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JPL Small-Body Database Browser
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676 Melitta (A909 BO)
Classification: Main-belt Asteroid          SPK-ID: 2000676
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1215454413982479 4.1057e-08  
a 3.062656544077096 1.3814e-08 au
q 2.690404602576013 1.2728e-07 au
i 12.83886420469262 4.5375e-06 deg
node 150.2511350139193 1.7625e-05 deg
peri 184.5386619960152 2.4054e-05 deg
M 33.35235378938517 1.7147e-05 deg
tp 2458419.128159679827
(2018-Oct-27.62815968)
9.3122e-05 TDB
period 1957.698785746355
5.36
1.3245e-05
3.626e-08
d
yr
n .1838893718589876 1.2441e-09 deg/d
Q 3.434908485578179 1.5493e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2572  
   data-arc span      40392 days (110.59 yr)  
   first obs. used      1909-01-17  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4417  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:10:58  

Additional Information
 Earth MOID = 1.67959 au 
 Jupiter MOID = 1.94393 au 
 T_jup = 3.184 
[ 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 9.5   n/a MPO452166  
diameter diameter 78.369 km 0.436 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 16.743 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Ferrero, A. (2013) Minor Planet Bull. 40, 31-32.]
[Benishek, V. (2018) Minor Planet Bull. 45, 82-91.]
[Pilcher, F. (2019) Minor Planet Bull. 46, 58-60.]
geometric albedo albedo 0.049   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
Tholen spectral type spec_T XC   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a medium resolution spectrum published by Chapman and Gaffey (1979)

676 Melitta (A909 BO)          Discovered 1909-Jan-16 by Melotte, P. at Greenwich
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
1909-Mar-13 03:08 00:02 Jupiter 1.98405047226818 1.98404986852339 1.98405107601691 3.83912492200184 3.72626469072782 2418378.630531066 1.97283921664694 179.638578824469 16.2798636470915 -82.400468439482 3612090.46829003 T 36 CATAB v2.0f-lin.ifort 2019-Sep-23 19:11:10 2019-Sep-23 19:11
1967-Sep-16 07:02 < 00:01 Jupiter 1.92976588817717 1.9297654908821 1.92976628547224 3.67530835621315 3.55387696594294 2439749.792833009 0.851576078900591 82.259384198316 17.9089361864942 -89.2546305077459 3363115.42791666 T 36 CATAB v2.0f-lin.ifort 2019-Sep-23 19:11:10 2019-Sep-23 19:11
2026-Mar-10 09:56 < 00:01 Jupiter 1.98774418528933 1.98774374485278 1.98774462572588 3.41055053171091 3.28323162983913 2461109.913561938 0.407170580091054 63.8586490305272 20.0020880469123 88.9840090557297 3457507.16526516 T 36 CATAB v2.0f-lin.ifort 2019-Sep-23 19:11:10 2019-Sep-23 19:11
2074-Dec-26 13:03 00:01 Jupiter 1.94939977434227 1.94939932425802 1.9494002244274 3.79213534389375 3.67576957068169 2478933.043442664 1.27794299209497 124.210766579864 16.5913882061183 -84.3695281236613 3468995.02060055 T 36 CATAB v2.0f-lin.ifort 2019-Sep-23 19:11:10 2019-Sep-23 19:11
2133-Jun-30 02:11 00:02 Jupiter 1.93863924126655 1.93863875853456 1.9386397240003 3.6539797119796 3.53238385825675 2500302.591154210 2.48576908448425 181.348900246238 19.2423199220766 85.3188454844674 3343245.60725549 T 36 CATAB v2.0f-lin.ifort 2019-Sep-23 19:11:10 2019-Sep-23 19:11

Alternate Designations
 A909 BO = A910 JD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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