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70297 (1999 RG129)
Classification: Main-belt Asteroid          SPK-ID: 2070297
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2213520427661429 3.7662e-08  
a 2.357595058320589 9.3665e-09 au
q 1.835736576145963 9.2022e-08 au
i 2.227038206645341 4.1959e-06 deg
node 172.0260934631386 9.7025e-05 deg
peri 220.2808279618023 9.7554e-05 deg
M 279.8185994206994 1.3312e-05 deg
tp 2459494.991919638242
(2021-Oct-07.49191964)
5.0161e-05 TDB
period 1322.215505139681
3.62
7.8795e-06
2.157e-08
d
yr
n .2722702907359787 1.6226e-09 deg/d
Q 2.879453540495215 1.144e-08 au
  Orbit Determination Parameters
   # obs. used (total)      911  
   data-arc span      10637 days (29.12 yr)  
   first obs. used      1991-06-04  
   last obs. used      2020-07-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54966  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:48:50  

Additional Information
 Earth MOID = .841152 au 
 Jupiter MOID = 2.55982 au 
 T_jup = 3.519 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457196.5 (2015-Jun-23.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2206855843117294 3.7502e-08  
q 1.837613365133114 9.1432e-08 au
tp 2456852.770074111120
(2014-Jul-14.27007411)
4.0733e-05 TDB
node 172.064228917784 9.7126e-05 deg
peri 220.5402566794303 9.766e-05 deg
i 2.22472004772851 4.195e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      911  
   data-arc span      10637 days (29.12 yr)  
   first obs. used      1991-06-04  
   last obs. used      2020-07-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54966  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:48:50  

Additional Information
 Jupiter MOID = 2.55982 au 
 T_jup = 3.519 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.40642374345667E-15 -3.419871156832824E-15 -5.030041343133766E-13 -2.796394515221004E-15 -1.130704715508765E-13 -6.554689198338416E-17
q -3.419871156832824E-15 8.359784239423106E-15 1.328007891534033E-12 6.057023254473751E-15 3.031376792576009E-13 2.175979186643054E-16
tp -5.030041343133766E-13 1.328007891534033E-12 1.659175447694039E-9 2.858388559894952E-12 4.28016429494758E-10 3.140555813183581E-13
node -2.796394515221004E-15 6.057023254473751E-15 2.858388559894952E-12 9.433371493957494E-9 -9.425308292620479E-9 -1.874393088333095E-11
peri -1.130704715508765E-13 3.031376792576009E-13 4.28016429494758E-10 -9.425308292620479E-9 9.537506512236058E-9 1.8800541006385E-11
i -6.554689198338416E-17 2.175979186643054E-16 3.140555813183581E-13 -1.874393088333095E-11 1.8800541006385E-11 1.759839133746224E-11

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 15.81   n/a E2021B10  
rotation period rot_per 5.186 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.]

70297 (1999 RG129)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RG129 = 2001 DH70 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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