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135721 (2002 PR77)
Classification: Main-belt Asteroid          SPK-ID: 2135721
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2267711086516975 4.554e-08  
a 2.572604630865786 1.4445e-08 au
q 1.989212226601861 1.23e-07 au
i 6.853134050199202 6.0912e-06 deg
node 75.21310981114544 2.8049e-05 deg
peri 219.8138724860729 3.1534e-05 deg
M 181.3861967353566 1.6715e-05 deg
tp 2459948.274265294176
(2023-Jan-03.77426529)
7.4819e-05 TDB
period 1507.15527347595
4.13
1.2694e-05
3.475e-08
d
yr
n .2388605914304586 2.0118e-09 deg/d
Q 3.155997035129711 1.7721e-08 au
  Orbit Determination Parameters
   # obs. used (total)      591  
   data-arc span      8177 days (22.39 yr)  
   first obs. used      1998-09-22  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53537  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:14:20  

Additional Information
 Earth MOID = .976884 au 
 Jupiter MOID = 2.06302 au 
 T_jup = 3.382 
[ 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 15.77   n/a MPCxxxxx  

135721 (2002 PR77)          Discovered 2002-Aug-11 by NEAT at Haleakala
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

Alternate Designations
 2002 PR77 = 1998 SL170 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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