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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2768689972150479 3.2231e-08  
a 2.686137888263998 1.0429e-08 AU
q 1.942429584758999 8.7692e-08 AU
i 7.210352573295943 5.3332e-06 deg
node 29.84668008862343 3.1002e-05 deg
peri 269.9717590833363 3.2408e-05 deg
M 157.2549784526386 1.0716e-05 deg
tp 2456298.086607302311
(2013-Jan-05.58660730)
4.6007e-05 JED
period 1608.017907346102
4.40
9.3652e-06
2.564e-08
d
yr
n .2238781038167353 1.3039e-09 deg/d
Q 3.429846191768997 1.3317e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1549  
   data-arc span      31201 days (85.42 yr)  
   first obs. used      1929-09-13  
   last obs. used      2015-02-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50103  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 13:33:41  

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 ]
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