Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
1132 Hollandia (1929 RB1)
Classification: Main-belt Asteroid          SPK-ID: 2001132
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .276868997611403 3.2265e-08  
a 2.686137888064478 1.0442e-08 AU
q 1.942429583550055 8.78e-08 AU
i 7.210352630761158 5.4042e-06 deg
node 29.84668024985936 3.1042e-05 deg
peri 269.9717596309237 3.2471e-05 deg
M 157.2549779662223 1.0748e-05 deg
tp 2456298.086609553255
(2013-Jan-05.58660955)
4.6167e-05 JED
period 1608.017907166942
4.40
9.3761e-06
2.567e-08
d
yr
n .2238781038416791 1.3054e-09 deg/d
Q 3.4298461925789 1.3333e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1478  
   data-arc span      31183 days (85.37 yr)  
   first obs. used      1929-09-13  
   last obs. used      2015-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51002  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 12:57:03  

Additional Information
 Earth MOID = .944579 AU 
 T_jup = 3.307 
[ 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 11.1 mag n/a MPO267711  
rotation period rot_per 5.360 h n/a LCDB (Rev. 2015-Feb); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Behrend, R. (2003) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Sauppe, J.; Torno, S.; Lemke-Oliver, R.; Ditteon, R. (2007) Minor Planet Bul. 34, 119-122.]
[Clark, M. (2015) Minor Planet Bul. 42, 15-20.]

1132 Hollandia (1929 RB1)          Discovered 1929-Sep-13 by Van Gent, H. at Johannesburg (LS)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1929 RB1 = 1942 NC = 1946 JA = 1951 WA 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Mar-06 12:37 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin