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181043 Anan (2005 PV)
Classification: Main-belt Asteroid          SPK-ID: 2181043
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2011953938609296 6.3514e-08  
a 3.139900892403671 3.0373e-08 au
q 2.50816729567223 2.0497e-07 au
i 16.99734846488142 5.6281e-06 deg
node 160.3512393811978 2.1063e-05 deg
peri 196.2612146854048 2.4828e-05 deg
M 280.7000841216719 1.5615e-05 deg
tp 2459648.154096503079
(2022-Mar-09.65409650)
9.1815e-05 TDB
period 2032.227562364293
5.56
2.9487e-05
8.073e-08
d
yr
n .1771455159190815 2.5703e-09 deg/d
Q 3.771634489135111 3.6484e-08 au
  Orbit Determination Parameters
   # obs. used (total)      340  
   data-arc span      7587 days (20.77 yr)  
   first obs. used      1999-09-06  
   last obs. used      2020-06-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59743  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:28:59  

Additional Information
 Earth MOID = 1.50534 au 
 Jupiter MOID = 1.67751 au 
 T_jup = 3.113 
[ 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 15.09   n/a E2021B55  

181043 Anan           Discovered 2005 Aug. 4 by H. Hori and H. Maeno at Nakagawa.
With a population of 78~000, Anan city is located in eastern Shikoku Island. The industrial zone in the coastal region of the city contains a large-scale power plant. Known as the "Town of light", Anan has in recent years been known worldwide for its manufacture of luminescent material and light-emitting diodes.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20100527/MPCPages.arcLast Updated: 2010-12-06

[ show close-approach data ]
Alternate Designations
 2005 PV = 1999 RX257 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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