Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.433588E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T10:48:17+0800
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    1 Object 1

    AOE ID 52564
    NORAD ID 52564
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 67981
    NORAD ID 67981
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3959 STARLINK-36874
    Time of Closest Approach 2026-09-12T21:31:00+0000
    Collision Probability (Pc) 1.433588E-6
    Conjunction Distance (km) 2.637 km
    Relative Speed (km/s) 12.228 km/s
    Conjunction Risk Parameters R (Radial): 2.636 | I (In-track): 0.037 | C (Cross-track): -0.051
    Collision Risk Index (CRI) 0.38
    X Position (km) 301.003 300.842
    Position Y (km) -4113.516 -4111.9
    Position Z (km) -5474.701 -5472.623
    Velocity X (km/s) 7.54 -1.168
    Velocity Y (km/s) 1.036 -6.049
    Velocity Z (km/s) -0.364 4.483

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3959 STARLINK-36874
    Semimajor Axis (a) 6848.981 km 6843.620 km
    Eccentricity (e) 0.000141 0.000192
    Inclination (i) 53.1619° 97.2843°
    RAAN 14.8294° 263.0678°
    Perigee Argument 86.1838° 124.5196°
    Mean Anomaly (M) 74.4830° 235.6228°
    Apogee 471.807 km 466.797 km
    Perigee 469.881 km 464.169 km
    Orbit Epoch 2026-09-11T20:00:01+0000 2026-09-11T12:51:46+0000

    STARLINK-3959 & STARLINK-36874 Collision Probability (Pc) Trend

    STARLINK-3959 & STARLINK-36874 Collision Probability (Pc) TrendNot Available

    STARLINK-3959 & STARLINK-36874 Miss Distance (Miss Distance) Trend

    STARLINK-3959 & STARLINK-36874 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3959Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36874Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3959Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36874Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3959

    No nearby objects data