Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.82648E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T06:20:12+0800
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    1 Object 1

    AOE ID 57637
    NORAD ID 57637
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58624
    NORAD ID 58624
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30311 STARLINK-31129
    Time of Closest Approach 2026-09-04T18:01:25+0000
    Collision Probability (Pc) 3.82648E-6
    Conjunction Distance (km) 1.223 km
    Relative Speed (km/s) 2.26 km/s
    Conjunction Risk Parameters R (Radial): 0.511 | I (In-track): -1.098 | C (Cross-track): -0.163
    Collision Risk Index (CRI) 0.47
    X Position (km) -2657.483 -2656.34
    Position Y (km) -4319.226 -4319.487
    Position Z (km) 4613.11 4612.765
    Velocity X (km/s) 6.823 6.026
    Velocity Y (km/s) -3.305 -4.601
    Velocity Z (km/s) 0.834 -0.836

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30311 STARLINK-31129
    Semimajor Axis (a) 6861.206 km 6861.008 km
    Eccentricity (e) 0.000155 0.000164
    Inclination (i) 43.0000° 43.0023°
    RAAN 177.2690° 148.8880°
    Perigee Argument 237.5414° 271.5214°
    Mean Anomaly (M) 122.5289° 88.5450°
    Apogee 484.132 km 483.995 km
    Perigee 482.006 km 481.747 km
    Orbit Epoch 2026-09-01T20:37:26+0000 2026-09-02T10:40:17+0000

    STARLINK-30311 & STARLINK-31129 Collision Probability (Pc) Trend

    STARLINK-30311 & STARLINK-31129 Collision Probability (Pc) TrendNot Available

    STARLINK-30311 & STARLINK-31129 Miss Distance (Miss Distance) Trend

    STARLINK-30311 & STARLINK-31129 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30311Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31129Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30311Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31129Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30311

    No nearby objects data