Star System Generated (Seed: 1768845308)

Star Details

Spectral Class: M5V

Temperature: 3,050 K

Mass: 0.3 sol

Luminosity: 0.01 lux

Habitable Zone (HZ)

Inner Boundary: 0.1 AU

Outer Boundary: 0.14 AU

Physical Limits

Snow Line: 0.48 AU

Max System Radius: 11 AU

Planetary System (6 Planets)

Asteroid Belt

Center: 0.99 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.1

Radius: 13.3

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.49 AU - 2.45 AU

Year: 1844 Days

Day: 12.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 27.9 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (72)

Outer Limit: 17,719,783 km

  • M1: 171,589 km (0.044 R)
  • M2: 309,967 km (0.043 R)
  • M3: 408,701 km (0.091 R)
  • M4: 501,901 km (0.072 R)
  • M5: 604,824 km (0.088 R)
  • M6: 1,029,533 km (0.085 R)
  • M7: 1,127,220 km (0.103 R)
  • M8: 1,238,820 km (0.073 R)
  • M9: 1,343,688 km (0.085 R)
  • M10: 1,440,777 km (0.109 R)
  • M11: 1,585,438 km (0.113 R)
  • M12: 1,747,004 km (0.066 R)
  • M13: 2,124,739 km (0.078 R)
  • M14: 2,303,957 km (0.06 R)
  • M15: 2,488,261 km (0.092 R)
  • M16: 2,636,662 km (0.115 R)
  • M17: 2,732,704 km (0.109 R)
  • M18: 2,844,005 km (0.045 R)
  • M19: 3,070,945 km (0.101 R)
  • M20: 3,378,219 km (0.098 R)
  • M21: 3,543,226 km (0.12 R)
  • M22: 3,710,925 km (0.061 R)
  • M23: 4,149,995 km (0.116 R)
  • M24: 4,343,275 km (0.09 R)
  • M25: 4,523,092 km (0.096 R)
  • M26: 4,638,880 km (0.027 R)
  • M27: 5,146,316 km (0.112 R)
  • M28: 5,284,694 km (0.102 R)
  • M29: 5,389,263 km (0.102 R)
  • M30: 5,689,357 km (0.063 R)
  • M31: 5,814,570 km (0.075 R)
  • M32: 6,086,090 km (0.049 R)
  • M33: 6,380,200 km (0.078 R)
  • M34: 6,566,449 km (0.117 R)
  • M35: 6,735,644 km (0.1 R)
  • M36: 6,887,187 km (0.077 R)
  • M37: 7,097,521 km (0.114 R)
  • M38: 7,622,909 km (0.04 R)
  • M39: 7,741,391 km (0.103 R)
  • M40: 7,840,574 km (0.118 R)
  • M41: 8,060,333 km (0.094 R)
  • M42: 8,302,532 km (0.047 R)
  • M43: 8,567,470 km (0.069 R)
  • M44: 8,856,044 km (0.098 R)
  • M45: 9,105,873 km (0.082 R)
  • M46: 9,548,832 km (0.097 R)
  • M47: 9,719,374 km (0.063 R)
  • M48: 10,150,365 km (0.096 R)
  • M49: 10,499,676 km (0.1 R)
  • M50: 10,653,762 km (0.079 R)
  • M51: 11,053,487 km (0.12 R)
  • M52: 11,300,174 km (0.099 R)
  • M53: 12,212,572 km (0.089 R)
  • M54: 12,421,111 km (0.069 R)
  • M55: 12,818,294 km (0.104 R)
  • M56: 12,959,514 km (0.118 R)
  • M57: 13,362,381 km (0.1 R)
  • M58: 13,745,352 km (0.11 R)
  • M59: 13,986,653 km (0.098 R)
  • M60: 14,107,678 km (0.084 R)
  • M61: 14,595,815 km (0.088 R)
  • M62: 14,767,853 km (0.112 R)
  • M63: 15,014,989 km (0.103 R)
  • M64: 15,288,304 km (0.066 R)
  • M65: 15,388,235 km (0.073 R)
  • M66: 15,764,474 km (0.113 R)
  • M67: 16,042,277 km (0.085 R)
  • M68: 16,194,568 km (0.105 R)
  • M69: 16,423,901 km (0.114 R)
  • M70: 16,526,077 km (0.108 R)
  • M71: 16,782,637 km (0.081 R)
  • M72: 17,508,187 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.4

Radius: 14.5

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.27 AU - 3.19 AU

Year: 3008 Days

Day: 7.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 38.4 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (65)

Outer Limit: 17,719,783 km

  • M1: 229,483 km (0.112 R)
  • M2: 470,037 km (0.074 R)
  • M3: 620,981 km (0.028 R)
  • M4: 773,720 km (0.109 R)
  • M5: 940,971 km (0.06 R)
  • M6: 1,049,728 km (0.074 R)
  • M7: 1,163,273 km (0.117 R)
  • M8: 1,460,823 km (0.102 R)
  • M9: 1,625,231 km (0.114 R)
  • M10: 1,746,705 km (0.038 R)
  • M11: 1,883,886 km (0.072 R)
  • M12: 2,077,166 km (0.116 R)
  • M13: 2,169,618 km (0.1 R)
  • M14: 2,696,801 km (0.076 R)
  • M15: 3,171,624 km (0.077 R)
  • M16: 3,310,002 km (0.078 R)
  • M17: 3,481,890 km (0.055 R)
  • M18: 3,592,892 km (0.091 R)
  • M19: 3,867,554 km (0.068 R)
  • M20: 4,065,621 km (0.089 R)
  • M21: 4,166,002 km (0.084 R)
  • M22: 4,335,197 km (0.107 R)
  • M23: 4,627,960 km (0.108 R)
  • M24: 4,750,480 km (0.108 R)
  • M25: 4,909,503 km (0.118 R)
  • M26: 5,360,840 km (0.098 R)
  • M27: 6,361,949 km (0.099 R)
  • M28: 6,675,655 km (0.034 R)
  • M29: 6,774,689 km (0.078 R)
  • M30: 6,914,264 km (0.115 R)
  • M31: 7,094,978 km (0.111 R)
  • M32: 7,216,452 km (0.116 R)
  • M33: 7,584,911 km (0.111 R)
  • M34: 7,980,598 km (0.115 R)
  • M35: 8,792,316 km (0.082 R)
  • M36: 9,252,180 km (0.049 R)
  • M37: 9,407,313 km (0.091 R)
  • M38: 9,720,122 km (0.034 R)
  • M39: 9,922,976 km (0.046 R)
  • M40: 10,081,700 km (0.116 R)
  • M41: 10,333,024 km (0.051 R)
  • M42: 10,795,132 km (0.059 R)
  • M43: 10,958,493 km (0.09 R)
  • M44: 11,052,291 km (0.082 R)
  • M45: 11,216,848 km (0.11 R)
  • M46: 11,453,512 km (0.09 R)
  • M47: 11,883,756 km (0.12 R)
  • M48: 12,368,004 km (0.105 R)
  • M49: 13,032,069 km (0.091 R)
  • M50: 13,456,029 km (0.091 R)
  • M51: 14,164,525 km (0.104 R)
  • M52: 14,394,756 km (0.09 R)
  • M53: 14,600,453 km (0.096 R)
  • M54: 14,988,959 km (0.113 R)
  • M55: 15,171,468 km (0.107 R)
  • M56: 15,617,569 km (0.091 R)
  • M57: 16,228,078 km (0.107 R)
  • M58: 16,415,524 km (0.116 R)
  • M59: 17,063,432 km (0.113 R)
  • M60: 17,582,387 km (0.073 R)
  • M61: 17,747,244 km (0.088 R)
  • M62: 17,968,051 km (0.102 R)
  • M63: 18,217,430 km (0.098 R)
  • M64: 18,831,978 km (0.072 R)
  • M65: 18,944,476 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220

Radius: 15

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.25 AU - 3.27 AU

Year: 3058 Days

Day: 8.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 10.6 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (58)

Outer Limit: 17,719,783 km

  • M1: 331,658 km (0.11 R)
  • M2: 525,687 km (0.078 R)
  • M3: 694,284 km (0.043 R)
  • M4: 790,475 km (0.056 R)
  • M5: 892,052 km (0.106 R)
  • M6: 1,041,201 km (0.099 R)
  • M7: 1,338,303 km (0.115 R)
  • M8: 1,453,343 km (0.07 R)
  • M9: 1,725,462 km (0.106 R)
  • M10: 1,862,493 km (0.115 R)
  • M11: 2,250,550 km (0.092 R)
  • M12: 2,413,163 km (0.084 R)
  • M13: 2,616,018 km (0.119 R)
  • M14: 3,077,527 km (0.077 R)
  • M15: 3,285,169 km (0.1 R)
  • M16: 3,484,284 km (0.104 R)
  • M17: 3,578,531 km (0.076 R)
  • M18: 3,742,191 km (0.096 R)
  • M19: 4,077,140 km (0.106 R)
  • M20: 4,176,623 km (0.069 R)
  • M21: 4,277,153 km (0.093 R)
  • M22: 5,002,852 km (0.086 R)
  • M23: 5,155,741 km (0.086 R)
  • M24: 5,481,864 km (0.102 R)
  • M25: 5,750,991 km (0.079 R)
  • M26: 6,008,299 km (0.091 R)
  • M27: 6,138,300 km (0.094 R)
  • M28: 6,269,348 km (0.12 R)
  • M29: 6,584,401 km (0.116 R)
  • M30: 6,718,590 km (0.118 R)
  • M31: 7,024,069 km (0.118 R)
  • M32: 7,178,454 km (0.098 R)
  • M33: 7,508,168 km (0.112 R)
  • M34: 7,613,335 km (0.091 R)
  • M35: 8,710,635 km (0.074 R)
  • M36: 8,987,990 km (0.025 R)
  • M37: 9,212,087 km (0.101 R)
  • M38: 9,627,670 km (0.118 R)
  • M39: 9,761,261 km (0.051 R)
  • M40: 9,933,897 km (0.068 R)
  • M41: 10,204,520 km (0.082 R)
  • M42: 10,772,692 km (0.05 R)
  • M43: 10,891,623 km (0.118 R)
  • M44: 11,311,095 km (0.044 R)
  • M45: 11,512,753 km (0.086 R)
  • M46: 11,634,376 km (0.064 R)
  • M47: 12,124,907 km (0.117 R)
  • M48: 12,290,063 km (0.068 R)
  • M49: 12,435,024 km (0.113 R)
  • M50: 12,601,526 km (0.084 R)
  • M51: 12,705,946 km (0.088 R)
  • M52: 13,041,942 km (0.047 R)
  • M53: 13,338,445 km (0.106 R)
  • M54: 13,680,127 km (0.102 R)
  • M55: 13,830,473 km (0.119 R)
  • M56: 14,306,643 km (0.103 R)
  • M57: 14,481,074 km (0.103 R)
  • M58: 14,788,198 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822

Radius: 13.7

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 3.75 AU - 4.03 AU

Year: 5116 Days

Day: 11.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 180 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (74)

Outer Limit: 17,719,783 km

  • M1: 181,761 km (0.084 R)
  • M2: 338,839 km (0.109 R)
  • M3: 490,232 km (0.059 R)
  • M4: 646,712 km (0.092 R)
  • M5: 732,431 km (0.069 R)
  • M6: 903,870 km (0.118 R)
  • M7: 1,060,200 km (0.107 R)
  • M8: 1,241,812 km (0.12 R)
  • M9: 1,568,534 km (0.09 R)
  • M10: 1,689,708 km (0.104 R)
  • M11: 1,868,328 km (0.042 R)
  • M12: 1,978,581 km (0.047 R)
  • M13: 2,283,761 km (0.114 R)
  • M14: 2,812,590 km (0.071 R)
  • M15: 3,004,524 km (0.082 R)
  • M16: 3,178,805 km (0.064 R)
  • M17: 3,446,885 km (0.092 R)
  • M18: 4,947,052 km (0.036 R)
  • M19: 5,102,035 km (0.108 R)
  • M20: 5,206,155 km (0.084 R)
  • M21: 5,337,353 km (0.119 R)
  • M22: 6,120,498 km (0.087 R)
  • M23: 7,230,065 km (0.032 R)
  • M24: 7,823,071 km (0.12 R)
  • M25: 8,339,632 km (0.112 R)
  • M26: 8,431,934 km (0.055 R)
  • M27: 8,524,535 km (0.116 R)
  • M28: 8,679,668 km (0.11 R)
  • M29: 8,961,361 km (0.095 R)
  • M30: 9,087,622 km (0.09 R)
  • M31: 9,630,513 km (0.092 R)
  • M32: 9,922,228 km (0.097 R)
  • M33: 10,020,215 km (0.082 R)
  • M34: 10,848,538 km (0.119 R)
  • M35: 11,254,098 km (0.116 R)
  • M36: 11,356,124 km (0.092 R)
  • M37: 11,561,372 km (0.068 R)
  • M38: 11,664,445 km (0.11 R)
  • M39: 11,940,902 km (0.073 R)
  • M40: 13,355,350 km (0.074 R)
  • M41: 13,753,579 km (0.072 R)
  • M42: 14,747,657 km (0.114 R)
  • M43: 14,896,956 km (0.054 R)
  • M44: 15,046,703 km (0.108 R)
  • M45: 15,841,218 km (0.11 R)
  • M46: 16,378,424 km (0.088 R)
  • M47: 17,274,066 km (0.109 R)
  • M48: 17,708,050 km (0.113 R)
  • M49: 18,466,212 km (0.044 R)
  • M50: 19,275,686 km (0.075 R)
  • M51: 19,479,887 km (0.031 R)
  • M52: 20,055,390 km (0.08 R)
  • M53: 20,428,337 km (0.074 R)
  • M54: 21,603,279 km (0.107 R)
  • M55: 22,498,921 km (0.118 R)
  • M56: 23,059,465 km (0.118 R)
  • M57: 23,406,831 km (0.117 R)
  • M58: 23,537,430 km (0.091 R)
  • M59: 23,930,872 km (0.11 R)
  • M60: 24,018,537 km (0.068 R)
  • M61: 24,591,496 km (0.114 R)
  • M62: 24,813,051 km (0.083 R)
  • M63: 24,990,773 km (0.05 R)
  • M64: 25,124,214 km (0.059 R)
  • M65: 26,745,556 km (0.072 R)
  • M66: 27,431,014 km (0.067 R)
  • M67: 28,122,305 km (0.051 R)
  • M68: 29,381,022 km (0.082 R)
  • M69: 29,569,216 km (0.054 R)
  • M70: 29,804,833 km (0.047 R)
  • M71: 30,705,861 km (0.086 R)
  • M72: 31,327,589 km (0.102 R)
  • M73: 31,567,843 km (0.091 R)
  • M74: 32,001,677 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.7

Radius: 10.4

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 4.08 AU - 4.18 AU

Year: 5597 Days

Day: 12.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 10.5 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (82)

Outer Limit: 17,719,783 km

  • M1: 153,188 km (0.045 R)
  • M2: 543,489 km (0.084 R)
  • M3: 659,577 km (0.106 R)
  • M4: 806,482 km (0.073 R)
  • M5: 918,681 km (0.118 R)
  • M6: 1,097,151 km (0.045 R)
  • M7: 1,171,950 km (0.073 R)
  • M8: 1,729,651 km (0.053 R)
  • M9: 1,802,954 km (0.092 R)
  • M10: 1,892,263 km (0.073 R)
  • M11: 1,967,960 km (0.079 R)
  • M12: 2,201,183 km (0.11 R)
  • M13: 2,526,259 km (0.061 R)
  • M14: 2,849,391 km (0.043 R)
  • M15: 2,971,911 km (0.105 R)
  • M16: 3,096,078 km (0.109 R)
  • M17: 3,294,893 km (0.119 R)
  • M18: 3,442,097 km (0.078 R)
  • M19: 3,572,696 km (0.114 R)
  • M20: 3,916,173 km (0.065 R)
  • M21: 4,171,088 km (0.107 R)
  • M22: 4,779,652 km (0.063 R)
  • M23: 4,946,753 km (0.098 R)
  • M24: 5,372,957 km (0.101 R)
  • M25: 5,459,574 km (0.117 R)
  • M26: 5,678,436 km (0.066 R)
  • M27: 6,169,865 km (0.11 R)
  • M28: 6,237,932 km (0.071 R)
  • M29: 6,374,814 km (0.109 R)
  • M30: 6,443,629 km (0.098 R)
  • M31: 6,791,594 km (0.091 R)
  • M32: 7,217,200 km (0.09 R)
  • M33: 7,337,028 km (0.079 R)
  • M34: 8,044,925 km (0.115 R)
  • M35: 8,269,022 km (0.028 R)
  • M36: 8,394,535 km (0.086 R)
  • M37: 8,571,060 km (0.042 R)
  • M38: 9,005,343 km (0.066 R)
  • M39: 9,788,937 km (0.105 R)
  • M40: 10,135,405 km (0.119 R)
  • M41: 10,323,599 km (0.116 R)
  • M42: 10,676,202 km (0.091 R)
  • M43: 10,785,408 km (0.087 R)
  • M44: 11,254,098 km (0.117 R)
  • M45: 11,560,923 km (0.057 R)
  • M46: 11,814,043 km (0.1 R)
  • M47: 11,927,139 km (0.105 R)
  • M48: 12,211,375 km (0.054 R)
  • M49: 12,728,684 km (0.102 R)
  • M50: 14,113,213 km (0.098 R)
  • M51: 14,323,398 km (0.12 R)
  • M52: 14,595,367 km (0.111 R)
  • M53: 14,991,053 km (0.042 R)
  • M54: 15,205,726 km (0.082 R)
  • M55: 15,328,695 km (0.045 R)
  • M56: 15,514,047 km (0.109 R)
  • M57: 15,606,947 km (0.104 R)
  • M58: 15,731,114 km (0.104 R)
  • M59: 16,011,610 km (0.056 R)
  • M60: 16,609,253 km (0.067 R)
  • M61: 16,990,578 km (0.073 R)
  • M62: 17,246,391 km (0.1 R)
  • M63: 17,567,876 km (0.117 R)
  • M64: 17,761,755 km (0.075 R)
  • M65: 17,858,994 km (0.084 R)
  • M66: 18,086,532 km (0.064 R)
  • M67: 18,347,730 km (0.094 R)
  • M68: 18,840,805 km (0.086 R)
  • M69: 19,072,382 km (0.063 R)
  • M70: 19,371,578 km (0.112 R)
  • M71: 19,505,169 km (0.111 R)
  • M72: 19,840,118 km (0.066 R)
  • M73: 20,008,416 km (0.064 R)
  • M74: 20,788,270 km (0.118 R)
  • M75: 21,199,215 km (0.067 R)
  • M76: 21,440,068 km (0.076 R)
  • M77: 22,553,076 km (0.119 R)
  • M78: 22,799,015 km (0.112 R)
  • M79: 22,975,241 km (0.083 R)
  • M80: 23,187,371 km (0.093 R)
  • M81: 23,293,585 km (0.118 R)
  • M82: 23,435,554 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.2

Radius: 12

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 4.31 AU - 4.37 AU

Year: 6029 Days

Day: 11.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 22.9 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (51)

Outer Limit: 17,719,783 km

  • M1: 178,321 km (0.114 R)
  • M2: 259,403 km (0.055 R)
  • M3: 433,684 km (0.115 R)
  • M4: 510,129 km (0.095 R)
  • M5: 991,834 km (0.066 R)
  • M6: 1,211,144 km (0.119 R)
  • M7: 1,768,247 km (0.071 R)
  • M8: 1,900,940 km (0.052 R)
  • M9: 2,267,006 km (0.095 R)
  • M10: 2,438,445 km (0.113 R)
  • M11: 2,696,950 km (0.067 R)
  • M12: 2,993,154 km (0.045 R)
  • M13: 3,137,965 km (0.11 R)
  • M14: 3,344,709 km (0.075 R)
  • M15: 3,510,464 km (0.099 R)
  • M16: 4,248,879 km (0.106 R)
  • M17: 4,527,729 km (0.114 R)
  • M18: 4,931,793 km (0.028 R)
  • M19: 5,172,945 km (0.087 R)
  • M20: 6,212,800 km (0.117 R)
  • M21: 6,624,044 km (0.074 R)
  • M22: 6,718,740 km (0.045 R)
  • M23: 7,005,668 km (0.054 R)
  • M24: 7,335,681 km (0.114 R)
  • M25: 7,433,668 km (0.1 R)
  • M26: 7,930,482 km (0.092 R)
  • M27: 8,356,088 km (0.038 R)
  • M28: 8,540,842 km (0.065 R)
  • M29: 8,893,593 km (0.094 R)
  • M30: 9,040,199 km (0.12 R)
  • M31: 9,208,647 km (0.088 R)
  • M32: 9,293,319 km (0.08 R)
  • M33: 9,463,412 km (0.118 R)
  • M34: 9,699,028 km (0.076 R)
  • M35: 9,936,590 km (0.111 R)
  • M36: 10,550,091 km (0.116 R)
  • M37: 11,653,076 km (0.102 R)
  • M38: 12,299,787 km (0.093 R)
  • M39: 12,463,298 km (0.086 R)
  • M40: 12,698,166 km (0.111 R)
  • M41: 12,981,954 km (0.05 R)
  • M42: 13,555,661 km (0.095 R)
  • M43: 14,530,441 km (0.101 R)
  • M44: 15,729,917 km (0.07 R)
  • M45: 15,983,784 km (0.082 R)
  • M46: 16,060,229 km (0.042 R)
  • M47: 16,136,823 km (0.039 R)
  • M48: 16,239,148 km (0.084 R)
  • M49: 16,367,204 km (0.034 R)
  • M50: 16,624,512 km (0.091 R)
  • M51: 17,378,336 km (0.096 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: 524 - 14,788 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit