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 ]  
212337 (2005 SD273)
Classification: Outer Main-belt Asteroid          SPK-ID: 2212337
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1571897278526648 6.5984e-08  
a 3.984351900620351 6.857e-08 au
q 3.35805270969259 2.7135e-07 au
i .8610852260951614 6.8557e-06 deg
node 39.12082042054637 0.00053533 deg
peri 253.6224730831744 0.00053603 deg
M 32.04034805591298 2.7587e-05 deg
tp 2458741.958845233676
(2019-Sep-15.45884523)
0.00022148 TDB
period 2904.925238435414
7.95
7.499e-05
2.053e-07
d
yr
n .123927457834989 3.1991e-09 deg/d
Q 4.610651091548112 7.9348e-08 au
  Orbit Determination Parameters
   # obs. used (total)      202  
   data-arc span      6709 days (18.37 yr)  
   first obs. used      2002-03-16  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59949  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 15:03:37  

Additional Information
 Earth MOID = 2.34205 au 
 Jupiter MOID = .595546 au 
 T_jup = 3.034 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457276.5 (2015-Sep-11.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1646745024591069 6.4513e-08  
q 3.317491199655838 2.6787e-07 au
tp 2455863.748430951155
(2011-Oct-29.24843095)
0.00022335 TDB
node 39.17945200032275 0.00052596 deg
peri 256.4957114101995 0.00052656 deg
i .8759154068760957 6.8982e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      202  
   data-arc span      6709 days (18.37 yr)  
   first obs. used      2002-03-16  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59949  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 15:03:37  

Additional Information
 Jupiter MOID = .595546 au 
 T_jup = 3.034 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.161940903366005E-15 -1.689964055749125E-14 5.515885836128838E-12 2.447001435474921E-14 5.917540289631575E-13 2.540916995490385E-16
q -1.689964055749125E-14 7.175249867359277E-14 -2.546388148708685E-11 -1.476713213025135E-13 -2.480939240446045E-12 -8.751109315509725E-16
tp 5.515885836128838E-12 -2.546388148708685E-11 4.988706884819022E-8 -1.807775166974906E-10 5.696884801770706E-9 -1.339054531074787E-13
node 2.447001435474921E-14 -1.476713213025135E-13 -1.807775166974906E-10 2.766370932718573E-7 -2.766246969352928E-7 -1.013105401573968E-9
peri 5.917540289631575E-13 -2.480939240446045E-12 5.696884801770706E-9 -2.766246969352928E-7 2.772649310362799E-7 1.012980429070928E-9
i 2.540916995490385E-16 -8.751109315509725E-16 -1.339054531074787E-13 -1.013105401573968E-9 1.012980429070928E-9 4.758579833159503E-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 14.8   n/a MPO440125  

212337 (2005 SD273)          Discovered 2005-Sep-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-30 10:18 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin