Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    3.125061E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T01:36:02+0800
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    1 Object 1

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

    2 Object 2

    AOE ID 67483
    NORAD ID 67483
    Object Type PAYLOAD
    Country
    IT IT

    Conjunction Constraints

    Parameter SENTINEL 1B ION-SCV-021
    Time of Closest Approach 2026-09-06T18:21:41+0000
    Collision Probability (Pc) 3.125061E-7
    Conjunction Distance (km) 2.778 km
    Relative Speed (km/s) 0.477 km/s
    Conjunction Risk Parameters R (Radial): 0.361 | I (In-track): -2.752 | C (Cross-track): -0.077
    Collision Risk Index (CRI) 0.25
    X Position (km) -1439.254 -1437.439
    Position Y (km) 109.313 107.363
    Position Z (km) 6791.952 6792.737
    Velocity X (km/s) -5.043 -5.377
    Velocity Y (km/s) 5.527 5.192
    Velocity Z (km/s) -1.163 -1.225

    Orbital Parameters 国际轨道数据源

    Parameter SENTINEL 1B ION-SCV-021
    Semimajor Axis (a) 6946.738 km 6951.093 km
    Eccentricity (e) 0.001194 0.000929
    Inclination (i) 98.0894° 97.5183°
    RAAN 311.0639° 314.7127°
    Perigee Argument 227.7416° 200.0856°
    Mean Anomaly (M) 132.2795° 160.0002°
    Apogee 576.894 km 579.416 km
    Perigee 560.308 km 566.496 km
    Orbit Epoch 2026-09-04T06:39:47+0000 2026-09-04T03:23:55+0000

    SENTINEL 1B & ION-SCV-021 Collision Probability (Pc) Trend

    SENTINEL 1B & ION-SCV-021 Collision Probability (Pc) TrendNot Available

    SENTINEL 1B & ION-SCV-021 Miss Distance (Miss Distance) Trend

    SENTINEL 1B & ION-SCV-021 Miss Distance (Miss Distance) TrendNot Available

    SENTINEL 1BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ION-SCV-021Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SENTINEL 1BCollision Probability Trend

    Object 1 Probability TrendNot Available

    ION-SCV-021Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SENTINEL 1B

    No nearby objects data