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66625 (1999 RE205)
Classification: Main-belt Asteroid          SPK-ID: 2066625
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1112632976277733 4.3727e-08  
a 2.687118251075583 1.5655e-08 au
q 2.388140613345139 1.171e-07 au
i 13.55225652813428 5.2965e-06 deg
node 296.374249102274 2.0944e-05 deg
peri 149.4145208572191 3.3194e-05 deg
M 185.4550998392418 2.5968e-05 deg
tp 2459780.569429206760
(2022-Jul-20.06942921)
0.00011887 TDB
period 1608.898307861128
4.40
1.406e-05
3.849e-08
d
yr
n .2237555961374492 1.9554e-09 deg/d
Q 2.986095888806028 1.7397e-08 au
  Orbit Determination Parameters
   # obs. used (total)      766  
   data-arc span      9987 days (27.34 yr)  
   first obs. used      1992-01-01  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52392  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 15:00:10  

Additional Information
 Earth MOID = 1.41399 au 
 Jupiter MOID = 2.19784 au 
 T_jup = 3.325 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456901.5 (2014-Sep-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1133111868217152 4.383e-08  
q 2.380083124523032 1.1771e-07 au
tp 2456566.039694762168
(2013-Sep-30.53969476)
0.00010738 TDB
node 296.4082280497095 2.0963e-05 deg
peri 149.3406781344895 3.2751e-05 deg
i 13.55099017813614 5.2958e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      766  
   data-arc span      9987 days (27.34 yr)  
   first obs. used      1992-01-01  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52392  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 15:00:10  

Additional Information
 Jupiter MOID = 2.19784 au 
 T_jup = 3.325 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.921071076102561E-15 -5.122878845804313E-15 3.127476727424382E-13 -6.523189696855788E-15 3.466628975840197E-14 -1.231662778128075E-15
q -5.122878845804313E-15 1.385552652750467E-14 -5.718014145738277E-13 1.833479804977373E-14 -2.429226268160896E-14 3.271636998262018E-15
tp 3.127476727424382E-13 -5.718014145738277E-13 1.153027414021095E-8 -2.858809189194414E-12 2.723875245266175E-9 -1.622521037780826E-11
node -6.523189696855788E-15 1.833479804977373E-14 -2.858809189194414E-12 4.394640451178975E-10 -4.274069322765408E-10 9.87695569670736E-12
peri 3.466628975840197E-14 -2.429226268160896E-14 2.723875245266175E-9 -4.274069322765408E-10 1.072629577420292E-9 -1.348385472773808E-11
i -1.231662778128075E-15 3.271636998262018E-15 -1.622521037780826E-11 9.87695569670736E-12 -1.348385472773808E-11 2.804528226706187E-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 14.7   n/a MPO296618  
diameter diameter 4.005 km 0.318 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 13.128 h n/a LCDB (Rev. 2019-August); 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.175   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66625 (1999 RE205)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RE205 = 2000 YK34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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