Table I
The Eccentricity and Longitude of the Perihelion of the Earth’s Orbit for 3,000,000 Years in the Past and 1,000,000 Years in the Future, computed for Intervals of 50,000 Years.
| PAST TIME. | ||
|---|---|---|
| Number of years before epoch 1800. | Eccentricity. | Longitude of perihelion. |
| ° ′ | ||
| −3,000,000 | 0·0365 | 39 30 |
| −2,950,000 | 0·0170 | 210 39 |
| −2,900,000 | 0·0442 | 200 52 |
| −2,850,000 | 0·0416 | 0 18 |
| −2,800,000 | 0·0352 | 339 14 |
| −2,750,000 | 0·0326 | 161 22 |
| −2,700,000 | 0·0330 | 65 37 |
| −2,650,000 | 0·0053 | 318 40 |
| −2,600,000 | 0·0660 | 190 4 |
| −2,550,000 | 0·0167 | 298 34 |
| −2,500,000 | 0·0721 | 338 36 |
| −2,450,000 | 0·0252 | 109 33 |
| −2,400,000 | 0·0415 | 116 40 |
| −2,350,000 | 0·0281 | 308 23 |
| −2,300,000 | 0·0238 | 195 25 |
| −2,250,000 | 0·0328 | 141 18 |
| −2,200,000 | 0·0352 | 307 6 |
| −2,150,000 | 0·0183 | 307 5 |
| −2,100,000 | 0·0304 | 98 40 |
| −2,050,000 | 0·0170 | 334 46 |
| −2,000,000 | 0·0138 | 324 4 |
| −1,950,000 | 0·0427 | 120 32 |
| −1,900,000 | 0·0336 | 188 31 |
| −1,850,000 | 0·0503 | 272 14 |
| −1,800,000 | 0·0334 | 354 52 |
| −1,750,000 | 0·0350 | 65 25 |
| −1,700,000 | 0·0085 | 95 13 |
| −1,650,000 | 0·0035 | 168 23 |
| −1,600,000 | 0·0305 | 158 42 |
| −1,550,000 | 0·0239 | 225 57 |
| −1,500,000 | 0·0430 | 303 29 |
| −1,450,000 | 0·0195 | 57 11 |
| −1,400,000 | 0·0315 | 97 35 |
| −1,350,000 | 0·0322 | 293 38 |
| −1,300,000 | 0·0022 | 0 48 |
| −1,250,000 | 0·0475 | 105 50 |
| −1,200,000 | 0·0289 | 239 34 |
| −1,150,000 | 0·0473 | 250 27 |
| −1,100,000 | 0·0311 | 55 24 |
| −1,050,000 | 0·0326 | 4 8 |
| −1,000,000 | 0·0151 | 248 22 |
| − 950,000 | 0·0517 | 97 51 |
| − 900,000 | 0·0102 | 135 2 |
| − 850,000 | 0·0747 | 239 28 |
| − 800,000 | 0·0132 | 343 49 |
| − 750,000 | 0·0575 | 27 18 |
| − 700,000 | 0·0220 | 208 13 |
| − 650,000 | 0·0226 | 141 29 |
| − 600,000 | 0·0417 | 32 34 |
| − 550,000 | 0·0166 | 251 50 |
| − 500,000 | 0·0388 | 193 56 |
| − 450,000 | 0·0308 | 356 52 |
| − 400,000 | 0·0170 | 290 7 |
| − 350,000 | 0·0195 | 182 50 |
| − 300,000 | 0·0424 | 23 29 |
| − 250,000 | 0·0258 | 59 39 |
| − 200,000 | 0·0569 | 168 18 |
| − 150,000 | 0·0332 | 242 56 |
| − 100,000 | 0·0473 | 316 18 |
| − 50,000 | 0·0131 | 50 14 |
| FUTURE TIME. | ||
| Number of years after epoch 1800. | Eccentricity. | Longitude of perihelion. |
| ° ′ | ||
| a.d 1800 | 0·0168 | 99 30 |
| + 50,000 | 0·0173 | 38 12 |
| + 100,000 | 0·0191 | 114 50 |
| + 150,000 | 0·0353 | 201 57 |
| + 200,000 | 0·0246 | 279 41 |
| + 250,000 | 0·0286 | 350 54 |
| + 300,000 | 0·0158 | 172 29 |
| + 350,000 | 0·0098 | 201 40 |
| + 400,000 | 0·0429 | 6 9 |
| + 450,000 | 0·0231 | 98 37 |
| + 500,000 | 0·0534 | 157 26 |
| + 550,000 | 0·0259 | 287 31 |
| + 600,000 | 0·0395 | 285 43 |
| + 650,000 | 0·0169 | 144 3 |
| + 700,000 | 0·0357 | 17 12 |
| + 750,000 | 0·0195 | 0 53 |
| + 800,000 | 0·0639 | 140 38 |
| + 850,000 | 0·0144 | 176 41 |
| + 900,000 | 0·0659 | 291 16 |
| + 950,000 | 0·0086 | 115 13 |
| +1,000,000 | 0·0528 | 57 31 |