Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
105 Artemis (A868 SA)
Classification: Main-belt Asteroid          SPK-ID: 2000105
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 120 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1772243481404025 1.6043e-08  
a 2.373431341743742 3.7032e-09 au
q 1.952801519347206 3.7765e-08 au
i 21.44158368773109 6.4337e-07 deg
node 188.2392164652479 1.7157e-06 deg
peri 57.15080403651705 5.9244e-06 deg
M 328.0116764837338 7.9669e-06 deg
tp 2459319.173134991939
(2021-Apr-14.67313499)
2.9703e-05 TDB
period 1335.560101340527
3.66
3.1258e-06
8.558e-09
d
yr
n .2695498312944967 6.3086e-10 deg/d
Q 2.794061164140277 4.3595e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2945  
   # delay obs. used      2  
   # Doppler obs. used      0  
   data-arc span      42639 days (116.74 yr)  
   first obs. used      1904-06-18  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41769  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 17:51:59  

Additional Information
 Earth MOID = 1.01051 au 
 Jupiter MOID = 2.31249 au 
 T_jup = 3.430 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456878.5 (2014-Aug-09.0) TDB
Reference: JPL 120 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1775262711229668 1.6018e-08  
q 1.952362937405523 3.774e-08 au
tp 2456647.853230772833
(2013-Dec-21.35323077)
2.6952e-05 TDB
node 188.2631573868534 1.7157e-06 deg
peri 57.18292626553156 5.925e-06 deg
i 21.44095326326295 6.4338e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2945  
   # delay obs. used      2  
   # Doppler obs. used      0  
   data-arc span      42639 days (116.74 yr)  
   first obs. used      1904-06-18  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41769  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 17:51:59  

Additional Information
 Jupiter MOID = 2.31249 au 
 T_jup = 3.430 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.565728551370103E-16 -6.026053036483088E-16 2.67726601607035E-13 8.43571689125007E-15 4.67234875579656E-14 1.898802719160655E-15
q -6.026053036483088E-16 1.424303908618131E-15 -6.072592884118169E-13 -2.03302591560532E-14 -1.041150529373124E-13 -4.535480774966118E-15
tp 2.67726601607035E-13 -6.072592884118169E-13 7.264009323470954E-10 -2.403033632726887E-13 1.53779802473697E-10 -1.617692406874793E-12
node 8.43571689125007E-15 -2.03302591560532E-14 -2.403033632726887E-13 2.943517242782146E-12 -2.439692039452194E-12 1.608663317111505E-13
peri 4.67234875579656E-14 -1.041150529373124E-13 1.53779802473697E-10 -2.439692039452194E-12 3.510597067028361E-11 -5.948114930976146E-13
i 1.898802719160655E-15 -4.535480774966118E-15 -1.617692406874793E-12 1.608663317111505E-13 -5.948114930976146E-13 4.139400457492644E-13

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 8.76   n/a MPCxxxxx IRAS observations used: 9
magnitude slope G 0.10   n/a PDS3 (MPC 17257) Fit
diameter diameter 94.864 km 23.222 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
rotation period rot_per 37.150 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Higley, S.; Hardersen, P.; Dyvig, R. (2008) Minor Planet Bull. 35, 63-66.]
[Pilcher, F. (2010) Minor Planet Bull. 37, 167.]
[Higgins, D.J. (2011) http://www.david-higgins.com/Astronomy/asteroid/lightcurves.htm]
geometric albedo albedo 0.032   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
B-V BV 0.693   0.026 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=5; phase (min.=11.12, mean=19.38, max.=27.00) deg.
U-B UB 0.317   0.016 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=11.12, mean=18.99, max.=27.00) deg.
Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo
SMASSII spectral type spec_B Ch   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

105 Artemis (A868 SA)          Discovered 1868-Sep-16 by Watson, J. C. at Ann Arbor
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-13 23:24 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin