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62 Erato (A860 RD)
Classification: Main-belt Asteroid          SPK-ID: 2000062
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 115 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .167660410335139 3.325e-08  
a 3.128634484992347 1.1815e-08 au
q 2.604086343449863 1.0213e-07 au
i 2.236571482995822 3.857e-06 deg
node 125.1225179079269 0.00010018 deg
peri 277.1761759924165 0.00010086 deg
M 310.1937689559663 1.2955e-05 deg
tp 2459280.148083220931
(2021-Mar-06.64808322)
7.3104e-05 TDB
period 2021.299501071061
5.53
1.1449e-05
3.135e-08
d
yr
n .178103244872539 1.0088e-09 deg/d
Q 3.65318262653483 1.3795e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3275  
   data-arc span      41830 days (114.52 yr)  
   first obs. used      1906-01-24  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48455  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:08:46  

Additional Information
 Earth MOID = 1.61392 au 
 Jupiter MOID = 1.75627 au 
 T_jup = 3.191 
[ 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 8.7   n/a MPO492748 IRAS observations used: 15
diameter diameter 106.921 km 0.658 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 9.2213 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Durkee, R.I. (2005) Minor Planet Bull. 32, 84.]
[Gonclaves, R.M.D.; Behrend, R. (2006) Minor Planet Bull. 33, 7.]
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
[Behrend, R. (2017) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2018) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.048   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.708   0.046 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=15.59, mean=16.44, max.=17.86) deg.
U-B UB 0.378   0.031 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=15.59, mean=16.44, max.=17.86) deg.
Tholen spectral type spec_T BU   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo
SMASSII spectral type spec_B Ch   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)

62 Erato (A860 RD)          Discovered 1860-Sep-14 by Lesser, O. and Forster, W. at Berlin
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
1936-Apr-06 06:43 00:01 Jupiter 1.79616014115764 1.79615971374818 1.79616056856689 1.98966077491257 1.73654884619549 2428264.780026204 1.18208314039958 49.1926407333178 14.898239193964 -88.9051141253101 2258952.38255585 T 115 CATAB v2.0f-lin.ifort 2020-Aug-24 22:09:16 2020-Aug-24 22:09
1946-Jun-19 18:39 < 00:01 Jupiter 1.8037528524148 1.80375247890621 1.80375322592329 1.79673020716714 1.51296444698343 2431991.276757239 0.989163971718572 76.9264105091918 20.3292900076733 -81.2236153553587 2931957.09247606 T 115 CATAB v2.0f-lin.ifort 2020-Aug-24 22:09:16 2020-Aug-24 22:09
2008-Jul-18 08:26 < 00:01 Jupiter 1.92797767698779 1.927977310601 1.92797804337458 2.89158630749393 2.73543545677519 2454665.851519587 0.193724693446799 36.4318771240321 10.6689775254452 -89.5176292356607 3565784.21561311 T 115 CATAB v2.0f-lin.ifort 2020-Aug-24 22:09:16 2020-Aug-24 22:09
2018-Sep-28 02:43 < 00:01 Jupiter 1.7475640671046 1.74756373142629 1.74756440278261 1.70359678560717 1.39027585128208 2458389.613307755 0.24072294046038 64.9140978741053 31.9563378337292 -84.1172368087613 2773713.07887662 T 115 CATAB v2.0f-lin.ifort 2020-Aug-24 22:09:16 2020-Aug-24 22:09
2028-Dec-13 11:24 < 00:01 Jupiter 1.89342169288004 1.89342130219864 1.89342208356133 2.13215743081472 1.9108623629614 2462118.974722119 0.374521986722193 48.1036582289484 5.0373783052563 -87.8496182899436 3111333.79349883 T 115 CATAB v2.0f-lin.ifort 2020-Aug-24 22:09:16 2020-Aug-24 22:09
2091-Jan-09 18:21 00:01 Jupiter 1.82008647960211 1.82008602049486 1.82008693870916 2.23429098487594 2.01526833385355 2484791.264380943 1.31150195021939 45.3306088335216 6.63364405244752 -86.9619617834575 2158091.90346867 T 115 CATAB v2.0f-lin.ifort 2020-Aug-24 22:09:16 2020-Aug-24 22:09
2101-Mar-22 19:02 00:01 Jupiter 1.76211340726661 1.76211298596965 1.76211382856356 1.6817897847885 1.36639881007523 2488515.293297047 1.4693989042495 91.5521826863052 32.9638060429004 -80.5094279727298 2744892.01948331 T 115 CATAB v2.0f-lin.ifort 2020-Aug-24 22:09:16 2020-Aug-24 22:09
2163-Apr-23 10:24 00:02 Jupiter 1.98727094163244 1.98727003869761 1.98727184456783 3.36404344826637 3.23486327009151 2511191.933668391 2.39037516142966 85.9149197331364 16.2580642317021 73.0176260417397 2538453.98535179 T 115 CATAB v2.0f-lin.ifort 2020-Aug-24 22:09:16 2020-Aug-24 22:09
2173-Jul-03 10:03 00:03 Jupiter 1.75249193575169 1.75249150698789 1.7524923645151 1.82018058826264 1.53179897982444 2514915.918968570 2.62331357207077 56.4653908462625 42.5863674075818 83.9089452484907 1779546.03379815 T 115 CATAB v2.0f-lin.ifort 2020-Aug-24 22:09:16 2020-Aug-24 22:09
2183-Sep-15 01:47 00:03 Jupiter 1.83813900702903 1.83813810092672 1.83813991313395 1.91866095812327 1.66121976300439 2518641.574015518 2.763937964558 153.703261609451 11.9881741020629 -84.5969559992697 2783309.92261212 T 115 CATAB v2.0f-lin.ifort 2020-Aug-24 22:09:16 2020-Aug-24 22:09

Alternate Designations
 A860 RD = 1935 FW = 1953 OS = 2002 JN104 = A906 BE = A907 GE = A910 VA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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