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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2034755994186393 2.9788e-08  
a 2.330495583115599 6.9314e-09 au
q 1.856296597398662 6.9415e-08 au
i 3.289524798132233 3.703e-06 deg
node 113.4142674406339 5.4477e-05 deg
peri 236.5502660170268 5.5163e-05 deg
M 153.0061195750229 9.6652e-06 deg
tp 2458448.197316442998
(2018-Nov-25.69731644)		 3.3987e-05 TDB
period 1299.483750275948
3.56		 5.7975e-06
1.587e-08		 d
yr
n .2770330909667423 1.2359e-09 deg/d
Q 2.804694568832537 8.3418e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2238  
   data-arc span      24056 days (65.86 yr)  
   first obs. used      1954-07-29  
   last obs. used      2020-06-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49942  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:06:41  

Additional Information
 Earth MOID = .852521 au 
 Jupiter MOID = 2.62271 au 
 T_jup = 3.541 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456943.5 (2014-Oct-13.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2045205273872858 2.9941e-08  
q 1.853556402334594 6.9872e-08 au
tp 2457147.341096968335
(2015-May-04.84109697)		 3.2065e-05 TDB
node 113.4974436548441 5.4475e-05 deg
peri 236.1954111255598 5.5146e-05 deg
i 3.28991269972148 3.7041e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      2238  
   data-arc span      24056 days (65.86 yr)  
   first obs. used      1954-07-29  
   last obs. used      2020-06-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49942  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:06:41  

Additional Information
 Jupiter MOID = 2.62271 au 
 T_jup = 3.541 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.964394588897034E-16 -2.085546664741525E-15 -1.640791152891047E-13 1.264686911075688E-15 -5.415778645747881E-14 1.596239699768772E-16
q -2.085546664741525E-15 4.882105244401275E-15 4.155060619142263E-13 -3.60409698565322E-15 1.333981793875923E-13 -3.564740103276599E-16
tp -1.640791152891047E-13 4.155060619142263E-13 1.028132834881917E-9 -5.393539988094667E-12 2.830968071951632E-10 9.123702352138446E-14
node 1.264686911075688E-15 -3.60409698565322E-15 -5.393539988094667E-12 2.967525866325045E-9 -2.963583695483373E-9 9.532202265111152E-12
peri -5.415778645747881E-14 1.333981793875923E-13 2.830968071951632E-10 -2.963583695483373E-9 3.041075823136704E-9 -9.503295586213753E-12
i 1.596239699768772E-16 -3.564740103276599E-16 9.123702352138446E-14 9.532202265111152E-12 -9.503295586213753E-12 1.372060149315855E-11

[ 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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