Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    9.049755E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T16:34:03+0800
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    1 Object 1

    AOE ID 53577
    NORAD ID 53577
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 68047
    NORAD ID 68047
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4553 STARLINK-36181
    Time of Closest Approach 2026-10-21T09:54:16+0000
    Collision Probability (Pc) 9.049755E-6
    Conjunction Distance (km) 0.955 km
    Relative Speed (km/s) 2.338 km/s
    Conjunction Risk Parameters R (Radial): 0.156 | I (In-track): 0.931 | C (Cross-track): -0.144
    Collision Risk Index (CRI) 0.54
    X Position (km) 4153.355 4153.228
    Position Y (km) -150.265 -151.202
    Position Z (km) -5440.753 -5440.63
    Velocity X (km/s) -0.655 1.202
    Velocity Y (km/s) 7.562 7.495
    Velocity Z (km/s) -0.709 0.709

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4553 STARLINK-36181
    Semimajor Axis (a) 6840.926 km 6840.839 km
    Eccentricity (e) 0.000120 0.000150
    Inclination (i) 53.1582° 53.1590°
    RAAN 111.0612° 90.8158°
    Perigee Argument 74.8069° 96.1674°
    Mean Anomaly (M) 285.3066° 263.9500°
    Apogee 463.610 km 463.727 km
    Perigee 461.968 km 461.677 km
    Orbit Epoch 2026-10-18T19:47:39+0000 2026-10-18T10:21:35+0000

    STARLINK-4553 & STARLINK-36181 Collision Probability (Pc) Trend

    STARLINK-4553 & STARLINK-36181 Collision Probability (Pc) TrendNot Available

    STARLINK-4553 & STARLINK-36181 Miss Distance (Miss Distance) Trend

    STARLINK-4553 & STARLINK-36181 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4553Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36181Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4553Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36181Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4553

    No nearby objects data