Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
92 Undina
Classification: Main-belt Asteroid          SPK-ID: 2000092
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 83 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1038751250273814 3.1124e-08  
a 3.187581780481767 1.0457e-08 au
q 2.85647132449922 1.0182e-07 au
i 9.929747399191108 3.808e-06 deg
node 101.5925682139842 2.4103e-05 deg
peri 239.5546982075543 2.9112e-05 deg
M 331.4358259862573 1.7646e-05 deg
tp 2457565.433775295753
(2016-Jun-25.93377530)
0.00010211 JED
period 2078.693368759906
5.69
1.0229e-05
2.801e-08
d
yr
n .1731857162823233 8.5222e-10 deg/d
Q 3.518692236464313 1.1543e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1621  
   data-arc span      52784 days (144.51 yr)  
   first obs. used      1871-03-09  
   last obs. used      2015-09-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56518  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Oct-05 13:02:07  

Additional Information
 Earth MOID = 1.86126 au 
 Jupiter MOID = 1.8425 au 
 T_jup = 3.166 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 6.61 mag n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 6
diameter diameter 126.42 km 3.4 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 6
rotation period rot_per 15.941 h n/a LCDB (Rev. 2015-December); Warner et al., 2009 Published Reference List:
[Schober, H.J.; Scaltriti, F.; Zappala, V. (1979) Astron. Astrophys. Suppl. Ser. 36, 1-8.]
[Warner, B.D. (2007) Minor Planet Bul. 34, 72-77.]
[Warner, B.D. (2011) http://www.minorplanetobserver.com/PDO/PDOLig htcurves.htm]
[Warner, B.D (2012) Minor Planet Bul. 39, 69-80.]
[Warner, Brian D. (2014) Minor Planet Bul. 41, 230-233.]
geometric albedo albedo 0.2509   0.014 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 6
B-V BV .725 mag .020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=5; phase (min.=2.83, mean=14.49, max.=19.33) deg.
U-B UB .275 mag .044 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=5; phase (min.=2.83, mean=14.49, max.=19.33) deg.
Tholen spectral type spec_T X   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices
SMASSII spectral type spec_B Xc   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)

92 Undina          Discovered 1867-Jul-07 by Peters, C. H. F. at Clinton
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-Feb-09 01:20 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin