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2720 Pyotr Pervyj (1972 RV3)
Classification: Main-belt Asteroid          SPK-ID: 2002720
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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2038155638724387 8.6327e-09  
a 2.329826297697398 6.2308e-09 au
q 1.854971437107366 1.9389e-08 au
i 3.289535451500587 7.4383e-07 deg
node 113.4137416589137 1.1464e-05 deg
peri 236.5837491147832 1.2554e-05 deg
M 262.7038018906052 6.0459e-06 deg
tp 2459747.556574643769
(2022-Jun-17.05657464)
2.2616e-05 TDB
period 1298.924000397849
3.56
5.2107e-06
1.427e-08
d
yr
n .2771524738088873 1.1118e-09 deg/d
Q 2.804681158287428 7.5007e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2557  
   data-arc span      24439 days (66.91 yr)  
   first obs. used      1954-07-29  
   last obs. used      2021-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48666  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-07 21:55:22  

Additional Information
 Earth MOID = .850388 au 
 Jupiter MOID = 2.62354 au 
 T_jup = 3.541 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.20   n/a MPCxxxxx  
diameter diameter 8.933 km 0.107 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
SMASSII spectral type spec_B C   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)

2720 Pyotr Pervyj (1972 RV3)          Discovered 1972-Sep-06 by Zhuravleva, L. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1972 RV3 = 1965 UN1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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