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JPL Small-Body Database Browser
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692 Hippodamia (A901 VJ)
Classification: Outer Main-belt Asteroid          SPK-ID: 2000692
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1688961620167097 3.8674e-08  
a 3.386156969730925 1.9924e-08 au
q 2.81424805355724 1.319e-07 au
i 26.07629764351449 5.6744e-06 deg
node 63.47284032936451 1.0934e-05 deg
peri 54.06952384212229 2.0634e-05 deg
M 305.7673864155241 1.7319e-05 deg
tp 2458943.360212840987
(2020-Apr-03.86021284)
0.00011052 TDB
period 2275.930818463947
6.23
2.0087e-05
5.5e-08
d
yr
n .1581770399519298 1.396e-09 deg/d
Q 3.95806588590461 2.3289e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1874  
   data-arc span      43094 days (117.98 yr)  
   first obs. used      1901-11-05  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41768  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 01:56:06  

Additional Information
 Earth MOID = 1.90161 au 
 Jupiter MOID = 1.61664 au 
 T_jup = 2.965 
[ 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 9.18   n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 15
diameter diameter 42.771 km 0.633 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 8.98 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Zappala, V.; Di Martino, M.; Cellino, A.; Farinella, P.; et al. (1989) Icarus 82, 354-368.]
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
geometric albedo albedo 0.205   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.860   0.017 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=10.31, mean=13.04, max.=14.16) deg.
U-B UB 0.435   0.025 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=10.31, mean=13.04, max.=14.16) deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo

692 Hippodamia (A901 VJ)          Discovered 1901-Nov-05 by Wolf, M. and Kopff, A. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A901 VJ = 1941 HK 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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