Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.19686E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-15T08:21:09+0800
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    1 Object 1

    AOE ID 56138
    NORAD ID 56138
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63796
    NORAD ID 63796
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4774 STARLINK-33918
    Time of Closest Approach 2026-09-17T06:52:00+0000
    Collision Probability (Pc) 3.19686E-6
    Conjunction Distance (km) 1.65 km
    Relative Speed (km/s) 7.634 km/s
    Conjunction Risk Parameters R (Radial): -0.625 | I (In-track): -1.32 | C (Cross-track): -0.764
    Collision Risk Index (CRI) 0.45
    X Position (km) 5744.814 5744.5
    Position Y (km) 797.425 795.841
    Position Z (km) -3670.199 -3669.866
    Velocity X (km/s) -2.927 1.115
    Velocity Y (km/s) 6.252 6.814
    Velocity Z (km/s) -3.226 3.225

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4774 STARLINK-33918
    Semimajor Axis (a) 6861.198 km 6861.157 km
    Eccentricity (e) 0.000089 0.000156
    Inclination (i) 43.0018° 42.9974°
    RAAN 161.2572° 66.4978°
    Perigee Argument 257.0356° 247.2514°
    Mean Anomaly (M) 103.0397° 112.8172°
    Apogee 483.672 km 484.093 km
    Perigee 482.450 km 481.947 km
    Orbit Epoch 2026-09-14T10:22:43+0000 2026-09-14T11:36:57+0000

    STARLINK-4774 & STARLINK-33918 Collision Probability (Pc) Trend

    STARLINK-4774 & STARLINK-33918 Collision Probability (Pc) TrendNot Available

    STARLINK-4774 & STARLINK-33918 Miss Distance (Miss Distance) Trend

    STARLINK-4774 & STARLINK-33918 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4774Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33918Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4774Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33918Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4774

    No nearby objects data