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2704 Julian Loewe (1979 MR4)
Classification: Main-belt Asteroid          SPK-ID: 2002704
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09658574897771041 1.2523e-08  
a 2.384578779552097 6.539e-09 au
q 2.154262452132703 3.1217e-08 au
i 4.516262251907256 6.4428e-07 deg
node 207.2585514210407 7.4998e-06 deg
peri 253.6563097943464 1.3381e-05 deg
M 341.9103855656985 1.297e-05 deg
tp 2459464.083822049671
(2021-Sep-06.58382205)
4.8556e-05 TDB
period 1344.980349152534
3.68
5.5323e-06
1.515e-08
d
yr
n .2676619031845591 1.101e-09 deg/d
Q 2.614895106971491 7.1706e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2698  
   data-arc span      25238 days (69.10 yr)  
   first obs. used      1952-01-31  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44824  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 13:45:13  

Additional Information
 Earth MOID = 1.17646 au 
 Jupiter MOID = 2.5081 au 
 T_jup = 3.525 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457430.5 (2016-Feb-12.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09641997353371651 1.2328e-08  
q 2.154772702324113 3.0727e-08 au
tp 2456769.681153040924
(2014-Apr-22.18115304)
4.5958e-05 TDB
node 207.3625909738824 7.4892e-06 deg
peri 252.612355924271 1.3448e-05 deg
i 4.518605759923124 6.4428e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2698  
   data-arc span      25238 days (69.10 yr)  
   first obs. used      1952-01-31  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44824  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 13:45:13  

Additional Information
 Jupiter MOID = 2.5081 au 
 T_jup = 3.525 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.519812665736622E-16 -3.717454418329137E-16 3.191966760168958E-13 -1.158437789096509E-14 8.047409093301218E-14 1.629080343178192E-15
q -3.717454418329137E-16 9.441347030445128E-16 -7.207794230837174E-13 2.742357429489224E-14 -1.780891462649353E-13 -3.808863742486686E-15
tp 3.191966760168958E-13 -7.207794230837174E-13 2.112136707070882E-9 -2.294818447379616E-12 5.155568908715088E-10 4.872725095426659E-12
node -1.158437789096509E-14 2.742357429489224E-14 -2.294818447379616E-12 5.608839648146856E-11 -5.540056591596551E-11 -3.844575887386699E-12
peri 8.047409093301218E-14 -1.780891462649353E-13 5.155568908715088E-10 -5.540056591596551E-11 1.808515739391361E-10 4.887313841853188E-12
i 1.629080343178192E-15 -3.808863742486686E-15 4.872725095426659E-12 -3.844575887386699E-12 4.887313841853188E-12 4.151030702558777E-13

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.82   n/a MPCxxxxx  
diameter diameter 5.199 km 0.291 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 2.6382 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Oszkiewicz, D.; Skiff, B.A.; Moskovitz, N.; Kaniewicz, P.; et al. (2017) Astron. Astrophys. 599, A107.]
geometric albedo albedo 0.596   0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
SMASSII spectral type spec_B V   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)

2704 Julian Loewe (1979 MR4)          Discovered 1979-Jun-25 by Helin, E. F. and Bus, S. J. at Siding Spring
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1979 MR4 = 1956 GK = 1978 ER2 = 1978 GF1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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