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JPL Small-Body Database Browser
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27040 (1998 RD62)
Classification: Main-belt Asteroid          SPK-ID: 2027040
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1677889750927046 3.3807e-08  
a 2.246187836349694 7.3504e-09 au
q 1.869302281422879 7.8224e-08 au
i 4.143002823028061 3.8047e-06 deg
node 345.6851894499454 4.8829e-05 deg
peri 85.89908180208148 5.0388e-05 deg
M 349.5653212864052 1.1542e-05 deg
tp 2458636.140526770819
(2019-Jun-01.64052677)
3.9463e-05 TDB
period 1229.610416349317
3.37
6.0357e-06
1.652e-08
d
yr
n .2927756590325831 1.4371e-09 deg/d
Q 2.623073391276509 8.5838e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1778  
   data-arc span      10350 days (28.34 yr)  
   first obs. used      1991-08-06  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47722  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:34:06  

Additional Information
 Earth MOID = .889059 au 
 Jupiter MOID = 2.6512 au 
 T_jup = 3.609 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456641.5 (2013-Dec-15.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1670776312315815 3.3732e-08  
q 1.87083514375485 7.798e-08 au
tp 2456176.095022072077
(2012-Sep-05.59502207)
3.8755e-05 TDB
node 345.7486079199122 4.8763e-05 deg
peri 85.70191033393041 5.035e-05 deg
i 4.146269927569358 3.8063e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1778  
   data-arc span      10350 days (28.34 yr)  
   first obs. used      1991-08-06  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47722  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:34:06  

Additional Information
 Jupiter MOID = 2.6512 au 
 T_jup = 3.609 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.137826018655925E-15 -2.623198340512281E-15 -8.049250577048957E-14 9.244349780698041E-15 -1.500095938822459E-14 -2.282390089738414E-15
q -2.623198340512281E-15 6.080898570539168E-15 1.651770717843653E-13 -2.102829883242618E-14 3.08303762715788E-14 5.396960322463689E-15
tp -8.049250577048957E-14 1.651770717843653E-13 1.501987312420587E-9 -8.190693330132423E-12 4.953967713484433E-10 1.456419992948906E-12
node 9.244349780698041E-15 -2.102829883242618E-14 -8.190693330132423E-12 2.377876449189978E-9 -2.373552699252455E-9 1.854234157695907E-11
peri -1.500095938822459E-14 3.08303762715788E-14 4.953967713484433E-10 -2.373552699252455E-9 2.535133365258433E-9 -1.807950161789924E-11
i -2.282390089738414E-15 5.396960322463689E-15 1.456419992948906E-12 1.854234157695907E-11 -1.807950161789924E-11 1.44882230729595E-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 14.2   n/a MPO459046  
diameter diameter 4.024 km 0.147 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.330   0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27040 (1998 RD62)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 RD62 = 1991 PF14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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