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
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 ]  
351 Yrsa (A892 YA)
Classification: Main-belt Asteroid          SPK-ID: 2000351
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 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1552398270709837 3.9347e-08  
a 2.764634785075363 7.9567e-09 au
q 2.335453359125838 1.0828e-07 au
i 9.207163796731647 4.5628e-06 deg
node 99.19941250446099 2.8631e-05 deg
peri 31.88240203824316 3.2331e-05 deg
M 219.2348399990991 1.563e-05 deg
tp 2459657.019691163912
(2022-Mar-18.51969116)
7.3892e-05 TDB
period 1679.016944373846
4.60
7.2484e-06
1.985e-08
d
yr
n .214411177448989 9.2562e-10 deg/d
Q 3.193816211024889 9.1919e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2388  
   data-arc span      46488 days (127.28 yr)  
   first obs. used      1893-01-16  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43871  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:04:06  

Additional Information
 Earth MOID = 1.35613 au 
 Jupiter MOID = 1.89437 au 
 T_jup = 3.304 
[ 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 9.0   n/a MPO492753 IRAS observations used: 10
diameter diameter 39.720 km 0.437 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 13.29 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Denchev, P. (1999) Abstracts of ACM 1999, 117.]
[Denchev, P. (2000) Planet. Space Sci. 48, 987-992.]
[Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.]
[Behrend, R. (2018) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.286   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.835   0.028 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=6.60, mean=11.90, max.=17.21) deg.
U-B UB 0.410   0.030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=6.60, mean=11.90, max.=17.21) deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

351 Yrsa (A892 YA)          Discovered 1892-Dec-16 by Wolf, M. 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
1913-Nov-16 15:33 00:01 Jupiter 1.97499646184148 1.97499593996793 1.97499698371525 2.91248696619443 2.76131028169916 2420088.147724940 1.21555871852752 86.3869660340917 19.3303825434488 -86.4320909265535 2753713.67233327 T 41 CATAB v2.0f-lin.ifort 2020-May-20 01:04:16 2020-May-20 01:04
1974-Feb-08 03:00 < 00:01 Jupiter 1.89658650162987 1.8965861161087 1.89658688715115 2.38991450093391 2.19510454347228 2442086.624953608 0.500880688547376 59.8517473124495 13.2881162911013 74.8081323534754 2530107.45089187 T 41 CATAB v2.0f-lin.ifort 2020-May-20 01:04:16 2020-May-20 01:04
2034-May-16 16:14 < 00:01 Jupiter 1.99699537439342 1.99699493869041 1.99699581009644 2.45391224249283 2.27450838000621 2464099.176173811 0.367857767139123 53.2138064200207 6.88080642760771 77.0363413047168 2857691.75187766 T 41 CATAB v2.0f-lin.ifort 2020-May-20 01:04:16 2020-May-20 01:04
2056-Sep-28 00:09 < 00:01 Jupiter 1.91653636650238 1.91653597428314 1.9165367587215 2.58740683180239 2.4105527252028 2472269.505910183 0.608118118549716 61.9039391403959 14.4630256217294 82.0083369830403 2530589.15577273 T 41 CATAB v2.0f-lin.ifort 2020-May-20 01:04:16 2020-May-20 01:04
2116-Dec-30 15:48 00:01 Jupiter 1.93056850494793 1.93056804531282 1.93056896458381 2.22807933709944 2.02159651429205 2494277.158475301 1.40622266070705 109.000200651254 13.0621970396786 80.6162978084158 2650882.37791986 T 41 CATAB v2.0f-lin.ifort 2020-May-20 01:04:16 2020-May-20 01:04
2139-May-22 20:43 00:02 Jupiter 1.96863195260808 1.96863123455196 1.96863267066475 2.83995183571062 2.68417725090865 2502455.362853772 1.61594960840693 100.709643159043 21.4894409965188 -82.9449940928193 2534810.47968795 T 41 CATAB v2.0f-lin.ifort 2020-May-20 01:04:16 2020-May-20 01:04
2199-Aug-18 03:09 00:02 Jupiter 1.89368890953552 1.89368852626095 1.8936892928103 2.24057157704302 2.03115408144678 2524457.631284175 2.44631306653693 177.324927914293 17.5919953055967 81.2892907608868 2450589.75569653 T 41 CATAB v2.0f-lin.ifort 2020-May-20 01:04:16 2020-May-20 01:04

Alternate Designations
 A892 YA = 1927 OB = 1950 PD1 = 1959 LN 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jun-01 16:17 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin