Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
27759 (1991 RE6)
Classification: Main-belt Asteroid          SPK-ID: 2027759
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08661587701461704 4.03e-08  
a 3.002904724407394 1.8064e-08 au
q 2.742805498111511 1.1947e-07 au
i 10.36371324156414 5.6435e-06 deg
node 31.76502516882028 2.2663e-05 deg
peri 274.1510986643425 4.1217e-05 deg
M 161.4310883983138 3.5618e-05 deg
tp 2457748.194225664613
(2016-Dec-25.69422566)
0.00018765 TDB
period 1900.687666824553
5.20
1.715e-05
4.695e-08
d
yr
n .1894051328282916 1.709e-09 deg/d
Q 3.263003950703277 1.9629e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1676  
   data-arc span      12033 days (32.94 yr)  
   first obs. used      1986-10-27  
   last obs. used      2019-10-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50134  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 05:02:00  

Additional Information
 Earth MOID = 1.75306 au 
 Jupiter MOID = 1.97555 au 
 T_jup = 3.222 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456295.5 (2013-Jan-03.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08421220032063127 3.8859e-08  
q 2.75020967381303 1.1395e-07 au
tp 2455829.806384852187
(2011-Sep-25.30638485)
0.00019586 TDB
node 32.16020164118339 2.2616e-05 deg
peri 270.8838767602981 4.268e-05 deg
i 10.3792710224239 5.6435e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1676  
   data-arc span      12033 days (32.94 yr)  
   first obs. used      1986-10-27  
   last obs. used      2019-10-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50134  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 05:02:00  

Additional Information
 Jupiter MOID = 1.97555 au 
 T_jup = 3.222 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.51001164126902E-15 -4.383346687517107E-15 2.642101332232293E-12 -3.51792205245281E-15 4.72082001579481E-13 2.333077800810901E-15
q -4.383346687517107E-15 1.298355740232727E-14 -7.813246268641278E-12 9.273338558539017E-15 -1.383537607802848E-12 -5.754697275734463E-15
tp 2.642101332232293E-12 -7.813246268641278E-12 3.83622090334096E-8 -2.759139549778441E-11 7.108637728627319E-9 7.524435461221422E-12
node -3.51792205245281E-15 9.273338558539017E-15 -2.759139549778441E-11 5.115041893074142E-10 -5.072860611884417E-10 -3.148588449514678E-11
peri 4.72082001579481E-13 -1.383537607802848E-12 7.108637728627319E-9 -5.072860611884417E-10 1.821601018536685E-9 3.217316722429454E-11
i 2.333077800810901E-15 -5.754697275734463E-15 7.524435461221422E-12 -3.148588449514678E-11 3.217316722429454E-11 3.184928167813894E-11

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 13.1   n/a MPO493035  
diameter diameter 8.551 km 0.141 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.167   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27759 (1991 RE6)          Discovered 1991-Sep-13 by Holt, H. E. at Palomar
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 RE6 = 1986 UF2 = 1999 CB44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-24 09:20 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin