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175796 (1999 RO131)
Classification: Main-belt Asteroid          SPK-ID: 2175796
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1237951366677571 4.5817e-08  
a 2.27802928018044 9.7173e-09 au
q 1.99602033410735 1.016e-07 au
i 6.530327762571534 5.3843e-06 deg
node 250.1822855888321 3.2155e-05 deg
peri 104.3219665712199 3.8221e-05 deg
M 56.0359162725897 2.0785e-05 deg
tp 2459005.020438275030
(2020-Jun-04.52043827)
7.2222e-05 TDB
period 1255.848871617583
3.44
8.0356e-06
2.2e-08
d
yr
n .286658696070894 1.8342e-09 deg/d
Q 2.560038226253529 1.092e-08 au
  Orbit Determination Parameters
   # obs. used (total)      578  
   data-arc span      7871 days (21.55 yr)  
   first obs. used      1999-09-04  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55878  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:04:33  

Additional Information
 Earth MOID = 1.00194 au 
 Jupiter MOID = 2.86168 au 
 T_jup = 3.589 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458062.5 (2017-Nov-05.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1247260126095138 4.5912e-08  
q 1.993755725725307 1.0194e-07 au
tp 2457749.620936845469
(2016-Dec-27.12093685)
7.0366e-05 TDB
node 250.1903474026627 3.2147e-05 deg
peri 104.4522378217194 3.8133e-05 deg
i 6.531452013803432 5.3868e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      578  
   data-arc span      7871 days (21.55 yr)  
   first obs. used      1999-09-04  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55878  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:04:33  

Additional Information
 Jupiter MOID = 2.86168 au 
 T_jup = 3.589 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.107954985692799E-15 -4.665876638494838E-15 1.624778243129379E-12 -1.069241467808237E-14 4.20723057738701E-13 -1.77832779218623E-15
q -4.665876638494838E-15 1.039086014592426E-14 -3.64064440384451E-12 2.229040611992899E-14 -9.393342944972998E-13 4.282245795403556E-15
tp 1.624778243129379E-12 -3.64064440384451E-12 4.951426463373192E-9 -1.342033627397956E-11 1.449368452960476E-9 -4.90570879437762E-12
node -1.069241467808237E-14 2.229040611992899E-14 -1.342033627397956E-11 1.033456893638626E-9 -1.02999739165236E-9 -6.141018114185468E-11
peri 4.20723057738701E-13 -9.393342944972998E-13 1.449368452960476E-9 -1.02999739165236E-9 1.45412163929553E-9 5.966276409355653E-11
i -1.77832779218623E-15 4.282245795403556E-15 -4.90570879437762E-12 -6.141018114185468E-11 5.966276409355653E-11 2.901758981091301E-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 16.4   n/a MPO268144  

175796 (1999 RO131)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

Alternate Designations
 1999 RO131 = 2003 YR95 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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