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JPL Small-Body Database Browser
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671 Carnegia (A908 SJ)
Classification: Main-belt Asteroid          SPK-ID: 2000671
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 51 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06656389470764242 3.4762e-08  
a 3.091601394976303 1.4148e-08 au
q 2.885812365243099 1.0861e-07 au
i 8.028625162402319 4.6654e-06 deg
node .5000268708760093 2.8053e-05 deg
peri 90.43162715646496 4.6149e-05 deg
M 103.7286906662941 3.5887e-05 deg
tp 2458428.402481557826
(2018-Nov-05.90248156)
0.00019732 TDB
period 1985.517269294003
5.44
1.363e-05
3.732e-08
d
yr
n .1813129533383542 1.2446e-09 deg/d
Q 3.297390424709505 1.509e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2676  
   data-arc span      38437 days (105.23 yr)  
   first obs. used      1914-11-09  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44468  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:33:48  

Additional Information
 Earth MOID = 1.91697 au 
 Jupiter MOID = 1.83901 au 
 T_jup = 3.206 
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Orbital Elements at Epoch 2456022.5 (2012-Apr-05.0) TDB
Reference: JPL 51 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06837686080014098 3.4603e-08  
q 2.880219276762777 1.0846e-07 au
tp 2456459.306329429953
(2013-Jun-15.80632943)
0.00019136 TDB
node .7535334438473441 2.8024e-05 deg
peri 93.66939073449717 4.5466e-05 deg
i 8.034171629354596 4.6684e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2676  
   data-arc span      38437 days (105.23 yr)  
   first obs. used      1914-11-09  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44468  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:33:48  

Additional Information
 Jupiter MOID = 1.83901 au 
 T_jup = 3.206 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.19733847425308E-15 -3.725817168907865E-15 -3.021744550171048E-13 8.196828731918019E-17 -4.373588362276675E-14 -1.150830008075688E-15
q -3.725817168907865E-15 1.176462655041901E-14 9.891235799539843E-13 -1.951639986426132E-16 1.352992650707976E-13 4.042969531455973E-15
tp -3.021744550171048E-13 9.891235799539843E-13 3.661989342053548E-8 -2.976199798192645E-11 6.869065018619444E-9 -2.820943086540944E-12
node 8.196828731918019E-17 -1.951639986426132E-16 -2.976199798192645E-11 7.853174984729986E-10 -7.824003085432153E-10 1.153898554615203E-11
peri -4.373588362276675E-14 1.352992650707976E-13 6.869065018619444E-9 -7.824003085432153E-10 2.067173568848898E-9 -1.203288855902993E-11
i -1.150830008075688E-15 4.042969531455973E-15 -2.820943086540944E-12 1.153898554615203E-11 -1.203288855902993E-11 2.179430190131223E-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 10.2   n/a MPO259338  
diameter diameter 60.604 km 0.842 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 8.332 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Benishek, V. (2014) Minor Planet Bull. 41, 257-260.]
geometric albedo albedo 0.028   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
SMASSII spectral type spec_B Xk   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)

671 Carnegia (A908 SJ)          Discovered 1908-Sep-21 by Palisa, J. at Vienna
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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