Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.472799E-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 66244
    NORAD ID 66244
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3553 STARLINK-35517
    Time of Closest Approach 2026-10-21T15:36:22+0000
    Collision Probability (Pc) 3.472799E-6
    Conjunction Distance (km) 1.695 km
    Relative Speed (km/s) 9.8 km/s
    Conjunction Risk Parameters R (Radial): 1.66 | I (In-track): 0.265 | C (Cross-track): -0.218
    Collision Risk Index (CRI) 0.46
    X Position (km) -472.043 -472.499
    Position Y (km) 5319.14 5320.401
    Position Z (km) 4262.017 4263.053
    Velocity X (km/s) -5.568 -6.11
    Velocity Y (km/s) -3.569 2.532
    Velocity Z (km/s) 3.826 -3.825

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3553 STARLINK-35517
    Semimajor Axis (a) 6837.882 km 6840.807 km
    Eccentricity (e) 0.000118 0.000267
    Inclination (i) 53.1599° 53.1550°
    RAAN 70.2506° 323.8252°
    Perigee Argument 93.2784° 83.4293°
    Mean Anomaly (M) 266.8354° 276.7013°
    Apogee 460.552 km 464.496 km
    Perigee 458.938 km 460.844 km
    Orbit Epoch 2026-10-19T02:27:25+0000 2026-10-19T02:05:02+0000

    STARLINK-3553 & STARLINK-35517 Collision Probability (Pc) Trend

    STARLINK-3553 & STARLINK-35517 Collision Probability (Pc) TrendNot Available

    STARLINK-3553 & STARLINK-35517 Miss Distance (Miss Distance) Trend

    STARLINK-3553 & STARLINK-35517 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3553Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35517Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3553Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35517Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3553

    No nearby objects data