Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.93665E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T03:05:58+0800
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    1 Object 1

    AOE ID 53013
    NORAD ID 53013
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59438
    NORAD ID 59438
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4177 STARLINK-31711
    Time of Closest Approach 2026-10-29T08:59:04+0000
    Collision Probability (Pc) 2.93665E-6
    Conjunction Distance (km) 1.891 km
    Relative Speed (km/s) 12.225 km/s
    Conjunction Risk Parameters R (Radial): -0.673 | I (In-track): 1.063 | C (Cross-track): 1.411
    Collision Risk Index (CRI) 0.44
    X Position (km) -249.582 -247.841
    Position Y (km) 6837.262 6837.999
    Position Z (km) -28.803 -28.8
    Velocity X (km/s) -4.574 -4.571
    Velocity Y (km/s) -0.149 -0.188
    Velocity Z (km/s) 6.112 -6.112

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4177 STARLINK-31711
    Semimajor Axis (a) 6840.881 km 6840.354 km
    Eccentricity (e) 0.000122 0.000424
    Inclination (i) 53.1596° 53.1644°
    RAAN 104.1497° 281.7945°
    Perigee Argument 86.8032° 291.6174°
    Mean Anomaly (M) 273.3111° 68.4377°
    Apogee 463.580 km 465.118 km
    Perigee 461.908 km 459.316 km
    Orbit Epoch 2026-10-26T20:01:07+0000 2026-10-27T06:11:03+0000

    STARLINK-4177 & STARLINK-31711 Collision Probability (Pc) Trend

    STARLINK-4177 & STARLINK-31711 Collision Probability (Pc) TrendNot Available

    STARLINK-4177 & STARLINK-31711 Miss Distance (Miss Distance) Trend

    STARLINK-4177 & STARLINK-31711 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4177Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31711Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4177Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31711Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4177

    No nearby objects data