🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.44 AU - 0.6 AU

Year: 242 Days

Day: 45.4 Hours

Environment

Temp: -113 °C

Axial Tilt: 24.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.59 AU - 0.63 AU

Year: 308 Days

Day: 28.4 Hours

Environment

Temp: -131 °C

Axial Tilt: 3.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.59 AU - 0.75 AU

Year: 354 Days

Day: 17 Hours

Environment

Temp: -136 °C

Axial Tilt: 33.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 52,573,160 km

• M1: 229,034 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.3

Radius: 14.4

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.76 AU - 0.94 AU

Year: 506 Days

Day: 13.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 52,573,160 km

• M1: 195,524 km (0.113 R)
• M2: 340,335 km (0.09 R)
• M3: 438,471 km (0.045 R)
• M4: 539,300 km (0.101 R)
• M5: 628,909 km (0.052 R)
• M6: 724,951 km (0.105 R)
• M7: 830,418 km (0.11 R)
• M8: 1,013,077 km (0.042 R)
• M9: 1,137,692 km (0.088 R)
• M10: 1,272,180 km (0.064 R)
• M11: 1,495,530 km (0.117 R)
• M12: 1,598,603 km (0.046 R)
• M13: 1,751,043 km (0.115 R)
• M14: 1,908,570 km (0.116 R)
• M15: 2,001,620 km (0.07 R)
• M16: 2,121,298 km (0.109 R)
• M17: 2,258,928 km (0.087 R)
• M18: 2,479,286 km (0.077 R)
• M19: 2,597,617 km (0.098 R)
• M20: 2,701,289 km (0.104 R)
• M21: 2,879,310 km (0.038 R)
• M22: 2,981,186 km (0.061 R)
• M23: 3,107,447 km (0.099 R)
• M24: 3,270,808 km (0.083 R)
• M25: 3,383,305 km (0.107 R)
• M26: 3,710,177 km (0.097 R)
• M27: 3,815,194 km (0.077 R)
• M28: 3,971,674 km (0.103 R)
• M29: 4,194,276 km (0.06 R)
• M30: 4,355,841 km (0.089 R)
• M31: 4,447,246 km (0.059 R)
• M32: 4,579,041 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.9

Radius: 11

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.93 AU - 1.15 AU

Year: 685 Days

Day: 7.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 52,573,160 km

• M1: 156,180 km (0.094 R)
• M2: 249,529 km (0.065 R)
• M3: 331,060 km (0.069 R)
• M4: 403,465 km (0.092 R)
• M5: 472,879 km (0.103 R)
• M6: 562,039 km (0.081 R)
• M7: 820,395 km (0.097 R)
• M8: 954,734 km (0.063 R)
• M9: 1,048,681 km (0.029 R)
• M10: 1,141,133 km (0.111 R)
• M11: 1,292,825 km (0.11 R)
• M12: 1,656,497 km (0.083 R)
• M13: 1,725,013 km (0.113 R)
• M14: 1,812,079 km (0.081 R)
• M15: 1,960,630 km (0.053 R)
• M16: 2,119,503 km (0.039 R)
• M17: 2,225,717 km (0.077 R)
• M18: 2,417,801 km (0.09 R)
• M19: 2,489,608 km (0.089 R)
• M20: 2,588,642 km (0.082 R)
• M21: 2,662,094 km (0.043 R)
• M22: 2,859,414 km (0.037 R)
• M23: 2,928,528 km (0.102 R)
• M24: 3,047,458 km (0.1 R)
• M25: 3,132,430 km (0.101 R)
• M26: 3,261,234 km (0.107 R)
• M27: 3,413,823 km (0.116 R)
• M28: 3,494,756 km (0.102 R)
• M29: 3,696,115 km (0.083 R)
• M30: 3,802,030 km (0.053 R)
• M31: 3,970,627 km (0.074 R)
• M32: 4,055,897 km (0.08 R)
• M33: 4,141,767 km (0.085 R)
• M34: 4,259,799 km (0.117 R)
• M35: 4,339,086 km (0.068 R)
• M36: 4,483,149 km (0.103 R)
• M37: 4,661,470 km (0.107 R)
• M38: 4,767,983 km (0.105 R)
• M39: 5,016,765 km (0.106 R)
• M40: 5,092,162 km (0.072 R)
• M41: 5,193,440 km (0.068 R)
• M42: 5,286,938 km (0.113 R)
• M43: 5,389,413 km (0.042 R)
• M44: 5,466,755 km (0.061 R)
• M45: 5,579,103 km (0.106 R)
• M46: 5,674,846 km (0.088 R)
• M47: 5,771,187 km (0.029 R)
• M48: 5,859,150 km (0.055 R)
• M49: 6,072,178 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.7

Radius: 9.1

Gravity: 9.96 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.51 AU - 1.59 AU

Year: 1246 Days

Day: 9.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 52,573,160 km

• M1: 181,911 km (0.077 R)
• M2: 307,872 km (0.073 R)
• M3: 409,150 km (0.091 R)
• M4: 499,956 km (0.098 R)
• M5: 710,889 km (0.087 R)
• M6: 853,007 km (0.082 R)
• M7: 1,004,699 km (0.108 R)
• M8: 1,124,527 km (0.068 R)
• M9: 1,198,728 km (0.105 R)
• M10: 1,291,927 km (0.077 R)
• M11: 1,449,753 km (0.09 R)
• M12: 1,623,436 km (0.092 R)
• M13: 1,717,533 km (0.077 R)
• M14: 1,862,344 km (0.09 R)
• M15: 1,971,102 km (0.115 R)
• M16: 2,184,727 km (0.049 R)
• M17: 2,310,390 km (0.095 R)
• M18: 2,579,666 km (0.094 R)
• M19: 2,679,148 km (0.094 R)
• M20: 2,836,376 km (0.111 R)
• M21: 2,904,742 km (0.056 R)
• M22: 3,171,924 km (0.092 R)
• M23: 3,302,672 km (0.06 R)
• M24: 3,606,356 km (0.088 R)
• M25: 3,730,223 km (0.075 R)
• M26: 3,792,904 km (0.064 R)
• M27: 3,868,302 km (0.06 R)
• M28: 3,957,163 km (0.035 R)
• M29: 4,149,546 km (0.119 R)
• M30: 4,266,531 km (0.065 R)
• M31: 4,450,836 km (0.097 R)
• M32: 4,786,234 km (0.045 R)
• M33: 4,854,301 km (0.106 R)
• M34: 4,950,194 km (0.098 R)
• M35: 5,116,098 km (0.05 R)
• M36: 5,213,635 km (0.11 R)
• M37: 5,297,859 km (0.103 R)
• M38: 5,424,868 km (0.1 R)
• M39: 5,524,350 km (0.112 R)
• M40: 5,638,942 km (0.116 R)
• M41: 5,768,793 km (0.047 R)
• M42: 5,928,713 km (0.038 R)
• M43: 5,987,206 km (0.108 R)
• M44: 6,075,469 km (0.082 R)
• M45: 6,149,220 km (0.047 R)
• M46: 6,447,519 km (0.057 R)
• M47: 6,538,025 km (0.115 R)
• M48: 6,643,941 km (0.078 R)
• M49: 6,735,345 km (0.085 R)
• M50: 6,919,350 km (0.103 R)
• M51: 7,167,084 km (0.056 R)
• M52: 7,449,525 km (0.086 R)
• M53: 7,912,082 km (0.077 R)
• M54: 8,089,954 km (0.117 R)
• M55: 8,269,321 km (0.071 R)
• M56: 8,449,886 km (0.083 R)
• M57: 8,615,192 km (0.097 R)
• M58: 9,016,264 km (0.079 R)
• M59: 9,151,351 km (0.088 R)
• M60: 9,423,469 km (0.1 R)
• M61: 9,888,718 km (0.103 R)
• M62: 10,028,144 km (0.074 R)
• M63: 10,098,006 km (0.094 R)
• M64: 10,168,018 km (0.102 R)
• M65: 10,450,010 km (0.076 R)
• M66: 10,538,572 km (0.053 R)
• M67: 10,788,101 km (0.106 R)
• M68: 10,859,758 km (0.038 R)
• M69: 11,292,844 km (0.06 R)
• M70: 11,383,949 km (0.061 R)
• M71: 11,475,054 km (0.046 R)
• M72: 11,676,563 km (0.085 R)
• M73: 11,805,516 km (0.104 R)
• M74: 12,046,069 km (0.076 R)
• M75: 12,176,219 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.5

