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19601 (1999 ND42)
Classification: Main-belt Asteroid          SPK-ID: 2019601
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1868620046892401 4.443e-08  
a 3.198359563554347 2.3207e-08 au
q 2.600707683791579 1.4159e-07 au
i 1.610381594002837 5.2611e-06 deg
node 157.9920559223454 0.00015184 deg
peri 156.66912150152 0.00015246 deg
M 250.3353127354575 1.7997e-05 deg
tp 2459836.934420473280
(2022-Sep-14.43442047)
0.00010902 TDB
period 2089.244925467091
5.72
2.2739e-05
6.226e-08
d
yr
n .1723110563111767 1.8754e-09 deg/d
Q 3.796011443317115 2.7543e-08 au
  Orbit Determination Parameters
   # obs. used (total)      921  
   data-arc span      10995 days (30.10 yr)  
   first obs. used      1991-02-14  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58417  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:56:37  

Additional Information
 Earth MOID = 1.58504 au 
 Jupiter MOID = 1.50546 au 
 T_jup = 3.167 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456602.5 (2013-Nov-06.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1823999943074067 4.4103e-08  
q 2.622736377360555 1.4034e-07 au
tp 2455648.971613448892
(2011-Mar-28.47161345)
8.8385e-05 TDB
node 158.0415147218872 0.00015243 deg
peri 156.2178784930142 0.00015308 deg
i 1.604666479432934 5.2465e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      921  
   data-arc span      10995 days (30.10 yr)  
   first obs. used      1991-02-14  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58417  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:56:37  

Additional Information
 Jupiter MOID = 1.50546 au 
 T_jup = 3.167 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.945032069049961E-15 -6.133139690281905E-15 1.337655801668131E-12 6.188756919408456E-15 1.922578325132021E-13 -3.131367346293569E-16
q -6.133139690281905E-15 1.969454662086662E-14 -3.791556997993742E-12 -1.385526221656203E-14 -5.268773801139065E-13 1.705373890695283E-15
tp 1.337655801668131E-12 -3.791556997993742E-12 7.811937682525033E-9 -1.401869840509465E-11 1.283760889334513E-9 -2.076603934806989E-12
node 6.188756919408456E-15 -1.385526221656203E-14 -1.401869840509465E-11 2.323367909348567E-8 -2.322428193502675E-8 7.789808569918621E-11
peri 1.922578325132021E-13 -5.268773801139065E-13 1.283760889334513E-9 -2.322428193502675E-8 2.343325890526364E-8 -7.804426432596793E-11
i -3.131367346293569E-16 1.705373890695283E-15 -2.076603934806989E-12 7.789808569918621E-11 -7.804426432596793E-11 2.752610898864098E-11

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 14.23   n/a MPCxxxxx  
diameter diameter 7.690 km 0.393 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.059 h n/a LCDB (Rev. 2020-October); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.062   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19601 (1999 ND42)          Discovered 1999-Jul-14 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 ND42 = 2000 VV10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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