Erfordia
01254, 1931 BE, 1931BE, 1932 JA, 1932JA, 1971 KG, 1971KG, 1974 XR, 1974XR, J31B00E, J32J00A, J71K00G, J74X00RAll data for this body: [vot]
MPC data
Name (number) | Erfordia (1254) |
---|---|
a | 3.14124 |
e | 0.02797 |
i / sin(i) | 7.0626 / 0.12295 |
q | 3.05338 |
Q | 3.22910 |
ω | 241.2118 |
Node | 287.8196 |
m | 212.5090 |
n | 0.1770 |
Epoch | 2460200.5 |
nobs | 7409 |
---|---|
nopp | 47 |
Years observed | 1931-2023 |
rms | 0.41 |
Proper elements data
ap | ep | sin(ip) | Author | Reference | Method |
---|---|---|---|---|---|
3.1348 | 0.0622 | 0.1446 | Novakovic_Radovic_Todovic | 2003A&A...403.1165K | Numeric-Oct-2022 |
Diameter data
Value | Uncertainty up | Uncertainty down | Author | Reference | Method |
---|---|---|---|---|---|
39.19 | 0.220 | 0.220 | Masiero | 2012ApJ...759L...8M | NEATM |
43.92 | 4.527 | 4.527 | Ryan&Woodward | 2010AJ....140..933R | IRAS-STM |
45.48 | 5.400 | 5.400 | Tedesco | 2002AJ....123.1056T | STM |
46.84 | 4.680 | 4.680 | Ali-Lagoa | 2018A&A...612A..85A | NEATM |
47.13 | 15.850 | 15.850 | Nugent | 2016AJ....152...63N | NEATM |
47.92 | 16.840 | 16.840 | Nugent | 2016AJ....152...63N | NEATM |
50.69 | 0.790 | 0.790 | Usui | 2011PASJ...63.1117U | NEATM |
50.77 | 5.080 | 5.080 | Ali-Lagoa | 2018A&A...612A..85A | NEATM |
51.54 | 0.110 | 0.110 | Masiero | 2014ApJ...791..121M | NEATM |
51.56 | 3.096 | 3.096 | Ryan&Woodward | 2010AJ....140..933R | IRAS-NEATM |
56.11 | 0.297 | 0.297 | Masiero | 2011ApJ...741...68M | NEATM |
Albedo data
Value | Uncertainty up | Uncertainty down | Author | Reference | Method |
---|---|---|---|---|---|
0.027 | 0.0030 | 0.0030 | Masiero | 2011ApJ...741...68M | NEATM |
0.030 | 0.0100 | 0.0100 | Masiero | 2014ApJ...791..121M | NEATM |
0.033 | 0.0039 | 0.0039 | Ryan&Woodward | 2010AJ....140..933R | IRAS-NEATM |
0.040 | 0.0400 | 0.0400 | Nugent | 2016AJ....152...63N | NEATM |
0.040 | 0.0500 | 0.0500 | Nugent | 2016AJ....152...63N | NEATM |
0.041 | 0.0120 | 0.0120 | Tedesco | 2002AJ....123.1056T | STM |
0.048 | 0.0100 | 0.0100 | Ali-Lagoa | 2018A&A...612A..85A | NEATM |
0.049 | 0.0116 | 0.0116 | Ryan&Woodward | 2010AJ....140..933R | IRAS-STM |
0.056 | 0.0110 | 0.0110 | Ali-Lagoa | 2018A&A...612A..85A | NEATM |
0.073 | 0.0140 | 0.0140 | Masiero | 2012ApJ...759L...8M | NEATM |
G data
Value | Uncertainty up | Uncertainty down | Author | Reference | Method |
---|---|---|---|---|---|
0.15 | MPC-2023-12-94 | MPC-2023-12-94 | Phot |
H data
Value | Uncertainty up | Uncertainty down | Author | Reference | Method |
---|---|---|---|---|---|
10.75 | MPC-2023-12-04 | MPC-2023-12-04 | Phot |