Star System Generated (Seed: 1766847622)

Star Details

Spectral Class: M1V

Temperature: 3,483 K

Mass: 0.32 sol

Luminosity: 0.02 lux

Habitable Zone (HZ)

Inner Boundary: 0.13 AU

Outer Boundary: 0.19 AU

Physical Limits

Snow Line: 0.68 AU

Max System Radius: 11.3 AU

Planetary System (6 Planets)

Planet 1 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.7

Radius: 13.4

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.03 AU - 1.21 AU

Year: 765 Days

Day: 6.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 7.8 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (49)

Outer Limit: 31,673,662 km

  • M1: 172,187 km (0.096 R)
  • M2: 281,842 km (0.12 R)
  • M3: 472,729 km (0.075 R)
  • M4: 660,624 km (0.093 R)
  • M5: 804,986 km (0.072 R)
  • M6: 1,048,980 km (0.089 R)
  • M7: 1,227,600 km (0.084 R)
  • M8: 1,311,824 km (0.085 R)
  • M9: 1,505,852 km (0.094 R)
  • M10: 1,616,405 km (0.1 R)
  • M11: 1,756,877 km (0.057 R)
  • M12: 1,859,950 km (0.102 R)
  • M13: 1,979,329 km (0.111 R)
  • M14: 2,101,401 km (0.092 R)
  • M15: 2,240,827 km (0.108 R)
  • M16: 2,375,913 km (0.073 R)
  • M17: 2,575,926 km (0.111 R)
  • M18: 2,701,887 km (0.057 R)
  • M19: 2,862,406 km (0.114 R)
  • M20: 2,952,015 km (0.081 R)
  • M21: 3,042,521 km (0.115 R)
  • M22: 3,269,013 km (0.103 R)
  • M23: 3,397,218 km (0.11 R)
  • M24: 3,518,542 km (0.082 R)
  • M25: 3,729,774 km (0.103 R)
  • M26: 4,018,049 km (0.104 R)
  • M27: 4,118,878 km (0.055 R)
  • M28: 4,220,605 km (0.118 R)
  • M29: 4,360,628 km (0.071 R)
  • M30: 4,454,875 km (0.092 R)
  • M31: 4,549,870 km (0.048 R)
  • M32: 4,732,080 km (0.079 R)
  • M33: 4,916,833 km (0.104 R)
  • M34: 5,303,693 km (0.031 R)
  • M35: 5,485,604 km (0.111 R)
  • M36: 5,690,105 km (0.072 R)
  • M37: 5,793,327 km (0.116 R)
  • M38: 5,928,564 km (0.069 R)
  • M39: 6,159,692 km (0.066 R)
  • M40: 6,276,379 km (0.069 R)
  • M41: 6,415,355 km (0.113 R)
  • M42: 6,674,459 km (0.095 R)
  • M43: 6,992,204 km (0.096 R)
  • M44: 7,091,837 km (0.103 R)
  • M45: 7,203,137 km (0.099 R)
  • M46: 7,337,476 km (0.102 R)
  • M47: 7,483,933 km (0.115 R)
  • M48: 7,642,656 km (0.111 R)
  • M49: 7,745,430 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721

Radius: 10.4

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.2 AU - 1.74 AU

Year: 1151 Days

Day: 13.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 19.7 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (63)

