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
JPL Small-Body Database Browser
Search: [ help ]  
90704 (1988 RO12)
Classification: Outer Main-belt Asteroid          SPK-ID: 2090704
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03162980287806057 4.2159e-08  
a 3.945396203569459 4.7266e-08 au
q 3.820604099374708 1.6669e-07 au
i .6224275076094801 4.7753e-06 deg
node 104.4929709704632 0.00047324 deg
peri 7.283486157762738 0.00048186 deg
M 258.8326431377629 9.1746e-05 deg
tp 2459804.900372830655
(2022-Aug-13.40037283)
0.00073707 TDB
period 2862.426608746656
7.84
5.1438e-05
1.408e-07
d
yr
n .1257674166736557 2.2601e-09 deg/d
Q 4.07018830776421 4.8761e-08 au
  Orbit Determination Parameters
   # obs. used (total)      966  
   data-arc span      11643 days (31.88 yr)  
   first obs. used      1988-09-14  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57516  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:13:37  

Additional Information
 Earth MOID = 2.83719 au 
 Jupiter MOID = .964919 au 
 T_jup = 3.059 
[ 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 13.5   n/a MPO493507  
diameter diameter 12.587 km 0.934 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.049   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

90704 (1988 RO12)          Discovered 1988-Sep-14 by Bus, S. J. at Cerro Tololo
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1988 RO12 = 2000 DV56 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-01 09:13 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin