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150 Nuwa (A875 UA)
Classification: Main-belt Asteroid          SPK-ID: 2000150
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 89 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1233516121652687 3.0552e-08  
a 2.983795934604849 9.2068e-09 au
q 2.615739895699166 9.1614e-08 au
i 2.201099868192695 3.7453e-06 deg
node 206.144731113195 8.8467e-05 deg
peri 153.4893630214157 8.982e-05 deg
M 43.74865157961437 1.6225e-05 deg
tp 2458771.721991750241
(2019-Oct-15.22199175)
8.451e-05 TDB
period 1882.574205059401
5.15
8.7133e-06
2.386e-08
d
yr
n .1912275218859917 8.8507e-10 deg/d
Q 3.351851973510532 1.0342e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3370  
   data-arc span      44386 days (121.52 yr)  
   first obs. used      1899-05-07  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46565  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:51:21  

Additional Information
 Earth MOID = 1.61255 au 
 Jupiter MOID = 2.10216 au 
 T_jup = 3.246 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455516.5 (2010-Nov-16.0) TDB
Reference: JPL 89 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1277091158636056 3.0889e-08  
q 2.600284130494805 9.3054e-08 au
tp 2454996.005078066738
(2009-Jun-13.50507807)
7.5494e-05 TDB
node 206.2730446997601 8.8831e-05 deg
peri 151.4002388610137 9.0027e-05 deg
i 2.192837836322602 3.7442e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3370  
   data-arc span      44386 days (121.52 yr)  
   first obs. used      1899-05-07  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46565  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:51:21  

Additional Information
 Jupiter MOID = 2.10216 au 
 T_jup = 3.246 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.541543734559436E-16 -2.863449369221615E-15 3.480462876650723E-13 6.836955840642745E-15 4.721038715720517E-14 4.484082203432868E-17
q -2.863449369221615E-15 8.659090640653935E-15 -9.281714343341176E-13 -1.843556067785925E-14 -1.200695122382496E-13 -3.369475887134408E-17
tp 3.480462876650723E-13 -9.281714343341176E-13 5.699314595114341E-9 1.256888490579425E-11 1.118467900006407E-9 1.412159556724949E-13
node 6.836955840642745E-15 -1.843556067785925E-14 1.256888490579425E-11 7.890867077258932E-9 -7.882252599833886E-9 5.991484173579785E-11
peri 4.721038715720517E-14 -1.200695122382496E-13 1.118467900006407E-9 -7.882252599833886E-9 8.104820566779E-9 -5.983424826276284E-11
i 4.484082203432868E-17 -3.369475887134408E-17 1.412159556724949E-13 5.991484173579785E-11 -5.983424826276284E-11 1.401867678619887E-11

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 8.5   n/a MPO502154 IRAS observations used: 19
diameter diameter 119.128 km 1.869 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 8.1347 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Di Martino, M. (1984) Icarus 60, 541-546.]
[Armstrong, J.C.; Nellermoe, B.L.; Reitzler, L.E. (1996) I.A.P.P.P. Comm. 63, 59-68.]
[Blanco, C.; Di Martino, M.; De Sanctis, G.; Riccioli, D. (1996) Planet. Space Sci. 44, 93-106.]
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2011) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pilcher, F. (2011) Minor Planet Bull. 38, 156-158.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
geometric albedo albedo 0.052   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.706   0.065 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=2.26, mean=6.69, max.=9.49) deg.
U-B UB 0.275   0.038 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=2.26, mean=6.69, max.=9.49) deg.
Tholen spectral type spec_T CX   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices
SMASSII spectral type spec_B Cb   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

150 Nuwa (A875 UA)          Discovered 1875-Oct-18 by Watson, J. C. at Ann Arbor
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A875 UA = 2002 JR70 = A908 AL 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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