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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 ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1552398277215041 3.9266e-08  
a 2.764634785237869 7.9433e-09 au
q 2.335453357464664 1.0808e-07 au
i 9.207163829049456 4.5441e-06 deg
node 99.19941227500915 2.8588e-05 deg
peri 31.88240189045234 3.2268e-05 deg
M 219.2348402260331 1.5608e-05 deg
tp 2459657.019690163391
(2022-Mar-18.51969016)
7.3799e-05 TDB
period 1679.016944521885
4.60
7.2361e-06
1.981e-08
d
yr
n .2144111774300844 9.2406e-10 deg/d
Q 3.193816213011073 9.1764e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2428  
   data-arc span      46537 days (127.41 yr)  
   first obs. used      1893-01-16  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43748  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:12:33  

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

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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 1.97499646082349 1.97499593908702 1.97499698256018 2.91248696185116 2.76131027703805 2420088.147722171 1.21425450826524 86.2777900600794 19.3200261720575 -86.4181995596833 2763349.62678983 T 42 CATAB v2.0f-lin.ifort 2020-Jun-23 15:12:45 2020-Jun-23 15:12
1974-Feb-08 03:00 < 00:01 Jupiter 1.89658650139294 1.89658611655172 1.89658688623427 2.38991448291578 2.19510452382968 2442086.624956337 0.500763710492429 59.7330380580396 13.2792590048308 74.7778324312123 2532136.93126655 T 42 CATAB v2.0f-lin.ifort 2020-Jun-23 15:12:45 2020-Jun-23 15:12
2034-May-16 16:14 < 00:01 Jupiter 1.99699537780247 1.9969949435629 1.99699581204215 2.45391227790131 2.2745084185259 2464099.176180506 0.36572817133351 52.934424029204 6.87068501817757 77.0594272540397 2861814.17797025 T 42 CATAB v2.0f-lin.ifort 2020-Jun-23 15:12:45 2020-Jun-23 15:12
2056-Sep-28 00:09 < 00:01 Jupiter 1.9165363641751 1.9165359734949 1.9165367548552 2.58740680309674 2.41055269416849 2472269.505916314 0.60576487091544 61.7468101332674 14.4212073935207 81.9383638000315 2538289.86096242 T 42 CATAB v2.0f-lin.ifort 2020-Jun-23 15:12:45 2020-Jun-23 15:12
2116-Dec-30 15:48 00:01 Jupiter 1.93056850821562 1.93056804978436 1.93056896664765 2.22807934003522 2.02159651789504 2494277.158486590 1.40234963557722 108.629373785314 13.0395169384978 80.6235997276846 2651084.07843314 T 42 CATAB v2.0f-lin.ifort 2020-Jun-23 15:12:45 2020-Jun-23 15:12
2139-May-22 20:43 00:02 Jupiter 1.96863194597425 1.96863123152972 1.96863266041934 2.83995185222831 2.68417726784478 2502455.362856088 1.6118574720416 100.534617379172 21.4312138229412 -82.9961288783252 2547130.4875766 T 42 CATAB v2.0f-lin.ifort 2020-Jun-23 15:12:45 2020-Jun-23 15:12
2199-Aug-18 03:09 00:02 Jupiter 1.89368891011335 1.89368852748755 1.89368929273936 2.24057154557523 2.03115404680176 2524457.631299498 2.44062488343668 176.867301259145 17.5892320206135 81.2894181431687 2452472.03758408 T 42 CATAB v2.0f-lin.ifort 2020-Jun-23 15:12:45 2020-Jun-23 15:12

Alternate Designations
 A892 YA = 1927 OB = 1950 PD1 = 1959 LN 
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