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JPL Small-Body Database Browser
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601 Nerthus (A906 MC)
Classification: Main-belt Asteroid          SPK-ID: 2000601
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 86 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1039198240783318 3.5389e-08  
a 3.135253684633978 1.3848e-08 au
q 2.809438673285873 1.1133e-07 au
i 16.14426498249052 4.2631e-06 deg
node 169.5465312439462 1.3381e-05 deg
peri 160.1722926908102 2.3479e-05 deg
M 153.6664110918848 1.9445e-05 deg
tp 2458134.966453825664
(2018-Jan-16.46645383)
0.00010914 TDB
period 2027.717537025346
5.55
1.3434e-05
3.678e-08
d
yr
n .1775395208782968 1.1762e-09 deg/d
Q 3.461068695982082 1.5287e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2651  
   data-arc span      41500 days (113.62 yr)  
   first obs. used      1906-06-21  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43226  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:32:00  

Additional Information
 Earth MOID = 1.80487 au 
 Jupiter MOID = 1.98256 au 
 T_jup = 3.143 
[ show covariance matrix ]

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 9.7   n/a MPO502158 IRAS observations used: 26
diameter diameter 75.535 km 0.504 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 13.59 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Stephens, R.D. (2007) Minor Planet Bull. 34, 14-15.]
[Collaborative Asteroid Lightcurve Link (CALL) (2011) http://www.minorplanetobserver.com/DATA/submissions_results.htm]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
geometric albedo albedo 0.043   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.660   0.049 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=3.92 deg.
Tholen spectral type spec_T X   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices
SMASSII spectral type spec_B C   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)

601 Nerthus (A906 MC)          Discovered 1906-Jun-21 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A906 MC = 1934 NF1 = 1940 RB1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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