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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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 
[ 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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