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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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 
[ show covariance matrix ]

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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