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70030 Margaretmiller (1999 CZ1)
Classification: Inner Main-belt Asteroid          SPK-ID: 2070030
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08581369274415963 5.7007e-08  
a 1.952751682299418 5.7802e-09 au
q 1.785178849428935 1.1191e-07 au
i 17.03094656869197 5.3082e-06 deg
node 319.9706908771839 1.2272e-05 deg
peri 177.0441178626681 2.4942e-05 deg
M 284.7277496230623 2.3445e-05 deg
tp 2459208.901747904376
(2020-Dec-25.40174790)
6.5183e-05 TDB
period 996.7103264466995
2.73
4.4255e-06
1.212e-08
d
yr
n .3611881912404883 1.6037e-09 deg/d
Q 2.120324515169901 6.2763e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1116  
   data-arc span      8027 days (21.98 yr)  
   first obs. used      1998-11-25  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4772  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:54:10  

Additional Information
 Earth MOID = .798697 au 
 Jupiter MOID = 2.90745 au 
 T_jup = 3.832 
[ 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 15.1   n/a MPO493357  
diameter diameter 1.435 km 0.276 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.3292 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2010) Minor Planet Bull. 37, 112-118.]
[Warner, B.D (2012) Minor Planet Bull. 39, 16-21.]
[Warner, B.D. (2015) Minor Planet Bull. 42, 108-114.]
geometric albedo albedo 0.857   0.182 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70030 Margaretmiller           Discovered 1999 Feb. 7 by B. D. Warner at Palmer Divide Observatory.
Margaret Joan Miller (b. 1956) is the wife of the discoverer. A graduate of Indiana University, she is an accomplished violist who, as a member of the DaVinci Quartet, was a prize winner in two major international competitions. She now devotes her time to teaching viola and violin to students of all ages.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040306/MPCPages.arcLast Updated: 2004-03-08

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