Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.142089E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:53:39+0800
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    1 Object 1

    AOE ID 54170
    NORAD ID 54170
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 61781
    NORAD ID 61781
    Object Type UNKNOWN
    Country
    TBD TBD

    Conjunction Constraints

    Parameter STARLINK-5155 OBJECT AY
    Time of Closest Approach 2026-10-21T13:59:01+0000
    Collision Probability (Pc) 2.142089E-6
    Conjunction Distance (km) 2.169 km
    Relative Speed (km/s) 12.756 km/s
    Conjunction Risk Parameters R (Radial): 1.834 | I (In-track): -0.642 | C (Cross-track): -0.963
    Collision Risk Index (CRI) 0.42
    X Position (km) -3712.071 -3713.265
    Position Y (km) 1922.946 1924.488
    Position Z (km) 5404.708 5405.657
    Velocity X (km/s) -4.502 5.977
    Velocity Y (km/s) -6.103 -1.318
    Velocity Z (km/s) -0.918 4.559

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5155 OBJECT AY
    Semimajor Axis (a) 6840.884 km 6832.208 km
    Eccentricity (e) 0.000146 0.001196
    Inclination (i) 53.1580° 97.2781°
    RAAN 60.0413° 159.8454°
    Perigee Argument 89.1254° 216.2401°
    Mean Anomaly (M) 270.9916° 143.8035°
    Apogee 463.747 km 462.241 km
    Perigee 461.747 km 445.901 km
    Orbit Epoch 2026-10-19T02:09:06+0000 2026-10-19T07:04:41+0000

    STARLINK-5155 & OBJECT AY Collision Probability (Pc) Trend

    STARLINK-5155 & OBJECT AY Collision Probability (Pc) TrendNot Available

    STARLINK-5155 & OBJECT AY Miss Distance (Miss Distance) Trend

    STARLINK-5155 & OBJECT AY Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5155Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT AYMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5155Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT AYCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5155

    No nearby objects data