Outer Limit: 31,673,662 km

  • M1: 146,307 km (0.112 R)
  • M2: 268,528 km (0.1 R)
  • M3: 358,885 km (0.104 R)
  • M4: 495,468 km (0.1 R)
  • M5: 574,157 km (0.119 R)
  • M6: 645,515 km (0.108 R)
  • M7: 798,553 km (0.104 R)
  • M8: 886,816 km (0.11 R)
  • M9: 1,134,251 km (0.072 R)
  • M10: 1,242,710 km (0.066 R)
  • M11: 1,322,445 km (0.112 R)
  • M12: 1,387,520 km (0.089 R)
  • M13: 1,538,016 km (0.075 R)
  • M14: 1,624,184 km (0.085 R)
  • M15: 1,720,675 km (0.084 R)
  • M16: 1,837,511 km (0.034 R)
  • M17: 1,947,615 km (0.119 R)
  • M18: 2,012,989 km (0.112 R)
  • M19: 2,098,110 km (0.095 R)
  • M20: 2,242,622 km (0.047 R)
  • M21: 2,511,449 km (0.092 R)
  • M22: 2,769,655 km (0.114 R)
  • M23: 2,950,220 km (0.039 R)
  • M24: 3,025,767 km (0.046 R)
  • M25: 3,607,104 km (0.113 R)
  • M26: 3,722,893 km (0.1 R)
  • M27: 3,828,060 km (0.075 R)
  • M28: 4,137,877 km (0.114 R)
  • M29: 4,247,084 km (0.108 R)
  • M30: 4,344,921 km (0.077 R)
  • M31: 4,455,922 km (0.097 R)
  • M32: 4,530,422 km (0.037 R)
  • M33: 4,605,370 km (0.064 R)
  • M34: 4,705,900 km (0.071 R)
  • M35: 5,377,595 km (0.106 R)
  • M36: 5,590,323 km (0.09 R)
  • M37: 5,670,806 km (0.108 R)
  • M38: 5,860,197 km (0.092 R)
  • M39: 6,024,157 km (0.071 R)
  • M40: 6,231,350 km (0.053 R)
  • M41: 6,539,521 km (0.078 R)
  • M42: 6,738,187 km (0.055 R)
  • M43: 6,838,268 km (0.116 R)
  • M44: 6,967,670 km (0.108 R)
  • M45: 7,068,948 km (0.068 R)
  • M46: 7,375,624 km (0.09 R)
  • M47: 7,686,638 km (0.115 R)
  • M48: 8,047,468 km (0.116 R)
  • M49: 8,138,423 km (0.098 R)
  • M50: 9,385,322 km (0.087 R)
  • M51: 9,465,207 km (0.075 R)
  • M52: 9,593,562 km (0.101 R)
  • M53: 9,754,828 km (0.031 R)
  • M54: 9,835,761 km (0.104 R)
  • M55: 9,998,374 km (0.102 R)
  • M56: 10,359,204 km (0.071 R)
  • M57: 10,458,387 km (0.085 R)
  • M58: 10,557,870 km (0.079 R)
  • M59: 10,624,291 km (0.116 R)
  • M60: 10,774,487 km (0.084 R)
  • M61: 10,874,868 km (0.089 R)
  • M62: 11,246,020 km (0.079 R)
  • M63: 11,348,046 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.6

Radius: 14.5

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.54 AU - 4.04 AU

Year: 3853 Days

Day: 6.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 23.6 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (74)

Outer Limit: 31,673,662 km

  • M1: 200,162 km (0.095 R)
  • M2: 301,440 km (0.089 R)
  • M3: 402,717 km (0.109 R)
  • M4: 497,413 km (0.098 R)
  • M5: 906,264 km (0.088 R)
  • M6: 1,077,254 km (0.057 R)
  • M7: 1,440,478 km (0.034 R)
  • M8: 1,742,217 km (0.099 R)
  • M9: 1,930,411 km (0.074 R)
  • M10: 2,064,750 km (0.114 R)
  • M11: 2,343,301 km (0.077 R)
  • M12: 2,684,085 km (0.096 R)
  • M13: 2,835,029 km (0.11 R)
  • M14: 2,988,965 km (0.1 R)
  • M15: 3,163,397 km (0.1 R)
  • M16: 3,707,334 km (0.055 R)
  • M17: 3,952,226 km (0.089 R)
  • M18: 4,047,819 km (0.12 R)
  • M19: 4,398,776 km (0.11 R)
  • M20: 4,678,524 km (0.102 R)
  • M21: 4,800,296 km (0.052 R)
  • M22: 4,964,256 km (0.102 R)
  • M23: 5,660,634 km (0.108 R)
  • M24: 5,899,691 km (0.07 R)
  • M25: 6,591,432 km (0.03 R)
  • M26: 6,774,091 km (0.09 R)
  • M27: 7,545,717 km (0.066 R)
  • M28: 7,641,160 km (0.071 R)
  • M29: 7,881,564 km (0.103 R)
  • M30: 8,027,123 km (0.119 R)
  • M31: 8,197,963 km (0.066 R)
  • M32: 8,296,100 km (0.118 R)
  • M33: 8,642,867 km (0.025 R)
  • M34: 9,197,277 km (0.116 R)
  • M35: 9,504,701 km (0.103 R)
  • M36: 9,633,804 km (0.058 R)
  • M37: 10,848,838 km (0.066 R)
  • M38: 11,200,841 km (0.103 R)
  • M39: 11,310,048 km (0.076 R)
  • M40: 11,474,306 km (0.116 R)
  • M41: 11,944,343 km (0.116 R)
  • M42: 12,223,792 km (0.115 R)
  • M43: 12,336,140 km (0.036 R)
  • M44: 12,448,936 km (0.097 R)
  • M45: 12,703,702 km (0.108 R)
  • M46: 13,132,449 km (0.112 R)
  • M47: 13,247,639 km (0.045 R)
  • M48: 13,392,001 km (0.033 R)
  • M49: 13,886,871 km (0.113 R)
  • M50: 14,004,156 km (0.115 R)
  • M51: 14,328,484 km (0.095 R)
  • M52: 14,864,643 km (0.099 R)
  • M53: 15,346,647 km (0.11 R)
  • M54: 15,437,603 km (0.059 R)
  • M55: 16,481,197 km (0.101 R)
  • M56: 17,294,561 km (0.114 R)
  • M57: 17,961,169 km (0.117 R)
  • M58: 18,442,425 km (0.114 R)
  • M59: 18,700,781 km (0.055 R)
  • M60: 19,911,626 km (0.03 R)
  • M61: 20,143,652 km (0.118 R)
  • M62: 20,677,118 km (0.039 R)
  • M63: 21,147,753 km (0.089 R)
  • M64: 21,249,031 km (0.082 R)
  • M65: 21,690,046 km (0.108 R)
  • M66: 21,894,546 km (0.1 R)
  • M67: 21,997,021 km (0.116 R)
  • M68: 22,133,903 km (0.1 R)
  • M69: 22,546,493 km (0.059 R)
  • M70: 22,684,572 km (0.079 R)
  • M71: 23,030,891 km (0.118 R)
  • M72: 23,135,161 km (0.098 R)
  • M73: 23,274,437 km (0.102 R)
  • M74: 23,448,868 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.2

