Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
824 Anastasia (1916 ZH)
Classification: Main-belt Asteroid          SPK-ID: 2000824
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1366742824738453 3.8627e-08  
a 2.792611534611973 1.4482e-08 AU
q 2.410933356890698 1.1168e-07 AU
i 8.126062183858251 5.0988e-06 deg
node 141.4043060478172 3.0018e-05 deg
peri 142.1147641625013 3.3893e-05 deg
M 318.4016961678876 1.7214e-05 deg
tp 2457197.464219761639
(2015-Jun-23.96421976)
8.2057e-05 JED
period 1704.567556416862
4.67
1.3259e-05
3.63e-08
d
yr
n .2111972615252334 1.6428e-09 deg/d
Q 3.174289712333249 1.6461e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1509  
   data-arc span      36766 days (100.66 yr)  
   first obs. used      1913-10-26  
   last obs. used      2014-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53354  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 13:48:09  

Additional Information
 Earth MOID = 1.40196 AU 
 T_jup = 3.300 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 10.41 mag n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 11
diameter diameter 34.14 km 5.1 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 11
rotation period rot_per 250. h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Published Reference List:
[Stephens, R.D. (2010) Minor Planet Bul. 37, 159-161.]
geometric albedo albedo 0.1039   0.040 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 11
B-V BV .848 mag .040 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=2; phase (min.=4.51, mean=4.52, max.=4.52) deg.
U-B UB .410 mag .030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=1; phase=4.52 deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices
SMASSII spectral type spec_B L   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)

824 Anastasia (1916 ZH)          Discovered 1916-Mar-25 by Neujmin, G. at Simeis (094)
Independent discovery Apr. 1 by M. Wolf, Heidelberg, was announced first.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1916 ZH = 1948 BB = 1950 RR1 = A913 TB 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Oct-20 17:59 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin