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1065 Amundsenia (1926 PD)
Classification: Mars-crossing Asteroid          SPK-ID: 2001065
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2965204482683075 5.0036e-08  
a 2.362146740633697 6.6426e-09 au
q 1.661721930225472 1.1698e-07 au
i 8.36333890277171 6.133e-06 deg
node 330.3569367733195 3.7973e-05 deg
peri 353.5341960214972 3.876e-05 deg
M 235.8378875397136 1.0183e-05 deg
tp 2457857.846467415561
(2017-Apr-14.34646742)
3.8402e-05 JED
period 1326.046448527235
3.63
5.5935e-06
1.531e-08
d
yr
n .271483702852062 1.1452e-09 deg/d
Q 3.062571551041922 8.6123e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1268  
   data-arc span      32628 days (89.33 yr)  
   first obs. used      1926-08-04  
   last obs. used      2015-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46113  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 12:36:53  

Additional Information
 Earth MOID = .648055 au 
 Jupiter MOID = 2.27559 au 
 T_jup = 3.476 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.1 mag n/a MPO337252  
rotation period rot_per 7.7594 h n/a LCDB (Rev. 2015-December); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2006) http://www.asu.cas.cz/~ppravec/neo.htm]
SMASSII spectral type spec_B S   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)

1065 Amundsenia (1926 PD)          Discovered 1926-Aug-04 by Belyavskij, S. at Simeis
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1926 PD = 1930 XL = 1955 QE = 1955 RD = 1955 SM1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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