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 ]  
226777 (2004 RB142)
Classification: Main-belt Asteroid          SPK-ID: 2226777
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01768661188100407 4.3178e-08  
a 2.755533318924025 2.4783e-08 au
q 2.706797270587041 1.2468e-07 au
i 4.934228257887153 5.6138e-06 deg
node 197.8040676656549 5.8967e-05 deg
peri 261.4432588872344 0.00021863 deg
M 47.29056233744372 0.00020608 deg
tp 2458781.028109564860
(2019-Oct-24.52810956)
0.00095715 TDB
period 1670.732523603174
4.57
2.2539e-05
6.171e-08
d
yr
n .2154743472782875 2.9069e-09 deg/d
Q 2.80426936726101 2.5221e-08 au
  Orbit Determination Parameters
   # obs. used (total)      278  
   data-arc span      6649 days (18.20 yr)  
   first obs. used      2002-02-06  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58064  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 10:29:59  

Additional Information
 Earth MOID = 1.72912 au 
 Jupiter MOID = 2.20386 au 
 T_jup = 3.338 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457270.5 (2015-Sep-05.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01686381497047897 4.4534e-08  
q 2.710004886860119 1.2925e-07 au
tp 2457135.545647789088
(2015-Apr-23.04564779)
0.00099613 TDB
node 197.8532925259832 5.9061e-05 deg
peri 266.9645038787287 0.00022538 deg
i 4.928589298067898 5.611e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      278  
   data-arc span      6649 days (18.20 yr)  
   first obs. used      2002-02-06  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58064  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 10:29:59  

Additional Information
 Jupiter MOID = 2.20386 au 
 T_jup = 3.338 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.983283043331715E-15 -5.655201461669828E-15 9.700774880892182E-12 6.524507330199198E-15 2.113777243918322E-12 -2.878898377860542E-15
q -5.655201461669828E-15 1.670639575667106E-14 -3.388908151085218E-11 -1.402553200293215E-14 -7.383195750752042E-12 8.402136613597172E-15
tp 9.700774880892182E-12 -3.388908151085218E-11 9.922799540867818E-7 -4.306419129621852E-10 2.166961561978327E-7 -1.493902007915638E-11
node 6.524507330199198E-15 -1.402553200293215E-14 -4.306419129621852E-10 3.488221409029429E-9 -3.568562934583203E-9 -4.755079341122687E-11
peri 2.113777243918322E-12 -7.383195750752042E-12 2.166961561978327E-7 -3.568562934583203E-9 5.079796841600554E-8 4.41220317590412E-11
i -2.878898377860542E-15 8.402136613597172E-15 -1.493902007915638E-11 -4.755079341122687E-11 4.41220317590412E-11 3.148335129669069E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO454629  
diameter diameter 3.196 km 0.674 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226777 (2004 RB142)          Discovered 2004-Sep-08 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-20 21:09 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin