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1102 Pepita (1928 VA)
Classification: Main-belt Asteroid          SPK-ID: 2001102
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 58 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1107777872274598 3.3888e-08  
a 3.069790514946898 1.2151e-08 au
q 2.729725914449237 1.0264e-07 au
i 15.82532529710598 3.9355e-06 deg
node 216.5834928578707 1.387e-05 deg
peri 117.2617582465712 2.2936e-05 deg
M 90.39100075482345 1.8645e-05 deg
tp 2458507.230536659523
(2019-Jan-23.73053666)
0.00010168 TDB
period 1964.542989010947
5.38
1.1664e-05
3.193e-08
d
yr
n .1832487260465818 1.088e-09 deg/d
Q 3.40985511544456 1.3497e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2899  
   data-arc span      32729 days (89.61 yr)  
   first obs. used      1931-04-09  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39316  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:58:21  

Additional Information
 Earth MOID = 1.76434 au 
 Jupiter MOID = 2.04739 au 
 T_jup = 3.164 
[ 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 9.40   n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 6
diameter diameter 36.632 km 0.378 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 5.1054 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Stephens, R.D.; Sada, P.V. (2007) Minor Planet Bull. 34, 111-112.]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
[Behrend, R. (2019) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.229   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.724   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=.76 deg.
U-B UB 0.424   0.031 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=.76 deg.
Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

1102 Pepita (1928 VA)          Discovered 1928-Nov-05 by Comas Sola, J. at Barcelona
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1928 VA = 1960 WQ = A899 KB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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