Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.064471E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T10:49:55+0800
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    1 Object 1

    AOE ID 51139
    NORAD ID 51139
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 59962
    NORAD ID 59962
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3172 STARLINK-31980
    Time of Closest Approach 2026-09-05T04:49:34+0000
    Collision Probability (Pc) 1.064471E-6
    Conjunction Distance (km) 2.997 km
    Relative Speed (km/s) 9.85 km/s
    Conjunction Risk Parameters R (Radial): 2.402 | I (In-track): -1.365 | C (Cross-track): -1.159
    Collision Risk Index (CRI) 0.36
    X Position (km) -5197.471 -5196.109
    Position Y (km) 1380.076 1377.862
    Position Z (km) -4240.374 -4238.884
    Velocity X (km/s) -4.439 1.453
    Velocity Y (km/s) -4.847 -6.411
    Velocity Z (km/s) 3.868 -3.868

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3172 STARLINK-31980
    Semimajor Axis (a) 6843.374 km 6840.871 km
    Eccentricity (e) 0.000144 0.000125
    Inclination (i) 53.1598° 53.1597°
    RAAN 215.3274° 321.2862°
    Perigee Argument 69.7087° 73.1608°
    Mean Anomaly (M) 290.4070° 286.9532°
    Apogee 466.221 km 463.588 km
    Perigee 464.253 km 461.880 km
    Orbit Epoch 2026-09-02T05:05:50+0000 2026-09-02T13:17:41+0000

    STARLINK-3172 & STARLINK-31980 Collision Probability (Pc) Trend

    STARLINK-3172 & STARLINK-31980 Collision Probability (Pc) TrendNot Available

    STARLINK-3172 & STARLINK-31980 Miss Distance (Miss Distance) Trend

    STARLINK-3172 & STARLINK-31980 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3172Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31980Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3172Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31980Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3172

    No nearby objects data