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19651 (1999 RC112)
Classification: Main-belt Asteroid          SPK-ID: 2019651
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1560124443757671 1.9273e-08  
a 2.557428534624055 8.7013e-09 au
q 2.15843785762102 5.1e-08 au
i 14.64448569140399 1.3073e-06 deg
node 176.8492490672711 3.9917e-06 deg
peri 338.1230724599758 1.2191e-05 deg
M 232.1531416583023 1.0055e-05 deg
tp 2459731.007155683215
(2022-May-31.50715568)
4.3261e-05 TDB
period 1493.838632588971
4.09
7.6239e-06
2.087e-08
d
yr
n .2409898848151251 1.2299e-09 deg/d
Q 2.95641921162709 1.0059e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2287  
   data-arc span      23298 days (63.79 yr)  
   first obs. used      1957-04-28  
   last obs. used      2021-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44311  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-17 02:21:24  

Additional Information
 Earth MOID = 1.1726 au 
 Jupiter MOID = 2.04214 au 
 T_jup = 3.375 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.16   n/a E2021B10  
diameter diameter 7.138 km 0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.288   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

19651 (1999 RC112)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RC112 = 1990 KB = 1991 PO20 = 1994 JP1 = 1998 HB106 = 2000 SH221 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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