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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 117 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1676603994065164 3.1373e-08  
a 3.128634479825695 1.0548e-08 au
q 2.60408637334112 9.7615e-08 au
i 2.236568967618123 3.6063e-06 deg
node 125.1225559463086 9.7852e-05 deg
peri 277.176133936259 9.8464e-05 deg
M 310.1937753479815 1.1124e-05 deg
tp 2459280.148046638831
(2021-Mar-06.64804664)
6.2456e-05 TDB
period 2021.299496064076
5.53
1.0222e-05
2.799e-08
d
yr
n .1781032453137206 9.0072e-10 deg/d
Q 3.653182586310269 1.2317e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3531  
   data-arc span      41932 days (114.80 yr)  
   first obs. used      1906-01-24  
   last obs. used      2020-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47084  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:50:45  

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. 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 1.79616021922287 1.79615987639478 1.79616056205076 1.98966118974149 1.73654933329062 2428264.780126423 1.09923641957458 46.4195100685197 12.2937413173283 -88.706771792138 2815425.66821851 T 117 CATAB v2.0f-lin.ifort 2020-Dec-18 01:50:55 2020-Dec-18 01:50
1946-Jun-19 18:39 < 00:01 Jupiter 1.80375284574902 1.80375247246744 1.80375321903051 1.79673026624549 1.51296451599529 2431991.276843876 0.916367118722472 71.4057024476976 19.2069538058706 -79.407730653849 3020658.16512296 T 117 CATAB v2.0f-lin.ifort 2020-Dec-18 01:50:55 2020-Dec-18 01:50
2008-Jul-18 08:26 < 00:01 Jupiter 1.92797771951247 1.92797737679367 1.92797806223127 2.89158642543193 2.73543558498809 2454665.851505927 0.19032378068283 36.3153640558279 10.0365901409106 -89.8456650360453 3830791.89208924 T 117 CATAB v2.0f-lin.ifort 2020-Dec-18 01:50:55 2020-Dec-18 01:50
2018-Sep-28 02:43 < 00:01 Jupiter 1.74756411208391 1.74756381670773 1.7475644074599 1.70359699227938 1.39027611350423 2458389.613284643 0.226795057750572 59.1715477098585 29.2915383475472 -84.39730907397 3082262.03405459 T 117 CATAB v2.0f-lin.ifort 2020-Dec-18 01:50:55 2020-Dec-18 01:50
2028-Dec-13 11:24 < 00:01 Jupiter 1.89342170577147 1.89342131959884 1.893422091944 2.13215747944511 1.91086241881757 2462118.974703810 0.348988175899199 44.9084489088605 4.93968971668329 -88.0044203007697 3179468.05529625 T 117 CATAB v2.0f-lin.ifort 2020-Dec-18 01:50:55 2020-Dec-18 01:50
2091-Jan-09 18:21 00:01 Jupiter 1.82008648836541 1.82008603059268 1.82008694613792 2.23429094207354 2.01526828751116 2484791.264259028 1.19289221974675 44.3251751885618 6.21973380463601 -87.0384922955089 2163993.37210189 T 117 CATAB v2.0f-lin.ifort 2020-Dec-18 01:50:55 2020-Dec-18 01:50
2101-Mar-22 19:02 00:01 Jupiter 1.76211346513451 1.76211309343612 1.7621138368328 1.68179004829417 1.36639914595584 2488515.293150386 1.34491047965636 83.1067106342761 31.307800469929 -82.3337114377746 2974729.08637658 T 117 CATAB v2.0f-lin.ifort 2020-Dec-18 01:50:55 2020-Dec-18 01:50
2163-Apr-23 10:24 00:02 Jupiter 1.98727086073566 1.98726998832411 1.98727173314767 3.3640427609847 3.23486255000051 2511191.933431216 2.17355819654345 78.7713386060463 15.7741577576244 71.9556271211434 2586335.81777186 T 117 CATAB v2.0f-lin.ifort 2020-Dec-18 01:50:55 2020-Dec-18 01:50
2173-Jul-03 10:03 00:02 Jupiter 1.75249194675298 1.75249152104743 1.75249237245813 1.82018047619382 1.5317988486379 2514915.918712601 2.40042200944859 53.034027831728 42.2452247211014 84.4571462604341 1780148.79980145 T 117 CATAB v2.0f-lin.ifort 2020-Dec-18 01:50:55 2020-Dec-18 01:50
2183-Sep-15 01:46 00:03 Jupiter 1.83813912330108 1.83813829296619 1.83813995363805 1.91866147825182 1.66122038128418 2518641.573748057 2.53564323969911 141.713887261517 11.5985969893403 -85.0126180098175 2931275.66234307 T 117 CATAB v2.0f-lin.ifort 2020-Dec-18 01:50:55 2020-Dec-18 01:50

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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