Radius: 10

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.47 AU - 3.49 AU

Year: 4192 Days

Day: 6.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 52,573,160 km

• M1: 153,936 km (0.08 R)
• M2: 246,986 km (0.095 R)
• M3: 338,839 km (0.1 R)
• M4: 471,233 km (0.114 R)
• M5: 642,373 km (0.117 R)
• M6: 721,062 km (0.097 R)
• M7: 845,677 km (0.073 R)
• M8: 910,901 km (0.118 R)
• M9: 1,214,436 km (0.069 R)
• M10: 1,301,501 km (0.106 R)
• M11: 1,390,961 km (0.029 R)
• M12: 1,603,240 km (0.074 R)
• M13: 1,741,469 km (0.071 R)
• M14: 1,970,802 km (0.11 R)
• M15: 2,134,462 km (0.082 R)
• M16: 2,318,019 km (0.068 R)
• M17: 2,427,525 km (0.063 R)
• M18: 2,603,153 km (0.072 R)
• M19: 2,684,534 km (0.094 R)
• M20: 2,967,274 km (0.067 R)
• M21: 3,207,378 km (0.085 R)
• M22: 3,400,659 km (0.106 R)
• M23: 3,525,573 km (0.074 R)
• M24: 3,597,679 km (0.037 R)
• M25: 3,909,740 km (0.117 R)
• M26: 4,154,333 km (0.094 R)
• M27: 4,501,250 km (0.079 R)
• M28: 5,264,349 km (0.075 R)
• M29: 5,388,665 km (0.028 R)
• M30: 5,471,991 km (0.095 R)
• M31: 5,766,998 km (0.102 R)
• M32: 6,089,082 km (0.105 R)
• M33: 6,219,531 km (0.109 R)
• M34: 6,285,055 km (0.099 R)
• M35: 6,930,869 km (0.07 R)
• M36: 7,181,446 km (0.115 R)
• M37: 7,342,413 km (0.082 R)
• M38: 7,411,827 km (0.051 R)
• M39: 7,481,390 km (0.069 R)
• M40: 7,714,912 km (0.067 R)
• M41: 7,903,555 km (0.084 R)
• M42: 8,237,158 km (0.106 R)
• M43: 9,091,661 km (0.056 R)
• M44: 9,974,139 km (0.091 R)
• M45: 10,308,789 km (0.118 R)
• M46: 10,438,491 km (0.074 R)
• M47: 10,621,150 km (0.082 R)
• M48: 10,804,706 km (0.093 R)
• M49: 11,415,514 km (0.117 R)
• M50: 11,522,776 km (0.103 R)
• M51: 11,765,573 km (0.06 R)
• M52: 11,874,032 km (0.069 R)
• M53: 12,531,814 km (0.116 R)
• M54: 12,670,341 km (0.112 R)
• M55: 12,976,867 km (0.09 R)
• M56: 13,427,157 km (0.084 R)
• M57: 14,256,378 km (0.102 R)
• M58: 14,750,200 km (0.064 R)
• M59: 15,043,263 km (0.063 R)
• M60: 15,784,371 km (0.081 R)
• M61: 16,385,904 km (0.072 R)
• M62: 16,476,859 km (0.043 R)
• M63: 16,598,183 km (0.096 R)
• M64: 16,872,545 km (0.081 R)
• M65: 17,704,459 km (0.094 R)
• M66: 18,015,922 km (0.12 R)
• M67: 18,360,745 km (0.116 R)
• M68: 18,929,666 km (0.073 R)
• M69: 19,568,449 km (0.105 R)
• M70: 19,922,846 km (0.09 R)
• M71: 20,344,562 km (0.068 R)
• M72: 20,540,087 km (0.069 R)
• M73: 22,093,511 km (0.074 R)
• M74: 22,294,571 km (0.089 R)
• M75: 22,428,910 km (0.079 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.4

