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3229 Solnhofen (A916 PC)
Classification: Main-belt Asteroid          SPK-ID: 2003229
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 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1531245250963423 9.8227e-09  
a 2.313845852467246 6.8198e-09 au
q 1.959539305162057 2.2075e-08 au
i 9.462038183430092 7.8809e-07 deg
node 306.5390418701429 4.6256e-06 deg
peri 19.20823923738524 8.962e-06 deg
M 222.9216551517444 6.1089e-06 deg
tp 2459690.015460249613
(2022-Apr-20.51546025)
2.2727e-05 TDB
period 1285.582824077287
3.52
5.6837e-06
1.556e-08
d
yr
n .2800286323507675 1.238e-09 deg/d
Q 2.668152399772434 7.8641e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2629  
   data-arc span      38223 days (104.65 yr)  
   first obs. used      1916-07-29  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4486  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 20:49:36  

Additional Information
 Earth MOID = .947622 au 
 Jupiter MOID = 2.64478 au 
 T_jup = 3.549 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456903.5 (2014-Sep-03.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1538497537481675 9.8478e-09  
q 1.957685672749977 2.2149e-08 au
tp 2457118.252211106504
(2015-Apr-05.75221111)
1.9978e-05 TDB
node 306.6275635845672 4.6212e-06 deg
peri 19.05708565062456 8.9201e-06 deg
i 9.46517595857893 7.8856e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2629  
   data-arc span      38223 days (104.65 yr)  
   first obs. used      1916-07-29  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4486  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 20:49:36  

Additional Information
 Jupiter MOID = 2.64478 au 
 T_jup = 3.549 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.697902551152077E-17 -2.110995937039967E-16 2.746109512793407E-14 -1.357433996396592E-14 1.838513799349035E-14 -2.253209322160309E-15
q -2.110995937039967E-16 4.90591473382793E-16 -6.803621259684502E-14 3.143416083294756E-14 -4.425553958280863E-14 5.218977255650286E-15
tp 2.746109512793407E-14 -6.803621259684502E-14 3.991307556063815E-10 -3.268724911526445E-11 1.594857179799608E-10 4.13705392657228E-13
node -1.357433996396592E-14 3.143416083294756E-14 -3.268724911526445E-11 2.135555782414784E-11 -2.983908701753665E-11 1.641763411674664E-12
peri 1.838513799349035E-14 -4.425553958280863E-14 1.594857179799608E-10 -2.983908701753665E-11 7.956874144459881E-11 -1.418696609517719E-12
i -2.253209322160309E-15 5.218977255650286E-15 4.13705392657228E-13 1.641763411674664E-12 -1.418696609517719E-12 6.218281814135719E-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 12.89   n/a E2021B10  
diameter diameter 7.140 km 0.139 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 11.52 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Folberth, J.; Casimir, S.; Dou, Y.; Evans, D; et al. (2012) Minor Planet Bull. 39, 51-55.]
geometric albedo albedo 0.316   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3229 Solnhofen (A916 PC)          Discovered 1916-Aug-09 by Thiele, H. at Bergedorf
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A916 PC = 1969 RV = 1982 FW2 = A916 SB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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