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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2034755993589519 2.9788e-08  
a 2.330495583110976 6.9327e-09 au
q 1.85629659753408 6.9418e-08 au
i 3.289524816197994 3.7045e-06 deg
node 113.4142671694968 5.4499e-05 deg
peri 236.5502662105673 5.5186e-05 deg
M 153.00611962912 9.6665e-06 deg
tp 2458448.197316249368
(2018-Nov-25.69731625)
3.3992e-05 TDB
period 1299.483750272081
3.56
5.7985e-06
1.588e-08
d
yr
n .2770330909675666 1.2362e-09 deg/d
Q 2.804694568687872 8.3433e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2234  
   data-arc span      24015 days (65.75 yr)  
   first obs. used      1954-07-29  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49971  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:44:04  

Additional Information
 Earth MOID = .852521 au 
 Jupiter MOID = 2.62271 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 14.1   n/a MPO347541  
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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