Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
571 Dulcinea (A905 RA)
Classification: Main-belt Asteroid          SPK-ID: 2000571
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 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2438464242164142 2.9739e-08  
a 2.409023079864764 5.7932e-09 au
q 1.821591415984928 7.1476e-08 au
i 5.227866660491036 3.6502e-06 deg
node 3.176685138245823 3.4729e-05 deg
peri 27.51955307006621 3.5501e-05 deg
M 214.2971372128949 9.4812e-06 deg
tp 2459553.245801199781
(2021-Dec-04.74580120)
3.7215e-05 TDB
period 1365.714335501251
3.74
4.9264e-06
1.349e-08
d
yr
n .2635983167503848 9.5085e-10 deg/d
Q 2.996454743744601 7.2059e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3119  
   data-arc span      42015 days (115.03 yr)  
   first obs. used      1905-09-06  
   last obs. used      2020-09-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41682  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:28:10  

Additional Information
 Earth MOID = .828676 au 
 Jupiter MOID = 2.46355 au 
 T_jup = 3.474 
[ show covariance matrix ]

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 11.7   n/a MPO473769  
diameter diameter 11.696 km 0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 126.3 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Stephens, R.D. (2011) Minor Planet Bull. 38, 115.]
geometric albedo albedo 0.298   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.867   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=6.77 deg.
U-B UB 0.437   0.034 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=6.77 deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

571 Dulcinea (A905 RA)          Discovered 1905-Sep-04 by Gotz, P. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1982-Nov-11 16:13 < 00:01 Iris 0.0421046100518852 0.0421037276729602 0.0421054924431252 2.4643126167087 2.46431256130387 2445285.175584314 0.823262328138395 60.9851374918262 23.3167760660166 -48.6402860741776 213630.686714443 T 42 CATAB v2.0f-lin.ifort 2020-Nov-13 04:28:18 2020-Nov-13 04:28
1987-Nov-05 17:39 < 00:01 Hebe 0.0288176592437175 0.0288168227015289 0.0288184957952303 7.41491636865029 7.41491633955702 2447105.235576796 0.188799207176555 51.2353410988259 20.6753027398484 39.4040281779302 147435.552999435 T 42 CATAB v2.0f-lin.ifort 2020-Nov-13 04:28:18 2020-Nov-13 04:28
1992-Jan-25 12:02 < 00:01 Iris 0.0133172963130905 0.013316178304392 0.0133184143218823 3.74318703751733 3.74318692219445 2448647.001079097 0.35176233560921 55.74555570533 16.8839086942157 -1.96672761504642 35921.8946382755 T 42 CATAB v2.0f-lin.ifort 2020-Nov-13 04:28:18 2020-Nov-13 04:28
2181-Sep-09 22:01 < 00:01 Amphi 0.0468697780588664 0.0468687525653436 0.0468708037681868 3.19878091843767 3.19878088009383 2517906.417387567 0.505475442008711 334.900064626579 44.8642567489474 -85.7631442346486 155740.077761866 T 42 CATAB v2.0f-lin.ifort 2020-Nov-13 04:28:18 2020-Nov-13 04:28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Dec-03 17:07 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin