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80128 (1999 RO210)
Classification: Main-belt Asteroid          SPK-ID: 2080128
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1706414353898629 3.8345e-08  
a 2.215883079083294 7.7991e-09 au
q 1.837761609812411 8.2827e-08 au
i 5.780172089356758 4.6338e-06 deg
node 263.5162861538788 3.8845e-05 deg
peri 98.41700252564247 4.1454e-05 deg
M 103.9589923885821 1.4396e-05 deg
tp 2458652.580917551478
(2019-Jun-18.08091755)
4.7479e-05 TDB
period 1204.810346884667
3.30
6.3608e-06
1.741e-08
d
yr
n .298802214747631 1.5775e-09 deg/d
Q 2.594004548354176 9.13e-09 au
  Orbit Determination Parameters
   # obs. used (total)      793  
   data-arc span      8446 days (23.12 yr)  
   first obs. used      1996-12-17  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53116  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:53:52  

Additional Information
 Earth MOID = .845994 au 
 Jupiter MOID = 2.89281 au 
 T_jup = 3.628 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457028.5 (2015-Jan-06.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .171558939366198 3.8482e-08  
q 1.83513958012893 8.3198e-08 au
tp 2457447.268988692600
(2016-Feb-28.76898869)
4.4992e-05 TDB
node 263.5804773707089 3.8897e-05 deg
peri 98.23270467374282 4.1449e-05 deg
i 5.776552269141789 4.6318e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      793  
   data-arc span      8446 days (23.12 yr)  
   first obs. used      1996-12-17  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53116  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:53:52  

Additional Information
 Jupiter MOID = 2.89281 au 
 T_jup = 3.628 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.480845450837134E-15 -3.19323760109208E-15 -7.432725483715443E-14 1.031758610786218E-15 -8.284574925441664E-14 -2.343190248805879E-15
q -3.19323760109208E-15 6.921858091099624E-15 2.372439936917957E-13 -2.927148612583752E-15 1.981460057153544E-13 5.166707187754469E-15
tp -7.432725483715443E-14 2.372439936917957E-13 2.024258760170893E-9 -9.104868525613238E-12 6.501006945767589E-10 6.173808632589435E-13
node 1.031758610786218E-15 -2.927148612583752E-15 -9.104868525613238E-12 1.512942475480416E-9 -1.507662495205465E-9 2.718610938923495E-11
peri -8.284574925441664E-14 1.981460057153544E-13 6.501006945767589E-10 -1.507662495205465E-9 1.717981268611886E-9 -2.677086385312676E-11
i -2.343190248805879E-15 5.166707187754469E-15 6.173808632589435E-13 2.718610938923495E-11 -2.677086385312676E-11 2.145374861702002E-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 15.8   n/a MPO290985  
diameter diameter 1.877 km 0.267 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.263   0.114 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

80128 (1999 RO210)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

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