Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.021775E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T17:30:24+0800
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    1 Object 1

    AOE ID 48571
    NORAD ID 48571
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 69547
    NORAD ID 69547
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2221 STARLINK-37881
    Time of Closest Approach 2026-09-13T14:10:44+0000
    Collision Probability (Pc) 1.021775E-6
    Conjunction Distance (km) 2.965 km
    Relative Speed (km/s) 8.959 km/s
    Conjunction Risk Parameters R (Radial): 2.924 | I (In-track): -0.403 | C (Cross-track): -0.283
    Collision Risk Index (CRI) 0.35
    X Position (km) -1764.968 -1764.525
    Position Y (km) 4338.495 4336.868
    Position Z (km) 4987.447 4985.009
    Velocity X (km/s) -7.208 -0.754
    Velocity Y (km/s) -0.032 5.604
    Velocity Z (km/s) -2.516 -5.129

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2221 STARLINK-37881
    Semimajor Axis (a) 6848.888 km 6843.692 km
    Eccentricity (e) 0.000106 0.000096
    Inclination (i) 53.1611° 97.2831°
    RAAN 359.1781° 281.3962°
    Perigee Argument 90.7598° 99.2054°
    Mean Anomaly (M) 269.3525° 260.9297°
    Apogee 471.475 km 466.210 km
    Perigee 470.027 km 464.900 km
    Orbit Epoch 2026-09-10T13:38:44+0000 2026-09-10T15:07:42+0000

    STARLINK-2221 & STARLINK-37881 Collision Probability (Pc) Trend

    STARLINK-2221 & STARLINK-37881 Collision Probability (Pc) TrendNot Available

    STARLINK-2221 & STARLINK-37881 Miss Distance (Miss Distance) Trend

    STARLINK-2221 & STARLINK-37881 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2221Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37881Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2221Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37881Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2221

    No nearby objects data