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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1552398273381004 3.935e-08  
a 2.764634785163026 7.9574e-09 au
q 2.335453358461412 1.0829e-07 au
i 9.207163773795266 4.5638e-06 deg
node 99.19941313472165 2.8634e-05 deg
peri 31.88240110674148 3.2335e-05 deg
M 219.2348402108481 1.5631e-05 deg
tp 2459657.019690207553
(2022-Mar-18.51969021)
7.3898e-05 TDB
period 1679.016944453705
4.60
7.249e-06
1.985e-08
d
yr
n .214411177438791 9.257e-10 deg/d
Q 3.19381621186464 9.1927e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2385  
   data-arc span      46322 days (126.82 yr)  
   first obs. used      1893-01-16  
   last obs. used      2019-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43883  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:25:06  

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 1.97499645976806 1.97499593788677 1.97499698164946 2.91248695070745 2.76131026520124 2420088.147726610 1.21562247840442 86.3926699845796 19.3308760025413 -86.4327897285981 2753214.48404784 T 40 CATAB v2.0f-lin.ifort 2020-Feb-22 15:25:19 2020-Feb-22 15:25
1974-Feb-08 03:00 < 00:01 Jupiter 1.89658650033792 1.8965861147829 1.89658688589316 2.38991450516615 2.19510454794154 2442086.624954349 0.5008853257066 59.8589123811351 13.2884500837151 74.8095973040179 2530033.89089843 T 40 CATAB v2.0f-lin.ifort 2020-Feb-22 15:25:19 2020-Feb-22 15:25
2034-May-16 16:14 < 00:01 Jupiter 1.99699537577276 1.99699493998064 1.99699581156489 2.45391226710499 2.27450840668848 2464099.176177049 0.3679737972824 53.2294105022288 6.88126450795515 77.0350302727279 2857392.19937823 T 40 CATAB v2.0f-lin.ifort 2020-Feb-22 15:25:19 2020-Feb-22 15:25
2056-Sep-28 00:09 < 00:01 Jupiter 1.91653636388181 1.91653597158653 1.91653675617709 2.5874068381506 2.41055273176607 2472269.505911294 0.608245667234718 61.9135389990987 14.4650857422265 82.0120421903429 2530225.13270316 T 40 CATAB v2.0f-lin.ifort 2020-Feb-22 15:25:19 2020-Feb-22 15:25
2116-Dec-30 15:48 00:01 Jupiter 1.9305685060787 1.93056804637039 1.93056896578778 2.22807935430313 2.02159653338003 2494277.158486630 1.40642692714544 109.020251026695 13.0636785663965 80.6158088862413 2650858.55346573 T 40 CATAB v2.0f-lin.ifort 2020-Feb-22 15:25:19 2020-Feb-22 15:25
2139-May-22 20:43 00:02 Jupiter 1.96863194718982 1.96863122894593 1.96863266543426 2.83995179884692 2.68417721146441 2502455.362862405 1.61616573408779 100.719502207114 21.4924617696766 -82.9423890598245 2534174.44739896 T 40 CATAB v2.0f-lin.ifort 2020-Feb-22 15:25:19 2020-Feb-22 15:25
2199-Aug-18 03:09 00:02 Jupiter 1.89368890855754 1.89368852524799 1.89368929186731 2.24057155584097 2.03115405794501 2524457.631297819 2.44661056033571 177.349457726944 17.5922716354076 81.2892367153797 2450519.64920477 T 40 CATAB v2.0f-lin.ifort 2020-Feb-22 15:25:19 2020-Feb-22 15:25

Alternate Designations
 A892 YA = 1927 OB = 1950 PD1 = 1959 LN 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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