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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 95 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .104058275278293 1.543e-08  
a 3.134921960860498 1.2152e-08 au
q 2.80870738848131 5.3056e-08 au
i 16.14646015276634 1.3048e-06 deg
node 169.542194828416 2.4338e-06 deg
peri 160.2376766737551 1.1234e-05 deg
M 189.0997282338888 1.3411e-05 deg
tp 2460162.951338303956
(2023-Aug-06.45133830)
7.7964e-05 TDB
period 2027.395733247337
5.55
1.1788e-05
3.227e-08
d
yr
n .1775677013107736 1.0325e-09 deg/d
Q 3.461136533239686 1.3416e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3072  
   data-arc span      41906 days (114.73 yr)  
   first obs. used      1906-06-21  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40851  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:09:44  

Additional Information
 Earth MOID = 1.80226 au 
 Jupiter MOID = 1.98305 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 9.71   n/a E2021B10 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. 2020-October); 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.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
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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