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14671 (1999 RM49)
Classification: Main-belt Asteroid          SPK-ID: 2014671
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1691036682969338 4.3405e-08  
a 2.735952803448666 1.272e-08 au
q 2.273293148098217 1.1988e-07 au
i 3.762477482769634 5.0113e-06 deg
node 13.10653677282511 5.9219e-05 deg
peri 14.49709412904584 6.0597e-05 deg
M 203.7880146297742 1.4559e-05 deg
tp 2459917.754332367526
(2022-Dec-04.25433237)
6.9351e-05 TDB
period 1652.956135474127
4.53
1.1527e-05
3.156e-08
d
yr
n .2177916233068939 1.5188e-09 deg/d
Q 3.198612458799116 1.4871e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1694  
   data-arc span      14150 days (38.74 yr)  
   first obs. used      1981-09-01  
   last obs. used      2020-05-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54262  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:35:45  

Additional Information
 Earth MOID = 1.27685 au 
 Jupiter MOID = 2.2574 au 
 T_jup = 3.328 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456623.5 (2013-Nov-27.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1657262310147214 4.3082e-08  
q 2.284285081589082 1.1855e-07 au
tp 2456609.962271971073
(2013-Nov-13.46227197)
6.2302e-05 TDB
node 13.21601361604327 5.933e-05 deg
peri 14.59719999877163 6.0775e-05 deg
i 3.758335288893972 5.0022e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1694  
   data-arc span      14150 days (38.74 yr)  
   first obs. used      1981-09-01  
   last obs. used      2020-05-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54262  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:35:45  

Additional Information
 Jupiter MOID = 2.2574 au 
 T_jup = 3.328 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.856059225864099E-15 -5.08674982436386E-15 -6.534552309313072E-13 8.570725790346725E-15 -1.991362641004197E-13 4.851004077646337E-16
q -5.08674982436386E-15 1.405337327004656E-14 1.917519332084645E-12 -2.330543602621211E-14 5.697066632502249E-13 -1.208935691916012E-15
tp -6.534552309313072E-13 1.917519332084645E-12 3.881492468793058E-9 -8.700264373823891E-12 8.318785514174835E-10 -1.132960622431305E-12
node 8.570725790346725E-15 -2.330543602621211E-14 -8.700264373823891E-12 3.520059664042517E-9 -3.514195100839463E-9 -7.902352887238391E-11
peri -1.991362641004197E-13 5.697066632502249E-13 8.318785514174835E-10 -3.514195100839463E-9 3.69361748944196E-9 7.861079677464063E-11
i 4.851004077646337E-16 -1.208935691916012E-15 -1.132960622431305E-12 -7.902352887238391E-11 7.861079677464063E-11 2.502197300681678E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.94   n/a E2021B10  
diameter diameter 9.083 km 0.208 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.579 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.]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.065   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14671 (1999 RM49)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20000418/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RM49 = 1981 RF6 = 1986 XU2 = 1993 FW21 = 1995 TH7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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