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647 Adelgunde (A907 RM)
Classification: Main-belt Asteroid          SPK-ID: 2000647
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1939063538677087 1.6972e-08  
a 2.442705182227611 5.4125e-09 au
q 1.969049126768098 4.1543e-08 au
i 7.32673137349172 3.546e-07 deg
node 254.6672595709018 2.8445e-06 deg
peri 175.5342899710169 6.5625e-06 deg
M 238.7066658198127 4.2167e-06 deg
tp 2459866.328590197698
(2022-Oct-13.82859020)
1.7301e-05 TDB
period 1394.456617211196
3.82
4.6347e-06
1.269e-08
d
yr
n .2581650770319207 8.5805e-10 deg/d
Q 2.916361237687124 6.462e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3299  
   data-arc span      41606 days (113.91 yr)  
   first obs. used      1907-09-11  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39224  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 06:51:43  

Additional Information
 Earth MOID = .983398 au 
 Jupiter MOID = 2.3774 au 
 T_jup = 3.464 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456924.5 (2014-Sep-24.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1936012353215509 1.6749e-08  
q 1.969209128416908 4.0764e-08 au
tp 2457080.252110149571
(2015-Feb-26.75211015)
1.3676e-05 TDB
node 254.7653315265324 2.8455e-06 deg
peri 175.8051966642183 6.5914e-06 deg
i 7.327678443061713 3.5446e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      3299  
   data-arc span      41606 days (113.91 yr)  
   first obs. used      1907-09-11  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39224  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 06:51:43  

Additional Information
 Jupiter MOID = 2.3774 au 
 T_jup = 3.464 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.805266401357739E-16 -6.787377211986767E-16 -1.893551021179858E-13 1.837451590277794E-14 -8.722602567783725E-14 1.210983472816397E-15
q -6.787377211986767E-16 1.661706160680757E-15 4.675460470808701E-13 -4.513079556789381E-14 2.150375747922947E-13 -2.940184708188186E-15
tp -1.893551021179858E-13 4.675460470808701E-13 1.870274252539096E-10 -2.227208440861455E-11 8.485700765633924E-11 -5.02886573970602E-14
node 1.837451590277794E-14 -4.513079556789381E-14 -2.227208440861455E-11 8.096981819619654E-12 -1.499490026622506E-11 -1.575887358027171E-13
peri -8.722602567783725E-14 2.150375747922947E-13 8.485700765633924E-11 -1.499490026622506E-11 4.344616649385164E-11 6.383741281635287E-14
i 1.210983472816397E-15 -2.940184708188186E-15 -5.02886573970602E-14 -1.575887358027171E-13 6.383741281635287E-14 1.256436947124906E-13

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.27   n/a E2021B10  
diameter diameter 9.725 km 0.092 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 32.202 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.508   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.719   0.027 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=4.12, mean=4.39, max.=4.65) deg.
U-B UB 0.297   0.040 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=4.12, mean=4.39, max.=4.65) deg.
Tholen spectral type spec_T X   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

647 Adelgunde (A907 RM)          Discovered 1907-Sep-11 by Kopff, A. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A907 RM = 1930 SA = 1949 YJ = 1960 PA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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