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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2036636336880033 8.9156e-09  
a 2.330137034553595 6.6293e-09 au
q 1.855572859105421 1.9687e-08 au
i 3.289526847723589 7.4842e-07 deg
node 113.4139525638134 1.1512e-05 deg
peri 236.5616297906487 1.2592e-05 deg
M 208.4026010890575 5.9345e-06 deg
tp 2459747.591376920784
(2022-Jun-17.09137692)
2.2646e-05 TDB
period 1299.183871928991
3.56
5.5443e-06
1.518e-08
d
yr
n .2770970358995315 1.1825e-09 deg/d
Q 2.804701210001769 7.9795e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2329  
   data-arc span      24344 days (66.65 yr)  
   first obs. used      1954-07-29  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50016  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 20:28:19  

Additional Information
 Earth MOID = .850041 au 
 Jupiter MOID = 2.62334 au 
 T_jup = 3.541 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457098.5 (2015-Mar-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2044938226356482 8.9535e-09  
q 1.853641026792492 1.9786e-08 au
tp 2457147.307827637417
(2015-May-04.80782764)
1.8521e-05 TDB
node 113.4972968402684 1.15e-05 deg
peri 236.1796362033384 1.2564e-05 deg
i 3.289879085055282 7.4819e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2329  
   data-arc span      24344 days (66.65 yr)  
   first obs. used      1954-07-29  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50016  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 20:28:19  

Additional Information
 Jupiter MOID = 2.62334 au 
 T_jup = 3.541 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.016599748204313E-17 -1.715016674179586E-16 4.963357863726487E-14 -2.689303295415E-14 3.513756188590656E-14 9.647342408837508E-16
q -1.715016674179586E-16 3.914666632990592E-16 -1.058961972724186E-13 6.264086263934774E-14 -7.921650028607241E-14 -2.301186280212663E-15
tp 4.963357863726487E-14 -1.058961972724186E-13 3.43043329091997E-10 4.617509965469357E-12 9.724406627304128E-11 -1.715981181824726E-12
node -2.689303295415E-14 6.264086263934774E-14 4.617509965469357E-12 1.322390873214133E-10 -1.294723890025831E-10 -7.17865104709101E-12
peri 3.513756188590656E-14 -7.921650028607241E-14 9.724406627304128E-11 -1.294723890025831E-10 1.578464359039781E-10 6.657874264777338E-12
i 9.647342408837508E-16 -2.301186280212663E-15 -1.715981181824726E-12 -7.17865104709101E-12 6.657874264777338E-12 5.597854510481319E-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 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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