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JPL Small-Body Database Browser
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2724 Orlov (1978 RZ5)
Classification: Main-belt Asteroid          SPK-ID: 2002724
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1200083870302623 4.1403e-08  
a 2.926195781232566 1.6825e-08 au
q 2.575027745392087 1.1851e-07 au
i 3.980850087214511 5.1811e-06 deg
node 153.6522766687202 7.2672e-05 deg
peri 143.920806694825 7.7259e-05 deg
M 107.3473463110894 2.7843e-05 deg
tp 2458055.316995432333
(2017-Oct-28.81699543)
0.00014127 TDB
period 1828.325416406546
5.01
1.5769e-05
4.317e-08
d
yr
n .1969014907135932 1.6982e-09 deg/d
Q 3.277363817073045 1.8844e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2305  
   data-arc span      25987 days (71.15 yr)  
   first obs. used      1948-10-10  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43109  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:19:31  

Additional Information
 Earth MOID = 1.5599 au 
 Jupiter MOID = 1.92175 au 
 T_jup = 3.264 
[ 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 11.5   n/a MPO319117  
diameter diameter 20.730 km 0.179 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.086   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
SMASSII spectral type spec_B K   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)

2724 Orlov (1978 RZ5)          Discovered 1978-Sep-13 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1978 RZ5 = 1948 TF1 = 1956 EF = 1972 LB = 1974 YQ = 1976 GO 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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