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 ]  
920 Rogeria (A919 RC)
Classification: Main-belt Asteroid          SPK-ID: 2000920
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1051464629054532 3.0432e-08  
a 2.623414371266763 8.16e-09 au
q 2.347571629392729 7.9865e-08 au
i 11.57650316038206 4.7588e-06 deg
node 192.7868737132297 1.7103e-05 deg
peri 268.965913166726 2.9099e-05 deg
M 162.2515942843824 2.3596e-05 deg
tp 2458301.003994234609
(2018-Jul-01.50399423)
0.00010134 TDB
period 1552.025193873734
4.25
7.2412e-06
1.983e-08
d
yr
n .2319549975226034 1.0822e-09 deg/d
Q 2.899257113140796 9.018e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2862  
   data-arc span      36862 days (100.92 yr)  
   first obs. used      1919-09-01  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41215  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:24:40  

Additional Information
 Earth MOID = 1.39841 au 
 Jupiter MOID = 2.29288 au 
 T_jup = 3.367 
[ 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 11.3   n/a MPO473775 IRAS observations used: 21
diameter diameter 26.656 km 0.168 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 12.244 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.]
[Polakis, T. (2018) Minor Planet Bull. 45, 112-115.]
geometric albedo albedo 0.076   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.800   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=6.76 deg.
U-B UB 0.300   0.032 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=6.76 deg.
Tholen spectral type spec_T DTU   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

920 Rogeria (A919 RC)          Discovered 1919-Sep-01 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A919 RC = 1973 QC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-29 08:48 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin