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4758 Hermitage (1978 SN4)
Classification: Outer Main-belt Asteroid          SPK-ID: 2004758
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 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1736779387559997 1.4354e-08  
a 3.210158934760272 1.4338e-08 au
q 2.652625147891952 5.0514e-08 au
i 1.622746037447549 1.9682e-07 deg
node 60.44833645034529 1.9732e-05 deg
peri 288.2211992150316 1.919e-05 deg
M 137.4013006707534 7.4046e-06 deg
tp 2458398.680577051622
(2018-Oct-07.18057705)
4.1347e-05 TDB
period 2100.817029040378
5.75
1.4074e-05
3.853e-08
d
yr
n .1713619011192244 1.148e-09 deg/d
Q 3.767692721628591 1.6828e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2969  
   data-arc span      26169 days (71.65 yr)  
   first obs. used      1949-07-28  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44711  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:49:36  

Additional Information
 Earth MOID = 1.64507 au 
 Jupiter MOID = 1.6593 au 
 T_jup = 3.167 
[ 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 12.37   n/a MPCxxxxx  
diameter diameter 19.455 km 0.448 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 10.1505 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Galad, A.; Vilagi, J.; Kornos, L.; Gajdos, S. (2009) Minor Planet Bull. 36, 116-118.]
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.067   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4758 Hermitage (1978 SN4)          Discovered 1978-Sep-27 by Chernykh, L. I. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1978 SN4 = 1949 OR = 1972 RF3 = 1977 LE1 = 1984 UU3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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