Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.219781E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T11:42:32+0800
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    1 Object 1

    AOE ID 53780
    NORAD ID 53780
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 69672
    NORAD ID 69672
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4678 STARLINK-37946
    Time of Closest Approach 2026-09-05T12:27:10+0000
    Collision Probability (Pc) 1.219781E-6
    Conjunction Distance (km) 2.983 km
    Relative Speed (km/s) 12.409 km/s
    Conjunction Risk Parameters R (Radial): -2.072 | I (In-track): -1.251 | C (Cross-track): -1.741
    Collision Risk Index (CRI) 0.37
    X Position (km) -877.092 -878.496
    Position Y (km) 4043.721 4043.401
    Position Z (km) -5457.768 -5460.38
    Velocity X (km/s) -7.55 2.824
    Velocity Y (km/s) -0.896 -5.462
    Velocity Z (km/s) 0.549 -4.501

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4678 STARLINK-37946
    Semimajor Axis (a) 6843.355 km 6843.674 km
    Eccentricity (e) 0.000117 0.000078
    Inclination (i) 53.1613° 97.2837°
    RAAN 199.4240° 289.0397°
    Perigee Argument 76.2176° 91.3217°
    Mean Anomaly (M) 283.8956° 268.8116°
    Apogee 466.019 km 466.074 km
    Perigee 464.417 km 465.000 km
    Orbit Epoch 2026-09-02T03:29:17+0000 2026-09-02T12:57:51+0000

    STARLINK-4678 & STARLINK-37946 Collision Probability (Pc) Trend

    STARLINK-4678 & STARLINK-37946 Collision Probability (Pc) TrendNot Available

    STARLINK-4678 & STARLINK-37946 Miss Distance (Miss Distance) Trend

    STARLINK-4678 & STARLINK-37946 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4678Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37946Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4678Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37946Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4678

    No nearby objects data