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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1679522005748304 9.5118e-09  
a 2.203068252150841 5.3966e-09 au
q 1.833058091185562 2.056e-08 au
i 5.73776507868805 6.5989e-07 deg
node 39.63889225400304 5.0689e-06 deg
peri 246.884285267207 8.4937e-06 deg
M 133.4529067500696 6.4715e-06 deg
tp 2458953.742535480159
(2020-Apr-14.24253548)
2.177e-05 TDB
period 1194.374038818451
3.27
4.3886e-06
1.202e-08
d
yr
n .3014131154057353 1.1075e-09 deg/d
Q 2.57307841311612 6.3029e-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-Jul-08 13:49:30  

Additional Information
 Earth MOID = .825817 au 
 Jupiter MOID = 2.58605 au 
 T_jup = 3.638 
[ show covariance matrix ]

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

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

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 ]
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