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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
846 Lipperta (A916 WN)
Classification: Main-belt Asteroid          SPK-ID: 2000846
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1801056828768544 3.5105e-08  
a 3.131014252959928 1.282e-08 au
q 2.567100792833416 1.1067e-07 au
i .2652210316650903 3.7021e-06 deg
node 261.0992677151489 0.00088128 deg
peri 129.5819208882864 0.00088134 deg
M 205.8535557997987 1.1349e-05 deg
tp 2459466.976929892880
(2021-Sep-09.47692989)
6.6631e-05 TDB
period 2023.606164773468
5.54
1.2428e-05
3.403e-08
d
yr
n .1779002289411883 1.0926e-09 deg/d
Q 3.69492771308644 1.5128e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3410  
   data-arc span      37532 days (102.76 yr)  
   first obs. used      1916-11-16  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43282  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:12:44  

Additional Information
 Earth MOID = 1.572 au 
 Jupiter MOID = 1.74791 au 
 T_jup = 3.188 
[ 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 10.26   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 LCDB (Rev. 2019-January); Warner et al., 2009 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 Bull. 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 0.610   0.040 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=5.20 deg.
U-B UB 0.390   0.060 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #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 (A916 WN)          Discovered 1916-Nov-26 by Gyllenberg, K. at Bergedorf
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A916 WN = 1933 XF = 1943 QF = 1949 UB1 = A912 AD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-06 23:23 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin