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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1828496200239498 4.4454e-08  
a 3.126954473525204 1.7357e-08 AU
q 2.555192036208931 1.3746e-07 AU
i .2642877692126264 4.6409e-06 deg
node 261.5166741597978 0.0010665 deg
peri 129.2148351130944 0.0010664 deg
M 244.94351934216 1.1989e-05 deg
tp 2457445.989748300585
(2016-Feb-27.48974830)
6.9505e-05 JED
period 2019.671626140394
5.53
1.6816e-05
4.604e-08
d
yr
n .1782467978163175 1.4841e-09 deg/d
Q 3.698716910841478 2.053e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1819  
   data-arc span      35629 days (97.55 yr)  
   first obs. used      1916-11-16  
   last obs. used      2014-06-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52313  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:14:13  

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 ]
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