Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.313442E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T15:32:04+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 53153
    NORAD ID 53153
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter OBJECT D STARLINK-4098
    Time of Closest Approach 2026-09-05T06:55:00+0000
    Collision Probability (Pc) 1.313442E-6
    Conjunction Distance (km) 2.987 km
    Relative Speed (km/s) 14.171 km/s
    Conjunction Risk Parameters R (Radial): 0.559 | I (In-track): -1.084 | C (Cross-track): 2.727
    Collision Risk Index (CRI) 0.37
    X Position (km) 2249.997 2247.487
    Position Y (km) -4620.258 -4620.82
    Position Z (km) -4530.317 -4531.835
    Velocity X (km/s) 1.012 4.158
    Velocity Y (km/s) -5.034 5.388
    Velocity Z (km/s) 5.637 -3.435

    Orbital Parameters 国际轨道数据源

    Parameter OBJECT D STARLINK-4098
    Semimajor Axis (a) 6847.912 km 6847.057 km
    Eccentricity (e) 0.000669 0.000145
    Inclination (i) 97.3136° 53.1610°
    RAAN 287.2790° 80.9411°
    Perigee Argument 290.2211° 98.4231°
    Mean Anomaly (M) 69.8312° 126.6143°
    Apogee 474.353 km 469.915 km
    Perigee 465.197 km 467.925 km
    Orbit Epoch 2026-09-03T01:48:08+0000 2026-09-03T22:00:02+0000

    OBJECT D & STARLINK-4098 Collision Probability (Pc) Trend

    OBJECT D & STARLINK-4098 Collision Probability (Pc) TrendNot Available

    OBJECT D & STARLINK-4098 Miss Distance (Miss Distance) Trend

    OBJECT D & STARLINK-4098 Miss Distance (Miss Distance) TrendNot Available

    OBJECT DMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4098Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OBJECT DCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4098Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OBJECT D

    No nearby objects data