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JPL Small-Body Database Browser
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4022 Nonna (1981 TL4)
Classification: Main-belt Asteroid          SPK-ID: 2004022
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1279532980423587 3.6533e-08  
a 2.358021699432342 8.607e-09 au
q 2.056305046134526 8.6965e-08 au
i 5.091828948962356 3.664e-06 deg
node 278.343173429323 5.2282e-05 deg
peri 33.91670160247972 5.5231e-05 deg
M 317.6084562733654 1.976e-05 deg
tp 2459156.238810804814
(2020-Nov-02.73881080)
7.2877e-05 TDB
period 1322.574432563227
3.62
7.2413e-06
1.983e-08
d
yr
n .2721964005476039 1.4903e-09 deg/d
Q 2.659738352730157 9.7083e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2364  
   data-arc span      24658 days (67.51 yr)  
   first obs. used      1952-10-24  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44303  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:02:37  

Additional Information
 Earth MOID = 1.04418 au 
 Jupiter MOID = 2.57386 au 
 T_jup = 3.537 
[ 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 13.1   n/a MPO384789  
diameter diameter 3.670 km 6.999 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 2.5877 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Galad, A.; Pravec, P.; Gajdos, S.; Kornos, L.; Vilagi, J. (2007) Earth, Moon, and Planets 101, 17-25.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2010) http://www.asu.cas.cz/~ppravec/neo.htm]
[Behrend, R. (2013) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pravec, P.; Wolf, M.; Sarounova, L. (2016) http://www.asu.cas.cz/~ppravec/neo.htm]
[Oey, J.; Groom, R. (2018) Minor Planet Bull. 45, 363-366.]
geometric albedo albedo 0.907   0.440 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

4022 Nonna (1981 TL4)          Discovered 1981-Oct-08 by Chernykh, L. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1981 TL4 = 1966 PC = 1984 OJ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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