Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.185147E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T01:00:31+0800
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    1 Object 1

    AOE ID 57820
    NORAD ID 57820
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63879
    NORAD ID 63879
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30409 STARLINK-33812
    Time of Closest Approach 2026-09-13T07:30:13+0000
    Collision Probability (Pc) 1.185147E-6
    Conjunction Distance (km) 2.984 km
    Relative Speed (km/s) 11.803 km/s
    Conjunction Risk Parameters R (Radial): -2.883 | I (In-track): 0.484 | C (Cross-track): -0.593
    Collision Risk Index (CRI) 0.36
    X Position (km) 1976.772 1976.668
    Position Y (km) -5727.447 -5724.897
    Position Z (km) 3210.877 3209.333
    Velocity X (km/s) 5.312 3.867
    Velocity Y (km/s) 3.959 -2.156
    Velocity Z (km/s) 3.78 -6.211

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30409 STARLINK-33812
    Semimajor Axis (a) 6861.191 km 6855.169 km
    Eccentricity (e) 0.000137 0.000317
    Inclination (i) 43.0034° 69.9993°
    RAAN 267.3616° 126.1293°
    Perigee Argument 271.3282° 271.6954°
    Mean Anomaly (M) 88.7412° 88.3859°
    Apogee 483.996 km 479.204 km
    Perigee 482.112 km 474.860 km
    Orbit Epoch 2026-09-11T00:23:25+0000 2026-09-11T01:29:15+0000

    STARLINK-30409 & STARLINK-33812 Collision Probability (Pc) Trend

    STARLINK-30409 & STARLINK-33812 Collision Probability (Pc) TrendNot Available

    STARLINK-30409 & STARLINK-33812 Miss Distance (Miss Distance) Trend

    STARLINK-30409 & STARLINK-33812 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30409Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33812Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30409Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33812Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30409

    No nearby objects data