Radius: 13.3

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 3.18 AU - 5.28 AU

Year: 5617 Days

Day: 7.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 52,573,160 km

• M1: 237,861 km (0.092 R)
• M2: 370,255 km (0.07 R)
• M3: 468,989 km (0.109 R)
• M4: 701,913 km (0.116 R)
• M5: 845,228 km (0.079 R)
• M6: 939,026 km (0.044 R)
• M7: 1,310,627 km (0.12 R)
• M8: 1,393,355 km (0.056 R)
• M9: 1,492,388 km (0.115 R)
• M10: 1,960,181 km (0.119 R)
• M11: 2,137,155 km (0.094 R)
• M12: 2,559,470 km (0.06 R)
• M13: 2,700,242 km (0.083 R)
• M14: 2,898,160 km (0.034 R)
• M15: 3,289,657 km (0.087 R)
• M16: 3,560,130 km (0.109 R)
• M17: 3,878,175 km (0.057 R)
• M18: 4,061,283 km (0.071 R)
• M19: 4,330,858 km (0.103 R)
• M20: 4,436,175 km (0.045 R)
• M21: 4,822,287 km (0.118 R)
• M22: 4,997,466 km (0.082 R)
• M23: 5,512,981 km (0.105 R)
• M24: 5,742,464 km (0.053 R)
• M25: 5,951,751 km (0.063 R)
• M26: 6,570,488 km (0.07 R)
• M27: 6,765,115 km (0.08 R)
• M28: 6,863,102 km (0.076 R)
• M29: 7,587,903 km (0.059 R)
• M30: 7,740,942 km (0.105 R)
• M31: 7,843,566 km (0.099 R)
• M32: 8,707,344 km (0.047 R)
• M33: 8,921,269 km (0.071 R)
• M34: 9,028,979 km (0.071 R)
• M35: 9,464,010 km (0.097 R)
• M36: 10,326,292 km (0.096 R)
• M37: 10,524,509 km (0.12 R)
• M38: 10,666,777 km (0.085 R)
• M39: 10,752,497 km (0.076 R)
• M40: 11,446,631 km (0.087 R)
• M41: 12,756,659 km (0.115 R)
• M42: 13,183,462 km (0.095 R)
• M43: 13,615,052 km (0.1 R)
• M44: 13,863,683 km (0.12 R)
• M45: 14,176,642 km (0.094 R)
• M46: 14,555,424 km (0.074 R)
• M47: 14,969,361 km (0.115 R)
• M48: 15,581,516 km (0.11 R)
• M49: 15,809,054 km (0.065 R)
• M50: 15,906,891 km (0.079 R)
• M51: 16,267,572 km (0.026 R)
• M52: 16,697,217 km (0.102 R)
• M53: 17,030,222 km (0.105 R)
• M54: 17,264,791 km (0.095 R)
• M55: 17,702,963 km (0.118 R)
• M56: 18,042,700 km (0.078 R)
• M57: 19,213,603 km (0.112 R)
• M58: 19,527,608 km (0.105 R)
• M59: 20,090,246 km (0.102 R)
• M60: 20,302,525 km (0.044 R)
• M61: 20,908,247 km (0.118 R)
• M62: 21,303,335 km (0.102 R)
• M63: 21,519,953 km (0.101 R)
• M64: 21,664,764 km (0.107 R)
• M65: 22,246,999 km (0.085 R)
• M66: 22,982,272 km (0.113 R)
• M67: 23,130,224 km (0.115 R)
• M68: 23,800,124 km (0.105 R)
• M69: 23,912,472 km (0.09 R)
• M70: 24,100,067 km (0.088 R)
• M71: 24,287,962 km (0.069 R)
• M72: 24,438,757 km (0.105 R)
• M73: 24,589,851 km (0.112 R)
• M74: 25,235,366 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 202.5

Radius: 3.4

Gravity: 17.52 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 9.48 AU - 10.98 AU

