anomaly (M) 266.8354° 315.0173°
    Apogee 460.552 km 463.211 km
    Perigee 458.938 km 462.119 km
    Orbit Epoch 2026-10-19T02:27:25+0000 2026-10-19T00:19:30+0000

    STARLINK-3553 & STARLINK-35129 Collision Probability (Pc) Trend

    STARLINK-3553 & STARLINK-35129 Collision Probability (Pc) TrendNot Available

    STARLINK-3553 & STARLINK-35129 Miss Distance (Miss Distance) Trend

    STARLINK-3553 & STARLINK-35129 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3553Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35129Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3553Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35129Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3553

    No nearby objects data