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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 ]

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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 85 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1233516073654691 3.1061e-08  
a 2.983795936262895 9.4024e-09 au
q 2.615739911474312 9.3438e-08 au
i 2.201099919111824 3.7901e-06 deg
node 206.1447297161594 8.8714e-05 deg
peri 153.4893640199849 9.0063e-05 deg
M 43.74865108869476 1.6235e-05 deg
tp 2458771.721994126751
(2019-Oct-15.22199413)
8.4557e-05 TDB
period 1882.574206628574
5.15
8.8984e-06
2.436e-08
d
yr
n .1912275217265988 9.0388e-10 deg/d
Q 3.351851961051477 1.0562e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3222  
   data-arc span      44286 days (121.25 yr)  
   first obs. used      1899-05-07  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47519  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:10:37  

Additional Information
 Earth MOID = 1.61255 au 
 Jupiter MOID = 2.10216 au 
 T_jup = 3.246 
[ 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 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. 2019-August); 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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2016-Apr-08 12:06 00:01 Thisb 0.0429124483141145 0.0429116795124665 0.0429132171166516 2.05812396404049 2.05812388684002 2457487.004022559 1.10529080073726 57.832668609618 37.2864130241501 78.8490845193774 169923.043240995 T 85 CATAB v2.0f-lin.ifort 2020-Aug-24 22:10:57 2020-Aug-24 22:11
2029-Apr-28 20:28 00:05 Psych 0.0476982744325182 0.0476976306252928 0.0476989182712415 0.988551227751282 0.988550971154402 2462255.352808307 4.56121870999167 100.43493840993 24.605120483262 78.3354325277371 280300.548565655 T 85 CATAB v2.0f-lin.ifort 2020-Aug-24 22:10:57 2020-Aug-24 22:11

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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