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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1105003022536863 4.6243e-08  
a 3.002927421294617 2.1059e-08 AU
q 2.671103033595679 1.4336e-07 AU
i 14.33041349495163 5.6103e-06 deg
node 127.875074274407 2.5032e-05 deg
peri 21.69593388231185 3.5605e-05 deg
M 311.8508843763412 2.7084e-05 deg
tp 2457054.715188335537
(2015-Feb-01.21518834)
0.00014361 JED
period 1900.709215847463
5.20
1.9994e-05
5.474e-08
d
yr
n .1894029854742867 1.9924e-09 deg/d
Q 3.334751808993555 2.3386e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1055  
   data-arc span      35840 days (98.12 yr)  
   first obs. used      1916-02-08  
   last obs. used      2014-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5138  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 11:56:37  

Additional Information
 Earth MOID = 1.68871 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 Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) 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]
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 (024)
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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