Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    9.233367E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T00:41:47+0800
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    1 Object 1

    AOE ID 5013
    NORAD ID 5013
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

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

    Conjunction Constraints

    Parameter COSMOS 397 DEB SENTINEL 1B
    Time of Closest Approach 2026-09-06T11:47:54+0000
    Collision Probability (Pc) 9.233367E-6
    Conjunction Distance (km) 1.259 km
    Relative Speed (km/s) 9.981 km/s
    Conjunction Risk Parameters R (Radial): -1.233 | I (In-track): 0.203 | C (Cross-track): 0.15
    Collision Risk Index (CRI) 0.54
    X Position (km) 1479.086 1478.83
    Position Y (km) -2843.702 -2842.968
    Position Z (km) 6166.114 6165.124
    Velocity X (km/s) 4.764 -5.003
    Velocity Y (km/s) 6.003 4.611
    Velocity Z (km/s) 1.805 3.315

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 397 DEB SENTINEL 1B
    Semimajor Axis (a) 7568.811 km 6946.738 km
    Eccentricity (e) 0.083459 0.001194
    Inclination (i) 65.8092° 98.0894°
    RAAN 242.6658° 311.0639°
    Perigee Argument 62.1330° 227.7416°
    Mean Anomaly (M) 306.1703° 132.2795°
    Apogee 1822.363 km 576.894 km
    Perigee 558.985 km 560.308 km
    Orbit Epoch 2026-09-04T06:40:15+0000 2026-09-04T06:39:47+0000

    COSMOS 397 DEB & SENTINEL 1B Collision Probability (Pc) Trend

    COSMOS 397 DEB & SENTINEL 1B Collision Probability (Pc) TrendNot Available

    COSMOS 397 DEB & SENTINEL 1B Miss Distance (Miss Distance) Trend

    COSMOS 397 DEB & SENTINEL 1B Miss Distance (Miss Distance) TrendNot Available

    COSMOS 397 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SENTINEL 1BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 397 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    SENTINEL 1BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 397 DEB

    No nearby objects data