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816 Juliana (1916 YV)
Classification: Main-belt Asteroid          SPK-ID: 2000816
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1098231567089128 4.5701e-08  
a 3.001395597898096 1.8304e-08 au
q 2.671772858804693 1.3948e-07 au
i 14.32997301034039 5.4426e-06 deg
node 127.8635456784071 2.1824e-05 deg
peri 21.01187399177913 3.2101e-05 deg
M 66.10112434259551 2.2831e-05 deg
tp 2457051.769739185478
(2015-Jan-29.26973919)
0.00012056 JED
period 1899.255045081408
5.20
1.7374e-05
4.757e-08
d
yr
n .1895480024825046 1.7339e-09 deg/d
Q 3.3310183369915 2.0314e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1349  
   data-arc span      36309 days (99.41 yr)  
   first obs. used      1916-02-08  
   last obs. used      2015-07-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48367  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Oct-28 15:51:09  

Additional Information
 Earth MOID = 1.68913 au 
 Jupiter MOID = 1.72119 au 
 T_jup = 3.196 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 10.4 mag n/a MPO267709  
diameter diameter 59.85 km 1.2 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 23
rotation period rot_per 10.58 h n/a LCDB (Rev. 2015-December); Warner et al., 2009 Published Reference List:
[Stephens, R.D. (2005) Minor Planet Bul. 32, 82-83.]
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2010) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.0311   0.001 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 23

816 Juliana (1916 YV)          Discovered 1916-Feb-08 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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