🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.62 AU - 0.88 AU

Year: 242 Days

Day: 41.1 Hours

Environment

Temp: 154 °C

Axial Tilt: 31.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.76 AU - 1.16 AU

Year: 351 Days

Day: 33.9 Hours

Environment

Temp: 15 °C

Axial Tilt: 47.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.78 AU - 1.16 AU

Year: 356 Days

Day: 16.8 Hours

Environment

Temp: 18 °C

Axial Tilt: 21.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.7 AU - 2.06 AU

Year: 961 Days

Day: 20.3 Hours

Environment

Temp: -70 °C

Axial Tilt: 22.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,260,370 km

• M1: 565,031 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.5

Radius: 11.8

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 4.18 AU - 6.4 AU

Year: 4536 Days

Day: 14.6 Hours

Environment

Temp: -141 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 55,260,370 km

• M1: 177,573 km (0.117 R)
• M2: 463,903 km (0.062 R)
• M3: 549,772 km (0.113 R)
• M4: 631,602 km (0.092 R)
• M5: 763,548 km (0.11 R)
• M6: 917,783 km (0.108 R)
• M7: 992,731 km (0.117 R)
• M8: 1,203,664 km (0.026 R)
• M9: 1,329,027 km (0.064 R)
• M10: 1,608,626 km (0.078 R)
• M11: 1,700,928 km (0.108 R)
• M12: 1,779,317 km (0.111 R)
• M13: 2,055,176 km (0.04 R)
• M14: 2,344,947 km (0.094 R)
• M15: 2,503,820 km (0.047 R)
• M16: 2,648,032 km (0.054 R)
• M17: 2,851,036 km (0.117 R)
• M18: 3,796,345 km (0.09 R)
• M19: 4,068,164 km (0.109 R)
• M20: 4,238,556 km (0.05 R)
• M21: 4,455,025 km (0.115 R)
• M22: 4,542,689 km (0.095 R)
• M23: 4,876,442 km (0.111 R)
• M24: 5,380,437 km (0.112 R)
• M25: 5,949,507 km (0.114 R)
• M26: 7,454,611 km (0.058 R)
• M27: 7,663,899 km (0.089 R)
• M28: 7,742,887 km (0.117 R)
• M29: 7,954,867 km (0.089 R)
• M30: 8,276,502 km (0.118 R)
• M31: 9,210,741 km (0.083 R)
• M32: 9,435,586 km (0.103 R)
• M33: 9,633,654 km (0.097 R)
• M34: 9,747,498 km (0.085 R)
• M35: 10,615,615 km (0.11 R)
• M36: 10,703,728 km (0.059 R)
• M37: 10,792,140 km (0.05 R)
• M38: 11,268,011 km (0.036 R)
• M39: 11,538,633 km (0.037 R)
• M40: 11,994,458 km (0.052 R)
• M41: 12,116,979 km (0.057 R)
• M42: 12,270,765 km (0.066 R)
• M43: 12,642,516 km (0.097 R)
• M44: 13,780,058 km (0.109 R)
• M45: 13,972,740 km (0.116 R)
• M46: 14,166,470 km (0.088 R)
• M47: 14,589,084 km (0.114 R)
• M48: 14,785,655 km (0.103 R)
• M49: 15,048,947 km (0.106 R)
• M50: 15,148,131 km (0.111 R)
• M51: 16,219,401 km (0.044 R)
• M52: 16,389,045 km (0.096 R)
• M53: 18,860,402 km (0.066 R)
• M54: 19,325,352 km (0.101 R)
• M55: 19,541,222 km (0.08 R)
• M56: 19,649,531 km (0.108 R)
• M57: 21,000,998 km (0.118 R)
• M58: 21,148,801 km (0.106 R)
• M59: 22,043,545 km (0.116 R)
• M60: 22,156,193 km (0.047 R)
• M61: 22,988,705 km (0.025 R)
• M62: 23,064,850 km (0.12 R)
• M63: 24,101,563 km (0.033 R)
• M64: 24,178,905 km (0.059 R)
• M65: 24,684,097 km (0.051 R)
• M66: 25,074,997 km (0.098 R)
• M67: 25,231,925 km (0.118 R)
• M68: 25,507,335 km (0.049 R)
• M69: 25,665,160 km (0.082 R)
• M70: 25,981,859 km (0.091 R)
• M71: 26,899,492 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.9

