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727 Nipponia (A912 CF)
Classification: Main-belt Asteroid          SPK-ID: 2000727
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1058805109450146 3.7809e-08  
a 2.566287142809378 8.4019e-09 au
q 2.294567348897099 9.728e-08 au
i 15.0604189529049 4.1899e-06 deg
node 133.0576791778685 1.6242e-05 deg
peri 274.6562595153784 2.5919e-05 deg
M 90.78957597158018 2.1397e-05 deg
tp 2458221.804812543911
(2018-Apr-13.30481254)
8.8627e-05 TDB
period 1501.607051528331
4.11
7.3743e-06
2.019e-08
d
yr
n .2397431469395359 1.1774e-09 deg/d
Q 2.838006936721657 9.2916e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2621  
   data-arc span      38697 days (105.95 yr)  
   first obs. used      1913-05-29  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40485  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 19:12:44  

Additional Information
 Earth MOID = 1.36239 au 
 Jupiter MOID = 2.50551 au 
 T_jup = 3.376 
[ 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 9.6   n/a MPO337248  
diameter diameter 32.17 km 1.5 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 16
rotation period rot_per 5.0687 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Behrend, R. (2001) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2003) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2012) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Kim, M.-J.; Choi, Y.-J.; Moon, H.-K.; Byun, Y.-I.; et al. (2014) Astron. J. 147, A56.]
geometric albedo albedo 0.2423   0.025 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 16
B-V BV 0.801   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=14.37 deg.
U-B UB 0.273   0.037 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=14.37 deg.
Tholen spectral type spec_T DT   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

727 Nipponia (A912 CF)          Discovered 1912-Feb-11 by Massinger, A. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A912 CF = 1953 BE = A900 EA = A908 CC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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