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1132 Hollandia (1929 RB1)
Classification: Main-belt Asteroid          SPK-ID: 2001132
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 57 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2750977781153345 1.3265e-08  
a 2.686015784858793 7.4118e-09 au
q 1.947098810461423 3.8105e-08 au
i 7.221858910821801 2.7473e-07 deg
node 29.59122506673634 6.6682e-06 deg
peri 270.6746620027727 7.5091e-06 deg
M 288.7166321617054 6.0355e-06 deg
tp 2459518.880878704964
(2021-Oct-31.38087871)
2.7811e-05 TDB
period 1607.908265414656
4.40
6.6553e-06
1.822e-08
d
yr
n .2238933698790095 9.2671e-10 deg/d
Q 3.424932759256164 9.4507e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3346  
   data-arc span      33428 days (91.52 yr)  
   first obs. used      1929-09-06  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38993  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 12:01:49  

Additional Information
 Earth MOID = .946285 au 
 Jupiter MOID = 1.88979 au 
 T_jup = 3.308 
[ 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 11.18   n/a E2021B10  
diameter diameter 27.235 km 0.116 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 5.322 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 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 Bull. 34, 119-122.]
[Clark, M. (2015) Minor Planet Bull. 42, 15-20.]
[Fauerbach, M.; Brown, A. (2018) Minor Planet Bull. 45, 240-241.]
[Fauerbach, M. (2020) Minor Planet Bull. 47, 343-344.]
geometric albedo albedo 0.086   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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