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70216 (1999 RH42)
Classification: Main-belt Asteroid          SPK-ID: 2070216
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07683192019294836 4.1802e-08  
a 3.004314277996115 1.7488e-08 au
q 2.773487043154582 1.3139e-07 au
i 9.58529293519134 4.1271e-06 deg
node 3.461536580890825 2.2321e-05 deg
peri 114.5980213490647 4.5003e-05 deg
M 357.9897554488878 3.466e-05 deg
tp 2459211.120937724417
(2020-Dec-27.62093772)
0.00018309 TDB
period 1902.026088653973
5.21
1.6608e-05
4.547e-08
d
yr
n .1892718518150112 1.6526e-09 deg/d
Q 3.235141512837648 1.8832e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1441  
   data-arc span      8196 days (22.44 yr)  
   first obs. used      1998-10-11  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46546  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:10:37  

Additional Information
 Earth MOID = 1.80572 au 
 Jupiter MOID = 1.83093 au 
 T_jup = 3.226 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457595.5 (2016-Jul-26.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0758947697806356 4.2988e-08  
q 2.778196639619089 1.3583e-07 au
tp 2457318.270576919973
(2015-Oct-22.77057692)
0.00018925 TDB
node 3.501191159199319 2.2289e-05 deg
peri 116.2582608128501 4.4785e-05 deg
i 9.591525525849441 4.1296e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1441  
   data-arc span      8196 days (22.44 yr)  
   first obs. used      1998-10-11  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46546  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:10:37  

Additional Information
 Jupiter MOID = 1.83093 au 
 T_jup = 3.226 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.847948091011931E-15 -5.800090790789272E-15 4.289815018032156E-12 -1.64532355864288E-14 9.061167099727138E-13 -5.244488855503254E-15
q -5.800090790789272E-15 1.845003045094157E-14 -1.439680754093603E-11 5.281057679709122E-14 -3.024597175323472E-12 1.686131363266093E-14
tp 4.289815018032156E-12 -1.439680754093603E-11 3.581565927637854E-8 -7.27283055703028E-11 7.365896859123889E-9 -1.267903310391497E-11
node -1.64532355864288E-14 5.281057679709122E-14 -7.27283055703028E-11 4.968063607478119E-10 -5.045928757369835E-10 -1.856821774225006E-11
peri 9.061167099727138E-13 -3.024597175323472E-12 7.365896859123889E-9 -5.045928757369835E-10 2.005663716873482E-9 1.57428815106625E-11
i -5.244488855503254E-15 1.686131363266093E-14 -1.267903310391497E-11 -1.856821774225006E-11 1.57428815106625E-11 1.705333854424503E-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 14.01   n/a MPCxxxxx  
diameter diameter 7.055 km 0.164 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.129   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70216 (1999 RH42)          Discovered 1999-Sep-14 by Kusnirak, P., Pravec, P. at Ondrejov
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RH42 = 1998 TR31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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