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70706 (1999 UM41)
Classification: Main-belt Asteroid          SPK-ID: 2070706
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02530740923653714 4.1928e-08  
a 2.66601668532926 1.6181e-08 au
q 2.598546710042196 1.0625e-07 au
i 3.898484023343316 4.8645e-06 deg
node 351.7509232227246 5.9276e-05 deg
peri 126.0287854845733 0.00013047 deg
M 179.0490607092276 0.00011933 deg
tp 2458209.707998738935
(2018-Apr-01.20799874)
0.00052305 TDB
period 1589.983881101209
4.35
1.4475e-05
3.963e-08
d
yr
n .2264173896848987 2.0613e-09 deg/d
Q 2.733486660616323 1.6591e-08 au
  Orbit Determination Parameters
   # obs. used (total)      568  
   data-arc span      18023 days (49.34 yr)  
   first obs. used      1971-03-26  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54969  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 06:29:13  

Additional Information
 Earth MOID = 1.61647 au 
 Jupiter MOID = 2.26603 au 
 T_jup = 3.380 
[ 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 15.7   n/a MPO293824  
diameter diameter 4.111 km 0.288 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70706 (1999 UM41)          Discovered 1999-Oct-18 by Spacewatch at Kitt Peak
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 UM41 = 1997 ER3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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