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173910 (2001 VF31)
Classification: Main-belt Asteroid          SPK-ID: 2173910
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07003199019619838 3.8954e-08  
a 3.123281897042711 2.4523e-08 au
q 2.904552249849052 1.2057e-07 au
i 9.720743580617878 4.3518e-06 deg
node 68.83934302294516 2.5253e-05 deg
peri 22.47573620896847 4.1463e-05 deg
M 109.3949161735934 3.2899e-05 deg
tp 2458387.853662041944
(2018-Sep-26.35366204)
0.0001831 TDB
period 2016.114545166944
5.52
2.3745e-05
6.501e-08
d
yr
n .1785612830694548 2.103e-09 deg/d
Q 3.34201154423637 2.624e-08 au
  Orbit Determination Parameters
   # obs. used (total)      615  
   data-arc span      6789 days (18.59 yr)  
   first obs. used      2001-10-24  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52664  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:16:11  

Additional Information
 Earth MOID = 1.9235 au 
 Jupiter MOID = 1.879 au 
 T_jup = 3.190 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457650.5 (2016-Sep-19.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07079969486749049 3.8865e-08  
q 2.903490266680436 1.2048e-07 au
tp 2458390.952145153712
(2018-Sep-29.45214515)
0.00018144 TDB
node 68.85448444666034 2.5253e-05 deg
peri 23.12488183801111 4.1221e-05 deg
i 9.720004606976879 4.3514e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      615  
   data-arc span      6789 days (18.59 yr)  
   first obs. used      2001-10-24  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52664  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:16:11  

Additional Information
 Jupiter MOID = 1.879 au 
 T_jup = 3.190 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.510452554469994E-15 -4.599489001178047E-15 -8.615719275536695E-13 4.463721645756774E-15 -2.195979387980512E-13 -5.530076912336097E-16
q -4.599489001178047E-15 1.451528347136447E-14 3.25682984005048E-12 -1.576851901150561E-14 7.472466503768156E-13 2.228716054097588E-15
tp -8.615719275536695E-13 3.25682984005048E-12 3.291945492294856E-8 5.269385362749471E-12 5.921960901786816E-9 -7.875097414433662E-12
node 4.463721645756774E-15 -1.576851901150561E-14 5.269385362749471E-12 6.377357427226076E-10 -6.275734291605384E-10 -1.829710975327398E-11
peri -2.195979387980512E-13 7.472466503768156E-13 5.921960901786816E-9 -6.275734291605384E-10 1.699169562416626E-9 1.661059014746257E-11
i -5.530076912336097E-16 2.228716054097588E-15 -7.875097414433662E-12 -1.829710975327398E-11 1.661059014746257E-11 1.89346999375046E-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 15.0   n/a MPO338381  

173910 (2001 VF31)          Discovered 2001-Nov-09 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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