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70379 (1999 RL212)
Classification: Main-belt Asteroid          SPK-ID: 2070379
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .180750512723804 3.9627e-08  
a 2.438557271881332 1.347e-08 au
q 1.99778679468242 9.7744e-08 au
i 12.66478115396241 4.0242e-06 deg
node 268.9338774455632 2.3685e-05 deg
peri 330.0119330033283 2.7276e-05 deg
M 266.9370671608993 1.5536e-05 deg
tp 2459360.060603700496
(2021-May-25.56060370)
6.0896e-05 TDB
period 1390.906275820628
3.81
1.1525e-05
3.155e-08
d
yr
n .2588240532508933 2.1446e-09 deg/d
Q 2.879327749080244 1.5905e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1426  
   data-arc span      7500 days (20.53 yr)  
   first obs. used      1999-07-22  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44868  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:09:40  

Additional Information
 Earth MOID = .99413 au 
 Jupiter MOID = 2.19889 au 
 T_jup = 3.448 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456761.5 (2014-Apr-14.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1809975079473877 3.9514e-08  
q 1.997115177709821 9.7481e-08 au
tp 2456579.155693397246
(2013-Oct-13.65569340)
5.7981e-05 TDB
node 268.9856118607395 2.3693e-05 deg
peri 330.0808479033595 2.7292e-05 deg
i 12.66289179112047 4.0235e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1426  
   data-arc span      7500 days (20.53 yr)  
   first obs. used      1999-07-22  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44868  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:09:40  

Additional Information
 Jupiter MOID = 2.19889 au 
 T_jup = 3.448 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.561380907244163E-15 -3.827300010992115E-15 -7.439855089900317E-13 -3.774935190027216E-15 -1.881095948531692E-13 -3.419053470841525E-16
q -3.827300010992115E-15 9.502454328519427E-15 1.770502831208819E-12 1.117109353097266E-14 4.507481760900381E-13 1.27839367626052E-15
tp -7.439855089900317E-13 1.770502831208819E-12 3.361749074062771E-9 8.789576148980256E-12 8.223497008589296E-10 -3.736718327432218E-13
node -3.774935190027216E-15 1.117109353097266E-14 8.789576148980256E-12 5.613779250177538E-10 -5.44838348376618E-10 -9.363357650916494E-12
peri -1.881095948531692E-13 4.507481760900381E-13 8.223497008589296E-10 -5.44838348376618E-10 7.448567221812177E-10 9.020205910140642E-12
i -3.419053470841525E-16 1.27839367626052E-15 -3.736718327432218E-13 -9.363357650916494E-12 9.020205910140642E-12 1.61881902030238E-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 14.1   n/a MPO417314  
diameter diameter 3.621 km 0.098 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.257   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70379 (1999 RL212)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RL212 = 2000 WE51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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