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JPL Small-Body Database Browser
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27038 (1998 RZ57)
Classification:
Main-belt Asteroid
SPK-ID:
2027038
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference:
JPL 29
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.11645461382826
3.5828e-08
a
2.312325484997759
7.8105e-09
au
q
2.0430445135971
8.4784e-08
au
i
6.308439806014832
5.0155e-06
deg
node
2.107293033126474
3.1866e-05
deg
peri
108.7687292184288
3.8131e-05
deg
M
208.4865697034494
2.1559e-05
deg
t
p
2459141.030874657114
(2020-Oct-18.53087466)
7.755e-05
TDB
period
1284.315948069398
3.52
6.5072e-06
1.782e-08
d
yr
n
.2803048584276766
1.4202e-09
deg/d
Q
2.581606456398417
8.72e-09
au
Orbit Determination Parameters
# obs. used (total)
1405
data-arc span
10276 days (28.13 yr)
first obs. used
1991-10-07
last obs. used
2019-11-25
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.54827
source
ORB
producer
Otto Matic
solution date
2019-Dec-04 00:59:54
Additional Information
Earth MOID
= 1.06996 au
Jupiter MOID
= 2.51133 au
T_jup
= 3.566
[ show covariance matrix ]
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
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Physical Parameters
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Discovery Circumstances
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Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
14.7
n/a
MPO319419
diameter
diameter
2.900
km
0.139
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.304
0.060
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
27038 (1998 RZ57)
Discovered 1998-Sep-14 by LINEAR at Socorro
Reference:
20010804/Numbers.arc
Last Updated:
2004-04-19
[ show close-approach data ]
Alternate Designations
1998 RZ57
= 1991 TP7
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-08 16:07 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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