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8801 Nugent (1981 EQ29)
Classification: Main-belt Asteroid          SPK-ID: 2008801
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06942046997663631 4.0504e-08  
a 3.122871109851252 1.7537e-08 au
q 2.906079929728919 1.3018e-07 au
i 4.086640235500335 4.1402e-06 deg
node 245.5081141111548 5.5953e-05 deg
peri 117.8206962646493 6.2317e-05 deg
M 285.33415148494 2.9538e-05 deg
tp 2459814.570015883659
(2022-Aug-23.07001588)
0.00016706 TDB
period 2015.716806429386
5.52
1.6979e-05
4.649e-08
d
yr
n .1785965165601309 1.5044e-09 deg/d
Q 3.339662289973586 1.8754e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1689  
   data-arc span      16477 days (45.11 yr)  
   first obs. used      1976-05-02  
   last obs. used      2021-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51625  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 01:46:09  

Additional Information
 Earth MOID = 1.90587 au 
 Jupiter MOID = 2.03306 au 
 T_jup = 3.208 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457176.5 (2015-Jun-03.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06856563336464105 4.0584e-08  
q 2.908181466742724 1.2989e-07 au
tp 2457808.005378183101
(2017-Feb-23.50537818)
0.00016061 TDB
node 245.5393895204442 5.5929e-05 deg
peri 119.3979556211205 6.2377e-05 deg
i 4.087617434196465 4.1412e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1689  
   data-arc span      16477 days (45.11 yr)  
   first obs. used      1976-05-02  
   last obs. used      2021-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51625  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 01:46:09  

Additional Information
 Jupiter MOID = 2.03306 au 
 T_jup = 3.208 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.647043292011853E-15 -5.229168841757292E-15 7.200623402226318E-13 5.83468666130978E-15 1.308192072360802E-13 -2.968076017336084E-17
q -5.229168841757292E-15 1.68726525677212E-14 -1.185725939630277E-12 -1.973734234021577E-14 -2.37245720749507E-13 2.379114725131561E-16
tp 7.200623402226318E-13 -1.185725939630277E-12 2.579549618942555E-8 7.138505042595895E-12 4.457557799532926E-9 8.955700238836007E-13
node 5.83468666130978E-15 -1.973734234021577E-14 7.138505042595895E-12 3.12801328794587E-9 -3.118751566149889E-9 -7.200416623836658E-11
peri 1.308192072360802E-13 -2.37245720749507E-13 4.457557799532926E-9 -3.118751566149889E-9 3.890891660284967E-9 7.196910545973405E-11
i -2.968076017336084E-17 2.379114725131561E-16 8.955700238836007E-13 -7.200416623836658E-11 7.196910545973405E-11 1.714935575883251E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.53   n/a E2021B10  
diameter diameter 7.421 km 0.623 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.154   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

8801 Nugent           Discovered 1981 Mar. 1 by S. J. Bus at Siding Spring.
Carolyn R. Nugent (b. 1984) is a postdoctoral researcher at the Jet Propulsion Laboratory. Her research examines the role of non-gravitational forces on asteroids, including relationships with the thermal properties of their surfaces.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2014-07-12Last Updated: 2014-08-13

Alternate Designations
 1981 EQ29 = 1976 JD8 = 1995 WV4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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