Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.431215E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T16:13:32+0800
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    1 Object 1

    AOE ID 53472
    NORAD ID 53472
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 54097
    NORAD ID 54097
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4447 STARLINK-5197
    Time of Closest Approach 2026-09-14T11:54:37+0000
    Collision Probability (Pc) 1.431215E-6
    Conjunction Distance (km) 2.833 km
    Relative Speed (km/s) 14.624 km/s
    Conjunction Risk Parameters R (Radial): 2.831 | I (In-track): -0.018 | C (Cross-track): 0.098
    Collision Risk Index (CRI) 0.38
    X Position (km) 6435.543 6438.189
    Position Y (km) 1582.866 1583.42
    Position Z (km) -1985.706 -1986.548
    Velocity X (km/s) 2.33 -2.779
    Velocity Y (km/s) -0.461 4.207
    Velocity Z (km/s) 7.209 -5.673

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4447 STARLINK-5197
    Semimajor Axis (a) 6912.574 km 6917.900 km
    Eccentricity (e) 0.000202 0.000172
    Inclination (i) 97.2872° 53.1600°
    RAAN 9.1652° 194.1068°
    Perigee Argument 93.6476° 72.3235°
    Mean Anomaly (M) 271.6127° 287.7944°
    Apogee 535.837 km 540.955 km
    Perigee 533.037 km 538.571 km
    Orbit Epoch 2026-09-11T22:00:02+0000 2026-09-11T13:04:27+0000

    STARLINK-4447 & STARLINK-5197 Collision Probability (Pc) Trend

    STARLINK-4447 & STARLINK-5197 Collision Probability (Pc) TrendNot Available

    STARLINK-4447 & STARLINK-5197 Miss Distance (Miss Distance) Trend

    STARLINK-4447 & STARLINK-5197 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4447Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5197Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4447Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5197Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4447

    No nearby objects data