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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 
[ show covariance matrix ]

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1914-Jul-05 16:10 00:03 Jupiter 1.91731497452732 1.91731406667699 1.91731588237763 3.30522108681252 3.16874355459236 2420319.173820162 2.63104320585182 54.6426870497855 43.2097609060667 50.8654049600452 2841594.03683118 T 34 CATAB v2.0g-lin.ifort 2021-May-04 07:10:44 2021-May-04 07:10
1951-Oct-01 23:56 00:02 Jupiter 1.91134363718124 1.91134303882636 1.91134423553613 4.08315706622582 3.97314240349991 2433921.497313681 1.61705200255514 95.5583247356667 26.7998800904765 86.9814554463378 3048768.46654185 T 34 CATAB v2.0g-lin.ifort 2021-May-04 07:10:44 2021-May-04 07:10
1998-Feb-22 20:40 < 00:01 Jupiter 1.857188350332 1.85718783243408 1.85718886822992 3.64507260770934 3.51772633543804 2450867.361266398 0.471104358550953 71.8236860788438 21.2766342745371 85.3994921839414 2798028.6572497 T 34 CATAB v2.0g-lin.ifort 2021-May-04 07:10:44 2021-May-04 07:10
2081-Oct-09 10:18 00:02 Jupiter 1.85245836996112 1.85245772696158 1.85245901296129 3.88295434336314 3.76335616604143 2481411.928865374 1.69939803557883 129.353779916353 24.389779694485 84.3152841935061 2581633.01433044 T 34 CATAB v2.0g-lin.ifort 2021-May-04 07:10:44 2021-May-04 07:10
2128-Feb-28 16:57 00:03 Jupiter 1.89464163955749 1.89464083497318 1.8946424441418 3.43686401624161 3.30422608531173 2498354.206066906 2.98982380363528 61.6533426636583 41.9766923812398 68.9752830220805 2622627.66869992 T 34 CATAB v2.0g-lin.ifort 2021-May-04 07:10:44 2021-May-04 07:10
2165-May-25 17:51 00:04 Jupiter 1.92414981375614 1.92414834581331 1.92415128170084 4.02411654746322 3.91319585003737 2511955.243420460 3.81113887791716 140.982605843742 40.8583766208654 65.830557746202 2425389.82103533 T 34 CATAB v2.0g-lin.ifort 2021-May-04 07:10:44 2021-May-04 07:10

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