Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
448 Natalie (A899 UC)
Classification: Main-belt Asteroid          SPK-ID: 2000448
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1885191029508478 1.418e-08  
a 3.135926472480045 1.078e-08 au
q 2.544744426968291 4.5661e-08 au
i 12.72202936332185 9.0664e-07 deg
node 37.23201772451453 3.7441e-06 deg
peri 293.6879876496599 4.3056e-06 deg
M 347.7605937097321 3.9714e-06 deg
tp 2459465.461243591195
(2021-Sep-07.96124359)
2.2491e-05 TDB
period 2028.370257842524
5.55
1.0459e-05
2.864e-08
d
yr
n .1774823894247562 9.1513e-10 deg/d
Q 3.7271085179918 1.2812e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3174  
   data-arc span      44478 days (121.77 yr)  
   first obs. used      1899-10-30  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40909  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 06:37:29  

Additional Information
 Earth MOID = 1.56724 au 
 Jupiter MOID = 1.85998 au 
 T_jup = 3.147 
[ 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 10.30   n/a E2021B10 IRAS observations used: 6
diameter diameter 50.534 km 0.249 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 8.0646 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Alvarez, E.M. (2011) Minor Planet Bull. 38, 54-55.]
geometric albedo albedo 0.052   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.660   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=8.40, mean=15.08, max.=19.11) deg.
U-B UB 0.303   0.046 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=8.40, mean=15.08, max.=19.11) deg.
Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

448 Natalie (A899 UC)          Discovered 1899-Oct-27 by Wolf, M. and Schwassmann, A. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A899 UC = 1949 UW = 1962 BA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-20 00:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin