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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.

JPL Small-Body Database Browser
Search: [ help ]  
534 Nassovia (A904 HD)
Classification: Main-belt Asteroid          SPK-ID: 2000534
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

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.

[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05878587997323679 3.9695e-08  
a 2.884406918285487 1.1026e-08 au
q 2.714844519393182 1.1593e-07 au
i 3.275106356788475 4.2439e-06 deg
node 94.09254155762625 7.4533e-05 deg
peri 338.7573709245002 8.255e-05 deg
M 25.36539043117481 3.478e-05 deg
tp 2458874.426946846768
0.00017291 TDB
period 1789.30023798816
n .2011959716748118 1.1536e-09 deg/d
Q 3.053969317177792 1.1674e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3108  
   data-arc span      42290 days (115.78 yr)  
   first obs. used      1904-04-20  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42983  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:30:02  

Additional Information
 Earth MOID = 1.72994 au 
 Jupiter MOID = 2.10507 au 
 T_jup = 3.288 
[ 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 9.7   n/a MPO502158 IRAS observations used: 12
diameter diameter 32.333 km 0.322 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
rotation period rot_per 9.382 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Tedesco, E.F. (1979) PhD Dissertation, New. Mex. State Univ. 280pp.]
[Binzel, R.P. (1987) Icarus 72, 135-208.]
[Slivan, S.M.; Binzel, R.P. (1996) Icarus 124, 452-470.]
[Slivan, S.M.; Binzel, R.P.; Crespo da Silva, L.D.; Kaasalainen, M.; et al. (2003) Icarus 162, 285-307.]
[Slivan, S.M.; Binzel, R.P.; Kaasalianen, M.; Hock, A.N.; et al. (2009) Icarus 200, 514-530.]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
geometric albedo albedo 0.213   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
B-V BV 0.834   0.032 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=5; phase (min.=1.13, mean=3.64, max.=5.34) deg.
U-B UB 0.390   0.051 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=1.13, mean=3.31, max.=5.34) deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices; used ground-based radiometric albedo
SMASSII spectral type spec_B Sq   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)

534 Nassovia (A904 HD)          Discovered 1904-Apr-19 by Dugan, R. S. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A904 HD = 1975 YG = 2016 FT5 = A916 UQ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
FirstGov 2020-Mar-29 00:56 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin