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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2744751753181378 3.1173e-08  
a 2.687974662292683 1.0594e-08 au
q 1.950192345609186 8.5117e-08 au
i 7.22116352382234 4.9491e-06 deg
node 29.62419370234242 2.9782e-05 deg
peri 270.4422698543013 3.114e-05 deg
M 290.9480144284717 1.122e-05 deg
tp 2457909.252052339350
(2017-Jun-04.75205234)
5.1182e-05 JED
period 1609.667526895793
4.41
9.5159e-06
2.605e-08
d
yr
n .2236486690479814 1.3222e-09 deg/d
Q 3.425756978976179 1.3501e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1817  
   data-arc span      31624 days (86.58 yr)  
   first obs. used      1929-09-13  
   last obs. used      2016-04-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48451  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 12:32:13  

Additional Information
 Earth MOID = .950897 au 
 Jupiter MOID = 1.87881 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. 2016-February); 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 ]
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