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3890 Bunin (1976 YU5)
Classification: Main-belt Asteroid          SPK-ID: 2003890
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1404087179088438 1.2375e-08  
a 2.330044736094836 8.2066e-09 au
q 2.00288614202951 2.8741e-08 au
i 5.214473085481102 9.5864e-07 deg
node 259.5280925658658 4.3189e-06 deg
peri 71.82885234601034 8.3493e-06 deg
M 231.7323943296763 7.8145e-06 deg
tp 2459663.370287178358
(2022-Mar-24.87028718)
2.939e-05 TDB
period 1299.106680236112
3.56
6.8633e-06
1.879e-08
d
yr
n .2771135007438881 1.464e-09 deg/d
Q 2.657203330160162 9.3589e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2355  
   data-arc span      16149 days (44.21 yr)  
   first obs. used      1976-12-18  
   last obs. used      2021-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46225  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 15:50:09  

Additional Information
 Earth MOID = .997494 au 
 Jupiter MOID = 2.67334 au 
 T_jup = 3.553 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.83   n/a E2021B10  
diameter diameter 9.839 km 0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 13.39 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Stephens, R.D.; Warner, B.D. (2019) Minor Planet Bull. 45, 66-71.]
geometric albedo albedo 0.058   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3890 Bunin (1976 YU5)          Discovered 1976-Dec-18 by Chernykh, L. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1967-May-05 02:16 < 00:01 Iris 0.0408082889767515 0.0408034393303198 0.0408131386894738 4.32312963422265 4.323129601637 2439615.594586172 0.432067514085401 255.752439382899 48.0266396334468 19.4364985775103 47891.1714606618 T 35 CATAB v2.0f-lin.ifort 2021-Mar-16 15:51:07 2021-Mar-16 15:51
2054-May-16 19:09 < 00:01 Iris 0.0174906142917935 0.0174851891582326 0.0174960406753472 4.51698234444761 4.5169822716831 2471404.298094621 0.401733996639143 358.401185009992 36.4290121094606 -41.2729939690714 47673.8179548244 T 35 CATAB v2.0f-lin.ifort 2021-Mar-16 15:51:07 2021-Mar-16 15:51

Alternate Designations
 1976 YU5 = 1983 WX 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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