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70313 (1999 RK138)
Classification: Main-belt Asteroid          SPK-ID: 2070313
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1753043084524535 3.4864e-08  
a 2.386966794679277 1.0879e-08 au
q 1.968521231439057 8.4731e-08 au
i 2.69343744402826 4.5851e-06 deg
node 23.44359970209596 8.295e-05 deg
peri 282.7471197011897 8.4124e-05 deg
M 246.7124987593837 1.6224e-05 deg
tp 2459424.384455067557
(2021-Jul-28.88445507)
6.1968e-05 TDB
period 1347.001232732727
3.69
9.2087e-06
2.521e-08
d
yr
n .2672603344761982 1.8271e-09 deg/d
Q 2.805412357919498 1.2786e-08 au
  Orbit Determination Parameters
   # obs. used (total)      883  
   data-arc span      7529 days (20.61 yr)  
   first obs. used      1999-09-07  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55613  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 13:37:05  

Additional Information
 Earth MOID = .955761 au 
 Jupiter MOID = 2.43956 au 
 T_jup = 3.512 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456894.5 (2014-Aug-25.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1762851590843268 3.4965e-08  
q 1.966006201465472 8.5069e-08 au
tp 2456728.845759724706
(2014-Mar-12.34575972)
5.5482e-05 TDB
node 23.47387660817979 8.2978e-05 deg
peri 282.4944542046852 8.4132e-05 deg
i 2.694318156349971 4.5833e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      883  
   data-arc span      7529 days (20.61 yr)  
   first obs. used      1999-09-07  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55613  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 13:37:05  

Additional Information
 Jupiter MOID = 2.43956 au 
 T_jup = 3.512 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.222523972203202E-15 -2.958182066727879E-15 2.411807869492358E-13 5.108495241153543E-15 5.918627967801512E-14 5.132903657413435E-16
q -2.958182066727879E-15 7.236680582315309E-15 -4.873005048103649E-13 -1.324279677265162E-14 -1.187924349167853E-13 -1.145310792407631E-15
tp 2.411807869492358E-13 -4.873005048103649E-13 3.078231480123563E-9 -6.619478159322788E-12 7.839167767988834E-10 4.967379984801024E-13
node 5.108495241153543E-15 -1.324279677265162E-14 -6.619478159322788E-12 6.885286346620264E-9 -6.878970822840147E-9 -3.250815105846623E-11
peri 5.918627967801512E-14 -1.187924349167853E-13 7.839167767988834E-10 -6.878970822840147E-9 7.078168289419182E-9 3.260980915946635E-11
i 5.132903657413435E-16 -1.145310792407631E-15 4.967379984801024E-13 -3.250815105846623E-11 3.260980915946635E-11 2.100645488486529E-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 15.7   n/a MPO417313  
diameter diameter 4.134 km 0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.037   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70313 (1999 RK138)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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