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1277 Dolores (1933 HA)
Classification: Main-belt Asteroid          SPK-ID: 2001277
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2371810155739469 3.3043e-08  
a 2.700518061557682 8.9755e-09 au
q 2.060006445141644 8.824e-08 au
i 6.968628987449764 3.9168e-06 deg
node 247.0391370476727 3.4343e-05 deg
peri 47.08778046481303 3.544e-05 deg
M 88.52772519586166 1.0219e-05 deg
tp 2458201.892138056904
(2018-Mar-24.39213806)
4.5217e-05 TDB
period 1620.947900581799
4.44
8.0811e-06
2.212e-08
d
yr
n .2220922707452762 1.1072e-09 deg/d
Q 3.341029677973719 1.1104e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2917  
   data-arc span      31583 days (86.47 yr)  
   first obs. used      1933-06-17  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43279  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 20:57:14  

Additional Information
 Earth MOID = 1.05075 au 
 Jupiter MOID = 1.88478 au 
 T_jup = 3.316 
[ 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 11.05   n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 22
diameter diameter 32.587 km 0.802 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 12.676 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Behrend, R. (2018) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Gocalves, R.M.D. (2019) Minor Planet Bull. 46, 95.]
geometric albedo albedo 0.063   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.730   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=11.35 deg.
U-B UB 0.378   0.027 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=11.35 deg.
Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices
SMASSII spectral type spec_B Cb   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)

1277 Dolores (1933 HA)          Discovered 1933-Apr-18 by Neujmin, G. at Simeis
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
2038-Mar-14 11:47 < 00:01 Jupiter 1.96767739043778 1.96767702990313 1.96767775097243 1.86715352122024 1.62028574668447 2465496.990884394 0.402230414764062 201.276457427198 31.6085191765591 -80.4259141819909 3006617.72123132 T 34 CATAB v2.0f-lin.ifort 2019-Dec-13 20:57:28 2019-Dec-13 20:57
2073-Jul-31 04:13 < 00:01 Jupiter 1.92543992360289 1.92543952909496 1.92544031811082 1.93237870767593 1.689457056027 2478419.675356030 0.891604367899969 184.220461228937 36.3381585779305 -79.8788514562342 2918634.92300798 T 34 CATAB v2.0f-lin.ifort 2019-Dec-13 20:57:28 2019-Dec-13 20:57
2108-Dec-22 14:00 00:01 Jupiter 1.89248616724222 1.89248578467893 1.89248654980562 2.01078527492263 1.77429276020281 2491347.083449360 1.39825432372064 160.864811210991 46.3101927140823 -83.3939532761892 2335931.55057874 T 34 CATAB v2.0f-lin.ifort 2019-Dec-13 20:57:28 2019-Dec-13 20:57
2144-May-20 12:07 00:02 Jupiter 1.88416923916261 1.88416891479498 1.88416956353066 2.10848861556326 1.88324994678468 2504280.004612888 1.93833176448515 164.548869729819 46.265187062776 87.8559599644117 1860536.77406157 T 34 CATAB v2.0f-lin.ifort 2019-Dec-13 20:57:28 2019-Dec-13 20:57
2179-Oct-17 20:01 00:03 Jupiter 1.87785689706947 1.87785659733078 1.87785719680869 2.20756161772875 1.99279004098846 2517213.333994028 2.53461084482827 211.165831006214 35.3026571504084 85.270585061286 1746446.32586939 T 34 CATAB v2.0f-lin.ifort 2019-Dec-13 20:57:28 2019-Dec-13 20:57

Alternate Designations
 1933 HA = 1925 SE = 1929 NB = 1942 JA = 1951 PB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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