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3657 Ermolova (1978 ST6)
Classification: Main-belt Asteroid          SPK-ID: 2003657
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1318945714600263 1.3674e-08  
a 2.312335931194522 5.4675e-09 au
q 2.007351374478 3.2493e-08 au
i 5.789989733397155 1.7414e-07 deg
node 237.2586283138356 1.2177e-05 deg
peri 102.0387550104843 1.2836e-05 deg
M 26.23126099387827 6.07e-06 deg
tp 2459106.918180208024
(2020-Sep-14.41818021)
2.1647e-05 TDB
period 1284.324651147105
3.52
4.5552e-06
1.247e-08
d
yr
n .2803029589741683 9.9416e-10 deg/d
Q 2.617320487911045 6.1886e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3416  
   data-arc span      34828 days (95.35 yr)  
   first obs. used      1925-10-06  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38765  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:23:04  

Additional Information
 Earth MOID = 1.00665 au 
 Jupiter MOID = 2.74975 au 
 T_jup = 3.565 
[ 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 12.75   n/a E2021B10  
diameter diameter 6.655 km 0.661 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 2.60655 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]
[Pravec, P.; Wolf, M.; Sarounova, L. (2006) http://www.asu.cas.cz/~ppravec/neo.htm]
[Pravec, P.; Wolf, M.; Sarounova, L. (2010) http://www.asu.cas.cz/~ppravec/neo.htm]
[Hasegawa, S.; Miyaska, S.; Mito, H.; Sarugaku, Y.; et al. (2014) Pub. Astron. Soc. Japan 66, 54.]
[Husarik, M. (2014) ACM 2014 Abstracts, 246.]
[Klinglesmith III, D.A.; Hanowell, J.; Turk, J. (2014) Minor Planet Bull. 41, 15-16.]
[Husarik, M. (2016) Earth, Moon, and Planets 119, 35-45.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
[Pray, D.; Pravec, P.; Kusnirak, P.; Kucakvoa, H.; et al. (2020) CBET 4861.]
geometric albedo albedo 0.543   0.171 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

3657 Ermolova (1978 ST6)          Discovered 1978-Sep-26 by Zhuravleva, L. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1978 ST6 = 1925 TE = 1984 GD1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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