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2880 Nihondaira (1983 CA)
Classification: Main-belt Asteroid          SPK-ID: 2002880
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1680552019909716 9.515e-09  
a 2.202903550423342 5.4137e-09 au
q 1.832694149290319 2.0577e-08 au
i 5.738012496218531 6.5994e-07 deg
node 39.63964204734721 5.0687e-06 deg
peri 246.8642581052023 8.4906e-06 deg
M 74.38355323756204 6.504e-06 deg
tp 2458953.744937917793
(2020-Apr-14.24493792)
2.1756e-05 TDB
period 1194.240103936532
3.27
4.4023e-06
1.205e-08
d
yr
n .3014469191022347 1.1112e-09 deg/d
Q 2.573112951556365 6.3235e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3303  
   data-arc span      22792 days (62.40 yr)  
   first obs. used      1958-10-12  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40156  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 14:24:44  

Additional Information
 Earth MOID = .823847 au 
 Jupiter MOID = 2.58712 au 
 T_jup = 3.638 
[ 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 12.79   n/a MPCxxxxx  
diameter diameter 7.051 km 0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 17.97 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Almeida, R.; Angeli, C.A.; Duffard, R.; Lazzaro, D. (2004) Astron. Astrophys. 415, 403-406.]
geometric albedo albedo 0.354   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

2880 Nihondaira (1983 CA)          Discovered 1983-Feb-08 by Seki, T. at Geisei
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1983 CA = 1935 RH = 1935 SW = 1948 QK = 1951 LU = 1958 TK = 1967 GM = 1971 UW1 = 1977 JK = 1980 FL10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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