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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2775212399995429 3.2432e-08  
a 2.684373262573779 1.062e-08 AU
q 1.939402666122685 8.8389e-08 AU
i 7.21323616172971 5.7779e-06 deg
node 29.89469884105128 3.1195e-05 deg
peri 269.8300116156519 3.2746e-05 deg
M 112.5543400489468 1.0791e-05 deg
tp 2456298.247012603314
(2013-Jan-05.74701260)
4.7004e-05 JED
period 1606.433615835492
4.40
9.5328e-06
2.61e-08
d
yr
n .2240988961207508 1.3298e-09 deg/d
Q 3.429343859024872 1.3567e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1425  
   data-arc span      30861 days (84.49 yr)  
   first obs. used      1929-09-13  
   last obs. used      2014-03-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5144  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 11:58:02  

Additional Information
 Earth MOID = .939721 AU 
 T_jup = 3.308 
[ 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 5.568 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) 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.]

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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