Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.069886E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-01T18:01:42+0800
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    1 Object 1

    AOE ID 27958
    NORAD ID 27958
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

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

    Conjunction Constraints

    Parameter SL-12 DEB STARLINK-31980
    Time of Closest Approach 2026-09-02T08:10:17+0000
    Collision Probability (Pc) 2.069886E-6
    Conjunction Distance (km) 1.974 km
    Relative Speed (km/s) 8.389 km/s
    Conjunction Risk Parameters R (Radial): 0.279 | I (In-track): 1.813 | C (Cross-track): 0.732
    Collision Risk Index (CRI) 0.41
    X Position (km) -3382.625 -3383.432
    Position Y (km) -2503.611 -2501.81
    Position Z (km) -5400.755 -5400.731
    Velocity X (km/s) -0.187 5.477
    Velocity Y (km/s) -7.835 -5.204
    Velocity Z (km/s) 4.578 -1.022

    Orbital Parameters 国际轨道数据源

    Parameter SL-12 DEB STARLINK-31980
    Semimajor Axis (a) 11717.838 km 6840.861 km
    Eccentricity (e) 0.421358 0.000128
    Inclination (i) 65.1665° 53.1604°
    RAAN 254.4539° 329.8103°
    Perigee Argument 313.7931° 93.2044°
    Mean Anomaly (M) 18.2591° 266.9106°
    Apogee 10277.110 km 463.601 km
    Perigee 402.292 km 461.847 km
    Orbit Epoch 2026-08-31T07:19:11+0000 2026-08-31T17:31:24+0000

    SL-12 DEB & STARLINK-31980 Collision Probability (Pc) Trend

    SL-12 DEB & STARLINK-31980 Collision Probability (Pc) TrendNot Available

    SL-12 DEB & STARLINK-31980 Miss Distance (Miss Distance) Trend

    SL-12 DEB & STARLINK-31980 Miss Distance (Miss Distance) TrendNot Available

    SL-12 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31980Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-12 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31980Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-12 DEB

    No nearby objects data