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37686 (1995 OR3)
Classification: Main-belt Asteroid          SPK-ID: 2037686
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1321669051667979 3.7875e-08  
a 2.786912955339433 1.6112e-08 au
q 2.418575295062966 1.0939e-07 au
i 14.97791138403657 4.497e-06 deg
node 146.3735482289079 1.7257e-05 deg
peri 314.9630649705872 2.7236e-05 deg
M 358.1795779424671 1.9195e-05 deg
tp 2459009.093164425582
(2020-Jun-08.59316443)
9.0615e-05 TDB
period 1699.352729993867
4.65
1.4737e-05
4.035e-08
d
yr
n .2118453653829122 1.8371e-09 deg/d
Q 3.155250615615901 1.8241e-08 au
  Orbit Determination Parameters
   # obs. used (total)      612  
   data-arc span      8958 days (24.53 yr)  
   first obs. used      1995-07-22  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57053  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 04:36:25  

Additional Information
 Earth MOID = 1.45761 au 
 Jupiter MOID = 1.99837 au 
 T_jup = 3.269 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457369.5 (2015-Dec-13.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1304803665643247 3.8113e-08  
q 2.423297285934772 1.099e-07 au
tp 2457312.329210133555
(2015-Oct-16.82921013)
9.1391e-05 TDB
node 146.4435730029152 1.7233e-05 deg
peri 315.4533689554301 2.7407e-05 deg
i 14.98641292210389 4.4999e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      612  
   data-arc span      8958 days (24.53 yr)  
   first obs. used      1995-07-22  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57053  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 04:36:25  

Additional Information
 Jupiter MOID = 1.99837 au 
 T_jup = 3.269 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.452580290588233E-15 -4.155837769904404E-15 4.306598824177452E-13 -1.886302599714719E-15 1.282775947869648E-13 -1.870814566042069E-15
q -4.155837769904404E-15 1.207788996118851E-14 -1.278030040082664E-12 5.169158507959603E-15 -3.768792197940979E-13 6.118686157242779E-15
tp 4.306598824177452E-13 -1.278030040082664E-12 8.352404176607239E-9 -2.040026918140954E-11 1.968608072363928E-9 7.574546610999449E-12
node -1.886302599714719E-15 5.169158507959603E-15 -2.040026918140954E-11 2.969784545767429E-10 -2.91352192783188E-10 7.115838991879758E-12
peri 1.282775947869648E-13 -3.768792197940979E-13 1.968608072363928E-9 -2.91352192783188E-10 7.511384850778017E-10 -5.159909095960597E-12
i -1.870814566042069E-15 6.118686157242779E-15 7.574546610999449E-12 7.115838991879758E-12 -5.159909095960597E-12 2.024867712407042E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO417075  

37686 (1995 OR3)          Discovered 1995-Jul-22 by Spacewatch at Kitt Peak
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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