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 ]  
846 Lipperta (1916 AT)
Classification: Main-belt Asteroid          SPK-ID: 2000846
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1828496037639764 5.121e-08  
a 3.126954469465698 1.6409e-08 AU
q 2.5551920837359 1.5903e-07 AU
i .2642837015190164 4.542e-06 deg
node 261.5166224982246 0.0013061 deg
peri 129.2148891536598 0.0013059 deg
M 244.9435182328298 1.4789e-05 deg
tp 2457445.989753267157
(2016-Feb-27.48975327)
8.5488e-05 JED
period 2019.671622207396
5.53
1.5898e-05
4.353e-08
d
yr
n .1782467981634255 1.4031e-09 deg/d
Q 3.698716855195496 1.9409e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1782  
   data-arc span      35574 days (97.40 yr)  
   first obs. used      1916-11-16  
   last obs. used      2014-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5246  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 13:36:34  

Additional Information
 Earth MOID = 1.55944 AU 
 T_jup = 3.188 
[ 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 10.26 mag n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 9
diameter diameter 52.41 km 1.4 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 9
rotation period rot_per 1641. h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Buchheim, R.K. (2011) Minor Planet Bul. 38, 151-153.]
geometric albedo albedo 0.0506   0.003 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 9
B-V BV .610 mag .040 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=1; phase=5.20 deg.
U-B UB .390 mag .060 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=1; phase=5.20 deg.
Tholen spectral type spec_T CBU:   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

846 Lipperta (1916 AT)          Discovered 1916-Nov-26 by Gyllenberg, K. at Bergedorf
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1916 AT = 1933 XF = 1943 QF = 1949 UB1 = A912 AD 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Apr-23 14:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin