Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.787577E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T15:57:31+0800
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    1 Object 1

    AOE ID 49398
    NORAD ID 49398
    Object Type UNKNOWN
    Country
    JP JP
    VS

    2 Object 2

    AOE ID 68027
    NORAD ID 68027
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter OBJECT D STARLINK-36940
    Time of Closest Approach 2026-09-12T17:25:57+0000
    Collision Probability (Pc) 3.787577E-6
    Conjunction Distance (km) 1.689 km
    Relative Speed (km/s) 11.013 km/s
    Conjunction Risk Parameters R (Radial): 1.545 | I (In-track): -0.472 | C (Cross-track): -0.493
    Collision Risk Index (CRI) 0.47
    X Position (km) 1185.561 1186.061
    Position Y (km) -428.854 -428.308
    Position Z (km) -6733.785 -6735.303
    Velocity X (km/s) 3.29 -6.882
    Velocity Y (km/s) -6.798 -3.097
    Velocity Z (km/s) 1.01 -1.015

    Orbital Parameters 国际轨道数据源

    Parameter OBJECT D STARLINK-36940
    Semimajor Axis (a) 6847.501 km 6843.690 km
    Eccentricity (e) 0.000684 0.000195
    Inclination (i) 97.3123° 97.2850°
    RAAN 295.9863° 202.2972°
    Perigee Argument 250.0911° 94.2132°
    Mean Anomaly (M) 109.9595° 265.9333°
    Apogee 474.050 km 466.887 km
    Perigee 464.678 km 464.219 km
    Orbit Epoch 2026-09-11T21:24:54+0000 2026-09-11T18:22:01+0000

    OBJECT D & STARLINK-36940 Collision Probability (Pc) Trend

    OBJECT D & STARLINK-36940 Collision Probability (Pc) TrendNot Available

    OBJECT D & STARLINK-36940 Miss Distance (Miss Distance) Trend

    OBJECT D & STARLINK-36940 Miss Distance (Miss Distance) TrendNot Available

    OBJECT DMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36940Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OBJECT DCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36940Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OBJECT D

    No nearby objects data