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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 
[ show covariance matrix ]

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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