Radius: 13.3

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.37 AU - 4.97 AU

Year: 5498 Days

Day: 13.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 45.7 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (61)

Outer Limit: 31,673,662 km

  • M1: 178,321 km (0.114 R)
  • M2: 331,509 km (0.041 R)
  • M3: 429,795 km (0.082 R)
  • M4: 512,971 km (0.048 R)
  • M5: 717,471 km (0.065 R)
  • M6: 941,569 km (0.102 R)
  • M7: 1,067,830 km (0.099 R)
  • M8: 1,242,261 km (0.084 R)
  • M9: 1,349,522 km (0.097 R)
  • M10: 1,437,785 km (0.052 R)
  • M11: 1,714,840 km (0.053 R)
  • M12: 1,823,299 km (0.1 R)
  • M13: 2,034,830 km (0.109 R)
  • M14: 2,150,170 km (0.071 R)
  • M15: 2,578,469 km (0.089 R)
  • M16: 2,990,013 km (0.045 R)
  • M17: 3,166,538 km (0.086 R)
  • M18: 3,545,470 km (0.114 R)
  • M19: 4,035,851 km (0.099 R)
  • M20: 4,330,559 km (0.114 R)
  • M21: 4,547,775 km (0.106 R)
  • M22: 5,203,612 km (0.103 R)
  • M23: 5,815,767 km (0.099 R)
  • M24: 5,944,720 km (0.117 R)
  • M25: 6,074,571 km (0.1 R)
  • M26: 6,431,811 km (0.074 R)
  • M27: 6,584,401 km (0.107 R)
  • M28: 6,718,889 km (0.112 R)
  • M29: 7,424,842 km (0.096 R)
  • M30: 7,524,773 km (0.098 R)
  • M31: 8,092,796 km (0.089 R)
  • M32: 8,195,719 km (0.115 R)
  • M33: 8,402,912 km (0.089 R)
  • M34: 8,758,955 km (0.051 R)
  • M35: 9,507,842 km (0.109 R)
  • M36: 9,878,995 km (0.112 R)
  • M37: 10,099,651 km (0.118 R)
  • M38: 10,478,433 km (0.068 R)
  • M39: 10,793,935 km (0.107 R)
  • M40: 11,112,429 km (0.052 R)
  • M41: 11,250,059 km (0.11 R)
  • M42: 11,411,176 km (0.095 R)
  • M43: 12,181,156 km (0.112 R)
  • M44: 12,441,606 km (0.066 R)
  • M45: 13,137,087 km (0.12 R)
  • M46: 13,234,026 km (0.111 R)
  • M47: 13,453,037 km (0.078 R)
  • M48: 13,673,096 km (0.087 R)
  • M49: 13,820,599 km (0.074 R)
  • M50: 13,968,552 km (0.036 R)
  • M51: 14,640,994 km (0.099 R)
  • M52: 14,741,524 km (0.052 R)
  • M53: 15,019,177 km (0.082 R)
  • M54: 15,298,477 km (0.118 R)
  • M55: 15,656,614 km (0.084 R)
  • M56: 15,965,683 km (0.044 R)
  • M57: 16,069,205 km (0.062 R)
  • M58: 16,433,176 km (0.092 R)
  • M59: 16,537,745 km (0.079 R)
  • M60: 17,169,497 km (0.064 R)
  • M61: 18,050,928 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.3

Radius: 13.5

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.88 AU - 4.88 AU

Year: 5919 Days

Day: 14.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 23.9 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (80)

Outer Limit: 31,673,662 km

  • M1: 258,505 km (0.091 R)
  • M2: 353,201 km (0.115 R)
  • M3: 456,872 km (0.105 R)
  • M4: 638,633 km (0.091 R)
  • M5: 761,154 km (0.085 R)
  • M6: 1,249,142 km (0.094 R)
  • M7: 1,336,507 km (0.107 R)
  • M8: 1,845,888 km (0.039 R)
  • M9: 2,008,202 km (0.1 R)
  • M10: 2,282,415 km (0.074 R)
  • M11: 2,682,439 km (0.116 R)
  • M12: 2,985,375 km (0.106 R)
  • M13: 3,778,393 km (0.098 R)
  • M14: 3,882,065 km (0.07 R)
  • M15: 4,225,541 km (0.09 R)
  • M16: 4,551,515 km (0.11 R)
  • M17: 4,942,265 km (0.066 R)
  • M18: 5,199,274 km (0.098 R)
  • M19: 5,996,780 km (0.088 R)
  • M20: 6,549,694 km (0.1 R)
  • M21: 6,643,492 km (0.076 R)
  • M22: 7,151,227 km (0.065 R)
  • M23: 7,247,867 km (0.104 R)
  • M24: 7,573,093 km (0.054 R)
  • M25: 7,803,623 km (0.034 R)
  • M26: 8,204,246 km (0.099 R)
  • M27: 8,577,493 km (0.119 R)
  • M28: 9,305,436 km (0.093 R)
  • M29: 9,588,027 km (0.087 R)
  • M30: 9,909,363 km (0.116 R)
  • M31: 10,343,346 km (0.096 R)
  • M32: 10,452,852 km (0.116 R)
  • M33: 11,192,613 km (0.033 R)
  • M34: 11,949,280 km (0.077 R)
  • M35: 12,179,511 km (0.116 R)
  • M36: 12,997,063 km (0.052 R)
  • M37: 13,115,245 km (0.115 R)
  • M38: 13,751,934 km (0.118 R)
  • M39: 14,114,559 km (0.079 R)
  • M40: 15,055,530 km (0.085 R)
  • M41: 16,313,199 km (0.089 R)
  • M42: 17,213,629 km (0.116 R)
  • M43: 17,604,528 km (0.098 R)
  • M44: 17,910,605 km (0.1 R)
  • M45: 18,439,284 km (0.034 R)
  • M46: 19,738,242 km (0.098 R)
  • M47: 20,559,235 km (0.118 R)
  • M48: 20,697,165 km (0.08 R)
  • M49: 20,927,845 km (0.113 R)
  • M50: 21,252,023 km (0.069 R)
  • M51: 21,344,923 km (0.076 R)
  • M52: 21,484,648 km (0.101 R)
  • M53: 21,952,440 km (0.116 R)
  • M54: 22,329,128 km (0.07 R)
  • M55: 22,898,198 km (0.113 R)
  • M56: 23,520,076 km (0.069 R)
  • M57: 24,147,490 km (0.033 R)
  • M58: 24,927,194 km (0.029 R)
  • M59: 25,270,970 km (0.114 R)
  • M60: 25,566,874 km (0.082 R)
  • M61: 26,062,642 km (0.103 R)
  • M62: 26,511,585 km (0.071 R)
  • M63: 27,214,845 km (0.041 R)
  • M64: 27,619,656 km (0.098 R)
  • M65: 28,230,315 km (0.102 R)
  • M66: 29,000,146 km (0.112 R)
  • M67: 29,103,219 km (0.068 R)
  • M68: 29,361,724 km (0.114 R)
  • M69: 29,517,156 km (0.052 R)
  • M70: 30,245,997 km (0.116 R)
  • M71: 30,980,971 km (0.114 R)
  • M72: 31,086,438 km (0.083 R)
  • M73: 31,192,054 km (0.1 R)
  • M74: 32,254,348 km (0.049 R)
  • M75: 33,328,610 km (0.104 R)
  • M76: 35,346,835 km (0.111 R)
  • M77: 35,512,291 km (0.116 R)
  • M78: 36,010,003 km (0.106 R)
  • M79: 37,180,157 km (0.099 R)
  • M80: 37,348,305 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377

Radius: 12.9

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 4.85 AU - 5.17 AU

Year: 7241 Days

Day: 9.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 44.7 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (78)

Outer Limit: 31,673,662 km

  • M1: 175,030 km (0.087 R)
  • M2: 324,179 km (0.08 R)
  • M3: 461,210 km (0.082 R)
  • M4: 555,906 km (0.093 R)
  • M5: 941,419 km (0.106 R)
  • M6: 1,569,880 km (0.077 R)
  • M7: 1,758,373 km (0.064 R)
  • M8: 2,234,244 km (0.113 R)
  • M9: 2,587,146 km (0.093 R)
  • M10: 2,811,692 km (0.058 R)
  • M11: 3,021,428 km (0.058 R)
  • M12: 3,302,074 km (0.119 R)
  • M13: 3,456,758 km (0.105 R)
  • M14: 3,568,657 km (0.066 R)
  • M15: 3,888,797 km (0.084 R)
  • M16: 4,099,580 km (0.104 R)
  • M17: 4,581,584 km (0.085 R)
  • M18: 4,804,485 km (0.103 R)
  • M19: 5,056,408 km (0.071 R)
  • M20: 5,235,327 km (0.098 R)
  • M21: 6,107,333 km (0.064 R)
  • M22: 6,298,070 km (0.098 R)
  • M23: 6,518,578 km (0.119 R)
  • M24: 6,910,674 km (0.048 R)
  • M25: 7,252,804 km (0.093 R)
  • M26: 7,747,225 km (0.105 R)
  • M27: 8,494,167 km (0.061 R)
  • M28: 8,707,494 km (0.085 R)
  • M29: 9,483,607 km (0.085 R)
  • M30: 9,896,198 km (0.054 R)
  • M31: 10,152,908 km (0.096 R)
  • M32: 10,314,474 km (0.096 R)
  • M33: 10,542,162 km (0.044 R)
  • M34: 11,235,249 km (0.041 R)
  • M35: 12,457,613 km (0.119 R)
  • M36: 12,839,536 km (0.112 R)
  • M37: 12,944,405 km (0.082 R)
  • M38: 13,401,875 km (0.098 R)
  • M39: 13,614,902 km (0.111 R)
  • M40: 13,864,880 km (0.111 R)
  • M41: 14,769,798 km (0.097 R)
  • M42: 15,544,864 km (0.109 R)
  • M43: 15,731,263 km (0.062 R)
  • M44: 15,881,011 km (0.095 R)
  • M45: 16,903,961 km (0.045 R)
  • M46: 17,134,192 km (0.087 R)
  • M47: 18,222,517 km (0.086 R)
  • M48: 18,933,855 km (0.11 R)
  • M49: 19,493,351 km (0.117 R)
  • M50: 19,614,076 km (0.081 R)
  • M51: 19,775,193 km (0.065 R)
  • M52: 20,099,072 km (0.108 R)
  • M53: 20,180,154 km (0.032 R)
  • M54: 20,875,036 km (0.062 R)
  • M55: 21,163,312 km (0.037 R)
  • M56: 21,453,083 km (0.075 R)
  • M57: 21,660,724 km (0.057 R)
  • M58: 23,133,516 km (0.094 R)
  • M59: 23,218,786 km (0.087 R)
  • M60: 23,817,627 km (0.088 R)
  • M61: 24,335,086 km (0.111 R)
  • M62: 24,943,351 km (0.066 R)
  • M63: 25,293,260 km (0.054 R)
  • M64: 25,556,702 km (0.099 R)
  • M65: 26,352,563 km (0.077 R)
  • M66: 27,022,013 km (0.103 R)
  • M67: 27,381,347 km (0.05 R)
  • M68: 27,471,555 km (0.104 R)
  • M69: 27,742,327 km (0.116 R)
  • M70: 28,104,802 km (0.11 R)
  • M71: 28,332,191 km (0.077 R)
  • M72: 28,972,171 km (0.111 R)
  • M73: 29,340,032 km (0.081 R)
  • M74: 29,848,216 km (0.071 R)
  • M75: 30,359,392 km (0.085 R)
  • M76: 30,732,938 km (0.067 R)
  • M77: 30,920,384 km (0.116 R)
  • M78: 31,296,323 km (0.062 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 546 - 19,749 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit