Erfordia
01254, 1931BE, 1932JA, 1971KG, 1974XR, J31B00E, J32J00A, J71K00G, J74X00RAll data for this body: [vot]
MPC data
Name (number) | Erfordia (1254) |
---|---|
Packed designation | 01254 |
a | 3.13357 |
e | 0.03048 |
i / sin(i) | 7.0719 / 0.12312 |
q | 3.03804 |
Q | 3.22909 |
ω | 240.3800 |
Node | 287.9759 |
m | 106.7303 |
n | 0.1777 |
Epoch | 2459600.5 |
nobs | 3368 |
---|---|
nopp | 45 |
Years observed | 1931-2021 |
rms | 0.54 |
Proper elements data
ap | ep | sin(ip) | Author | Reference | Method |
---|---|---|---|---|---|
3.1348 | 0.0622 | 0.1446 | Novakovic_Radovic_Todovic | 2003A&A...403.1165K | Numeric-Jan-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-2022-01-18 | MPC-2022-01-18 | Phot |
H data
Value | Uncertainty up | Uncertainty down | Author | Reference | Method |
---|---|---|---|---|---|
10.62 | MPC-2022-01-18 | MPC-2022-01-18 | Phot |