Year: 21127 Days

Day: 21.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 52,573,160 km

• M1: 225,444 km (0.096 R)
• M2: 249,978 km (0.036 R)
• M3: 510,727 km (0.09 R)
• M4: 629,657 km (0.07 R)
• M5: 665,112 km (0.079 R)
• M6: 1,099,694 km (0.031 R)
• M7: 1,508,096 km (0.104 R)
• M8: 1,629,270 km (0.116 R)
• M9: 1,728,454 km (0.057 R)
• M10: 1,906,774 km (0.109 R)
• M11: 2,011,194 km (0.103 R)
• M12: 2,676,904 km (0.098 R)
• M13: 3,499,244 km (0.066 R)
• M14: 3,531,108 km (0.053 R)
• M15: 3,920,960 km (0.079 R)
• M16: 4,053,953 km (0.089 R)
• M17: 4,531,020 km (0.119 R)
• M18: 4,565,727 km (0.101 R)
• M19: 6,569,291 km (0.114 R)
• M20: 6,687,623 km (0.076 R)
• M21: 7,046,808 km (0.102 R)
• M22: 7,412,126 km (0.072 R)
• M23: 7,783,727 km (0.109 R)
• M24: 8,501,946 km (0.079 R)
• M25: 9,021,500 km (0.108 R)
• M26: 9,506,795 km (0.079 R)
• M27: 9,955,290 km (0.093 R)
• M28: 10,779,873 km (0.114 R)
• M29: 10,826,398 km (0.094 R)
• M30: 11,012,797 km (0.107 R)
• M31: 11,436,308 km (0.081 R)
• M32: 11,531,153 km (0.071 R)
• M33: 12,542,285 km (0.104 R)
• M34: 14,391,764 km (0.115 R)
• M35: 14,596,863 km (0.114 R)
• M36: 14,648,175 km (0.045 R)
• M37: 15,113,574 km (0.117 R)
• M38: 15,321,814 km (0.082 R)
• M39: 15,583,610 km (0.108 R)
• M40: 15,636,119 km (0.1 R)
• M41: 15,688,777 km (0.118 R)
• M42: 15,794,094 km (0.074 R)
• M43: 16,058,583 km (0.09 R)
• M44: 16,860,578 km (0.027 R)
• M45: 17,293,663 km (0.09 R)
• M46: 17,348,117 km (0.045 R)
• M47: 17,457,024 km (0.105 R)
• M48: 17,675,587 km (0.115 R)
• M49: 18,838,112 km (0.11 R)
• M50: 18,894,061 km (0.082 R)
• M51: 19,287,354 km (0.108 R)
• M52: 19,513,397 km (0.095 R)
• M53: 20,253,757 km (0.094 R)
• M54: 20,311,053 km (0.094 R)
• M55: 22,174,144 km (0.098 R)
• M56: 22,351,717 km (0.112 R)
• M57: 23,426,279 km (0.055 R)
• M58: 23,546,705 km (0.061 R)
• M59: 23,909,180 km (0.052 R)
• M60: 24,212,715 km (0.09 R)
• M61: 25,439,417 km (0.073 R)
• M62: 25,873,550 km (0.096 R)
• M63: 26,686,315 km (0.025 R)
• M64: 28,336,829 km (0.066 R)
• M65: 28,529,361 km (0.106 R)
• M66: 28,786,669 km (0.061 R)
• M67: 29,823,981 km (0.092 R)
• M68: 29,954,580 km (0.093 R)
• M69: 30,610,118 km (0.09 R)
• M70: 31,602,101 km (0.096 R)
• M71: 32,470,367 km (0.074 R)
• M72: 33,821,386 km (0.065 R)
• M73: 34,093,804 km (0.118 R)
• M74: 34,778,064 km (0.106 R)
• M75: 35,259,769 km (0.08 R)
• M76: 36,717,900 km (0.052 R)
• M77: 36,857,774 km (0.074 R)
• M78: 37,771,368 km (0.114 R)
• M79: 40,991,013 km (0.069 R)
• M80: 41,281,383 km (0.108 R)
• M81: 41,426,792 km (0.063 R)
• M82: 43,111,862 km (0.106 R)
• M83: 43,185,614 km (0.045 R)
• M84: 43,999,875 km (0.032 R)
• M85: 45,343,264 km (0.101 R)
• M86: 46,246,237 km (0.027 R)
• M87: 46,397,331 km (0.077 R)
• M88: 47,155,044 km (0.117 R)
• M89: 47,383,181 km (0.079 R)
• M90: 48,452,806 km (0.09 R)
• M91: 48,836,674 km (0.105 R)
• M92: 51,239,365 km (0.032 R)
• M93: 52,022,510 km (0.109 R)
• M94: 52,179,737 km (0.117 R)
• M95: 52,415,653 km (0.059 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 170 - 12,452 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit