Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.355954E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T01:35:59+0800
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    1 Object 1

    AOE ID 41456
    NORAD ID 41456
    Object Type PAYLOAD
    Country
    ESA ESA
    VS

    2 Object 2

    Name GRUS-1D
    AOE ID 47936
    NORAD ID 47936
    Object Type PAYLOAD
    Country
    JP JP

    Conjunction Constraints

    Parameter SENTINEL 1B GRUS-1D
    Time of Closest Approach 2026-09-06T09:09:51+0000
    Collision Probability (Pc) 1.355954E-6
    Conjunction Distance (km) 2.99 km
    Relative Speed (km/s) 15.014 km/s
    Conjunction Risk Parameters R (Radial): 2.973 | I (In-track): -0.055 | C (Cross-track): 0.31
    Collision Risk Index (CRI) 0.38
    X Position (km) -4515.291 -4517.46
    Position Y (km) 5088.823 5090.795
    Position Z (km) -1390.573 -1391.158
    Velocity X (km/s) 1.81 -0.232
    Velocity Y (km/s) -0.4 1.787
    Velocity Z (km/s) -7.351 7.362

    Orbital Parameters 国际轨道数据源

    Parameter SENTINEL 1B GRUS-1D
    Semimajor Axis (a) 6946.738 km 6948.594 km
    Eccentricity (e) 0.001194 0.001308
    Inclination (i) 98.0894° 97.5260°
    RAAN 311.0639° 128.0409°
    Perigee Argument 227.7416° 42.8441°
    Mean Anomaly (M) 132.2795° 317.3799°
    Apogee 576.894 km 579.547 km
    Perigee 560.308 km 561.367 km
    Orbit Epoch 2026-09-04T06:39:47+0000 2026-09-04T07:32:49+0000

    SENTINEL 1B & GRUS-1D Collision Probability (Pc) Trend

    SENTINEL 1B & GRUS-1D Collision Probability (Pc) TrendNot Available

    SENTINEL 1B & GRUS-1D Miss Distance (Miss Distance) Trend

    SENTINEL 1B & GRUS-1D Miss Distance (Miss Distance) TrendNot Available

    SENTINEL 1BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    GRUS-1DMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SENTINEL 1BCollision Probability Trend

    Object 1 Probability TrendNot Available

    GRUS-1DCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SENTINEL 1B

    No nearby objects data