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1255 Schilowa (1932 NC)
Classification: Main-belt Asteroid          SPK-ID: 2001255
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1734874959391766 3.6564e-08  
a 3.143703405106174 1.3569e-08 au
q 2.598310173378841 1.1358e-07 au
i 8.547292620148275 4.1602e-06 deg
node 237.6228057584268 2.6424e-05 deg
peri 133.5097875329018 2.8806e-05 deg
M 122.8449360499385 1.2288e-05 deg
tp 2457905.770832135508
(2017-Jun-01.27083214)
6.7829e-05 TDB
period 2035.920311192531
5.57
1.3181e-05
3.609e-08
d
yr
n .1768242096809436 1.1448e-09 deg/d
Q 3.689096636833507 1.5923e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2672  
   data-arc span      41682 days (114.12 yr)  
   first obs. used      1905-10-24  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44988  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 20:56:45  

Additional Information
 Earth MOID = 1.60735 au 
 Jupiter MOID = 1.84333 au 
 T_jup = 3.169 
[ 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 10.3   n/a MPO253368  
diameter diameter 33.669 km 0.718 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 29.536 h n/a LCDB (Rev. 2019-January); 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. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.]
geometric albedo albedo 0.130   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1255 Schilowa (1932 NC)          Discovered 1932-Jul-08 by Neujmin, G. at Simeis
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1932 NC = 1933 VB = A905 UC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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