Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    8.881063E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T20:24:05+0800
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    1 Object 1

    AOE ID 1883
    NORAD ID 1883
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 59579
    NORAD ID 59579
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TITAN 3C TRANSTAGE DEB STARLINK-31686
    Time of Closest Approach 2026-09-12T03:38:55+0000
    Collision Probability (Pc) 8.881063E-6
    Conjunction Distance (km) 1.249 km
    Relative Speed (km/s) 9.054 km/s
    Conjunction Risk Parameters R (Radial): -1.181 | I (In-track): 0.322 | C (Cross-track): 0.241
    Collision Risk Index (CRI) 0.54
    X Position (km) 6131.887 6130.669
    Position Y (km) 2850.204 2850.079
    Position Z (km) -1170.951 -1170.707
    Velocity X (km/s) -3.369 -1.598
    Velocity Y (km/s) 5.666 5.497
    Velocity Z (km/s) -3.84 5.037

    Orbital Parameters 国际轨道数据源

    Parameter TITAN 3C TRANSTAGE DEB STARLINK-31686
    Semimajor Axis (a) 6870.430 km 6861.217 km
    Eccentricity (e) 0.001309 0.000167
    Inclination (i) 32.0908° 42.9971°
    RAAN 195.5275° 47.0816°
    Perigee Argument 220.5137° 279.8210°
    Mean Anomaly (M) 139.4552° 80.2453°
    Apogee 501.285 km 484.225 km
    Perigee 483.301 km 481.935 km
    Orbit Epoch 2026-09-11T03:12:35+0000 2026-09-10T03:03:54+0000

    TITAN 3C TRANSTAGE DEB & STARLINK-31686 Collision Probability (Pc) Trend

    TITAN 3C TRANSTAGE DEB & STARLINK-31686 Collision Probability (Pc) TrendNot Available

    TITAN 3C TRANSTAGE DEB & STARLINK-31686 Miss Distance (Miss Distance) Trend

    TITAN 3C TRANSTAGE DEB & STARLINK-31686 Miss Distance (Miss Distance) TrendNot Available

    TITAN 3C TRANSTAGE DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31686Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TITAN 3C TRANSTAGE DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31686Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TITAN 3C TRANSTAGE DEB

    No nearby objects data