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

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1827242080983912 4.3759e-08  
a 3.127196600475817 1.7239e-08 AU
q 2.555782078085893 1.3559e-07 AU
i .2642209805528585 4.6324e-06 deg
node 261.5103590297856 0.0010474 deg
peri 129.2009695326723 0.0010473 deg
M 280.5990882624858 1.2114e-05 deg
tp 2457446.006652401514
(2016-Feb-27.50665240)
6.9557e-05 JED
period 2019.906212094159
5.53
1.6702e-05
4.573e-08
d
yr
n .1782260967586045 1.4737e-09 deg/d
Q 3.698611122865742 2.0389e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1832  
   data-arc span      35725 days (97.81 yr)  
   first obs. used      1916-11-16  
   last obs. used      2014-09-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52292  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 13:48:17  

Additional Information
 Earth MOID = 1.56111 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. 2014-Mar-01) 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 ]
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