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JPL Small-Body Database Browser
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663 Gerlinde (A908 MB)
Classification: Main-belt Asteroid          SPK-ID: 2000663
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 78 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1454313256206853 3.28e-08  
a 3.067939332164949 1.2081e-08 au
q 2.62176484816436 9.8799e-08 au
i 17.82255584245327 3.5617e-06 deg
node 232.8535987378693 1.3104e-05 deg
peri 311.3024511808906 1.8757e-05 deg
M 32.25125939651007 1.4487e-05 deg
tp 2458824.661991931476
(2019-Dec-07.16199193)
7.8622e-05 TDB
period 1962.766232673642
5.37
1.1594e-05
3.174e-08
d
yr
n .183414608427217 1.0834e-09 deg/d
Q 3.514113816165537 1.3838e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2596  
   data-arc span      40850 days (111.84 yr)  
   first obs. used      1908-06-24  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42553  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:10:01  

Additional Information
 Earth MOID = 1.65428 au 
 Jupiter MOID = 1.61221 au 
 T_jup = 3.143 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455288.5 (2010-Apr-02.0) TDB
Reference: JPL 78 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1524520442135135 3.2977e-08  
q 2.593658207185738 1.0025e-07 au
tp 2454896.435072396182
(2009-Mar-05.93507240)
6.8834e-05 TDB
node 233.0125086450835 1.3092e-05 deg
peri 310.5115788215535 1.8185e-05 deg
i 17.85163290614301 3.5671e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2596  
   data-arc span      40850 days (111.84 yr)  
   first obs. used      1908-06-24  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42553  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:10:01  

Additional Information
 Jupiter MOID = 1.61221 au 
 T_jup = 3.143 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.08750637099549E-15 -3.290099502985172E-15 -3.200792427744746E-13 1.108481918247167E-15 -3.548589009375045E-14 -1.203941362480021E-15
q -3.290099502985172E-15 1.005018607537953E-14 9.973787817157047E-13 -2.119091230991573E-15 1.133132324892765E-13 4.007069964850478E-15
tp -3.200792427744746E-13 9.973787817157047E-13 4.738074746221129E-9 -5.581474320187638E-12 8.909001461439796E-10 7.47297972128392E-12
node 1.108481918247167E-15 -2.119091230991573E-15 -5.581474320187638E-12 1.713933758635699E-10 -1.639939784694469E-10 1.055319078442492E-12
peri -3.548589009375045E-14 1.133132324892765E-13 8.909001461439796E-10 -1.639939784694469E-10 3.307033195707728E-10 2.501051994281163E-13
i -1.203941362480021E-15 4.007069964850478E-15 7.47297972128392E-12 1.055319078442492E-12 2.501051994281163E-13 1.272406257447359E-11

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 9.2   n/a MPO473770 IRAS observations used: 9
diameter diameter 107.795 km 1.571 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 10.251 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Warner, B.D. (2006) Minor Planet Bull. 33, 35-39.]
[Chiorny, V.G.; Shevchenko, V.G.; Krugly, Yu.N.; Velichko, F.P.; Gaftonyuk, N.M. (2007) Planet. Space Sci. 55, 986-997.]
geometric albedo albedo 0.031   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.677   0.023 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=5.37, mean=10.17, max.=13.18) deg.
U-B UB 0.308   0.055 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=5.37, mean=10.17, max.=13.18) deg.
Tholen spectral type spec_T X   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices

663 Gerlinde (A908 MB)          Discovered 1908-Jun-24 by Kopff, A. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A908 MB = 1948 AB = 1952 WF = 1958 XP 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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