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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 118 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1676141858974271 3.1206e-08  
a 3.127991315882682 1.0228e-08 au
q 2.603695597976785 9.7308e-08 au
i 2.236623845641703 3.5353e-06 deg
node 125.1244231815619 9.7796e-05 deg
peri 277.2588934342517 9.8395e-05 deg
M 345.7520620186614 1.0866e-05 deg
tp 2459280.473527080032
(2021-Mar-06.97352708)		 6.0973e-05 TDB
period 2020.676240065048
5.53		 9.9106e-06
2.713e-08		 d
yr
n .1781581793570311 8.738e-10 deg/d
Q 3.65228703378858 1.1942e-08 au
   Orbit Determination Parameters
   # obs. used (total)      3688  
   data-arc span      41997 days (114.98 yr)  
   first obs. used      1906-01-24  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46171  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:43:04  

Additional Information
 Earth MOID = 1.61258 au 
 Jupiter MOID = 1.75784 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 8.81   n/a E2021B10 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. 2020-October); 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

[ 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
1936-Apr-06 06:43 00:01 Jupiter 1.79616023480902 1.79615990274133 1.7961605668766 1.98966128303706 1.73654944254099 2428264.780149285 1.08912655609486 45.5657712559126 11.9904008435172 -88.668691126244 2904172.86877275 T 118 CATAB v2.0f-lin.ifort 2021-Feb-24 00:43:14 2021-Feb-24 00:43
1946-Jun-19 18:39 < 00:01 Jupiter 1.80375284256623 1.80375246948735 1.80375321564501 1.79673027693512 1.51296452814215 2431991.276858134 0.907505875546677 70.6728472162841 19.0919907760596 -79.1601373104045 3030503.55887848 T 118 CATAB v2.0f-lin.ifort 2021-Feb-24 00:43:14 2021-Feb-24 00:43
2008-Jul-18 08:26 < 00:01 Jupiter 1.92797772888018 1.92797738978386 1.92797806797638 2.89158642400956 2.73543558426489 2454665.851500262 0.190135218327655 36.2571642895458 9.93572925079965 -89.8621100074888 3873506.53846292 T 118 CATAB v2.0f-lin.ifort 2021-Feb-24 00:43:14 2021-Feb-24 00:43
2018-Sep-28 02:43 < 00:01 Jupiter 1.74756411987208 1.74756382857011 1.74756441117384 1.70359703883215 1.39027617210209 2458389.613286239 0.225558449737444 57.980890705966 29.0423236167197 -84.3176217427198 3115670.065182 T 118 CATAB v2.0f-lin.ifort 2021-Feb-24 00:43:14 2021-Feb-24 00:43
2028-Dec-13 11:24 < 00:01 Jupiter 1.89342170624207 1.8934213202424 1.89342209224163 2.13215753293797 1.91086247856357 2462118.974690392 0.34633275183458 44.4554459124609 4.92992951546833 -87.9857435616057 3187493.72804352 T 118 CATAB v2.0f-lin.ifort 2021-Feb-24 00:43:14 2021-Feb-24 00:43
2091-Jan-09 18:20 00:01 Jupiter 1.82008649113773 1.82008603359645 1.82008694867881 2.23429089316673 2.01526823364081 2484791.264231130 1.1795461050726 43.9260304833114 6.15131422369968 -86.9816111807182 2166290.0399729 T 118 CATAB v2.0f-lin.ifort 2021-Feb-24 00:43:14 2021-Feb-24 00:43
2101-Mar-22 19:02 00:01 Jupiter 1.76211347357067 1.76211310645411 1.76211384068723 1.68179007420807 1.36639917953536 2488515.293136233 1.33078445915727 81.9534155916287 31.1736832123386 -82.4766280723485 2997573.1206893 T 118 CATAB v2.0f-lin.ifort 2021-Feb-24 00:43:14 2021-Feb-24 00:43
2163-Apr-23 10:24 00:02 Jupiter 1.98727085204769 1.98726998241944 1.9872717216765 3.3640426729946 3.23486245792061 2511191.933396311 2.14867323168708 77.9995324145292 15.7047947886519 71.8020956905782 2591905.00208639 T 118 CATAB v2.0f-lin.ifort 2021-Feb-24 00:43:14 2021-Feb-24 00:43
2173-Jul-03 10:03 00:02 Jupiter 1.75249194996678 1.75249152455709 1.75249237537606 1.82018048645279 1.53179886140688 2514915.918680066 2.37484954867683 52.0337371593518 42.1921476428528 84.2563234698054 1780348.01065209 T 118 CATAB v2.0f-lin.ifort 2021-Feb-24 00:43:14 2021-Feb-24 00:43
2183-Sep-15 01:46 00:03 Jupiter 1.83813913841711 1.83813831551755 1.83813996131875 1.91866149393414 1.66122040167793 2518641.573721495 2.50935091682853 140.303736955555 11.5686591378765 -85.0457292201863 2950738.52456292 T 118 CATAB v2.0f-lin.ifort 2021-Feb-24 00:43:14 2021-Feb-24 00:43

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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