Radius: 14.6

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 5.1 AU - 7.24 AU

Year: 5713 Days

Day: 13.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 55,260,370 km

• M1: 184,604 km (0.106 R)
• M2: 304,731 km (0.045 R)
• M3: 407,804 km (0.071 R)
• M4: 563,086 km (0.1 R)
• M5: 756,068 km (0.107 R)
• M6: 987,944 km (0.109 R)
• M7: 1,105,827 km (0.098 R)
• M8: 1,292,526 km (0.118 R)
• M9: 1,627,924 km (0.117 R)
• M10: 1,935,198 km (0.12 R)
• M11: 2,029,295 km (0.1 R)
• M12: 2,144,485 km (0.061 R)
• M13: 2,301,414 km (0.059 R)
• M14: 2,462,381 km (0.047 R)
• M15: 2,648,032 km (0.093 R)
• M16: 2,795,835 km (0.115 R)
• M17: 2,924,788 km (0.107 R)
• M18: 3,233,408 km (0.075 R)
• M19: 3,669,636 km (0.1 R)
• M20: 4,247,532 km (0.114 R)
• M21: 4,522,194 km (0.055 R)
• M22: 4,674,485 km (0.117 R)
• M23: 4,906,212 km (0.103 R)
• M24: 5,010,332 km (0.072 R)
• M25: 5,678,586 km (0.108 R)
• M26: 6,432,110 km (0.096 R)
• M27: 6,806,105 km (0.051 R)
• M28: 7,039,926 km (0.035 R)
• M29: 7,306,210 km (0.079 R)
• M30: 7,455,509 km (0.108 R)
• M31: 9,423,469 km (0.059 R)
• M32: 9,815,864 km (0.095 R)
• M33: 9,947,810 km (0.107 R)
• M34: 10,113,564 km (0.077 R)
• M35: 10,414,405 km (0.064 R)
• M36: 10,684,280 km (0.114 R)
• M37: 10,888,182 km (0.108 R)
• M38: 11,300,025 km (0.087 R)
• M39: 11,577,379 km (0.098 R)
• M40: 11,856,978 km (0.036 R)
• M41: 12,174,275 km (0.082 R)
• M42: 12,351,698 km (0.1 R)
• M43: 12,565,922 km (0.096 R)
• M44: 12,817,246 km (0.117 R)
• M45: 13,179,273 km (0.07 R)
• M46: 13,434,786 km (0.074 R)
• M47: 14,173,650 km (0.049 R)
• M48: 14,736,587 km (0.085 R)
• M49: 15,536,936 km (0.073 R)
• M50: 16,508,275 km (0.098 R)
• M51: 16,744,340 km (0.108 R)
• M52: 17,140,176 km (0.112 R)
• M53: 17,339,291 km (0.119 R)
• M54: 18,143,529 km (0.069 R)
• M55: 18,305,843 km (0.087 R)
• M56: 19,663,294 km (0.049 R)
• M57: 20,459,454 km (0.038 R)
• M58: 22,126,871 km (0.11 R)
• M59: 23,130,524 km (0.109 R)
• M60: 23,262,618 km (0.095 R)
• M61: 23,793,093 km (0.086 R)
• M62: 24,104,555 km (0.046 R)
• M63: 24,956,515 km (0.05 R)
• M64: 25,772,721 km (0.119 R)
• M65: 26,092,412 km (0.081 R)
• M66: 26,184,115 km (0.089 R)
• M67: 26,735,982 km (0.118 R)
• M68: 26,874,659 km (0.068 R)
• M69: 27,664,386 km (0.065 R)
• M70: 27,945,032 km (0.086 R)
• M71: 28,038,830 km (0.099 R)
• M72: 28,226,575 km (0.11 R)
• M73: 28,887,199 km (0.056 R)
• M74: 30,512,730 km (0.089 R)
• M75: 31,287,946 km (0.031 R)
• M76: 32,167,731 km (0.116 R)
• M77: 32,660,058 km (0.106 R)
• M78: 33,254,260 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.5

Radius: 11.2

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 9.45 AU - 10.29 AU

Year: 11559 Days

Day: 9.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 55,260,370 km

• M1: 161,865 km (0.096 R)
• M2: 354,996 km (0.099 R)
• M3: 444,006 km (0.082 R)
• M4: 732,431 km (0.11 R)
• M5: 853,755 km (0.095 R)
• M6: 1,653,655 km (0.062 R)
• M7: 2,059,963 km (0.062 R)
• M8: 2,365,591 km (0.103 R)
• M9: 2,963,683 km (0.076 R)
• M10: 3,048,805 km (0.119 R)
• M11: 3,368,046 km (0.104 R)
• M12: 3,457,057 km (0.113 R)
• M13: 5,053,715 km (0.077 R)
• M14: 5,190,149 km (0.058 R)
• M15: 5,642,383 km (0.071 R)
• M16: 6,510,350 km (0.07 R)
• M17: 6,696,449 km (0.096 R)
• M18: 6,922,043 km (0.075 R)
• M19: 6,997,889 km (0.104 R)
• M20: 7,303,817 km (0.113 R)
• M21: 7,381,009 km (0.096 R)
• M22: 7,497,247 km (0.108 R)
• M23: 7,731,667 km (0.031 R)
• M24: 7,928,837 km (0.028 R)
• M25: 8,288,021 km (0.069 R)
• M26: 8,368,505 km (0.057 R)
• M27: 8,816,251 km (0.112 R)
• M28: 9,271,777 km (0.054 R)
• M29: 9,397,289 km (0.084 R)
• M30: 9,481,363 km (0.083 R)
• M31: 9,777,567 km (0.065 R)
• M32: 10,076,613 km (0.113 R)
• M33: 10,162,782 km (0.1 R)
• M34: 11,979,947 km (0.109 R)
• M35: 12,071,052 km (0.101 R)
• M36: 13,656,640 km (0.118 R)
• M37: 14,328,484 km (0.065 R)
• M38: 16,004,429 km (0.1 R)
• M39: 16,407,894 km (0.062 R)
• M40: 16,559,886 km (0.056 R)
• M41: 18,527,098 km (0.106 R)
• M42: 19,216,894 km (0.043 R)
• M43: 20,457,958 km (0.079 R)
• M44: 21,060,687 km (0.069 R)
• M45: 21,836,203 km (0.118 R)
• M46: 22,790,488 km (0.098 R)
• M47: 22,960,281 km (0.034 R)
• M48: 23,187,371 km (0.094 R)
• M49: 23,358,062 km (0.061 R)
• M50: 24,797,642 km (0.033 R)
• M51: 25,851,858 km (0.086 R)
• M52: 26,206,405 km (0.101 R)
• M53: 26,562,748 km (0.106 R)
• M54: 26,801,207 km (0.119 R)
• M55: 27,460,484 km (0.053 R)
• M56: 28,124,998 km (0.098 R)
• M57: 28,489,867 km (0.104 R)
• M58: 28,917,418 km (0.051 R)
• M59: 29,840,736 km (0.106 R)
• M60: 30,026,537 km (0.101 R)
• M61: 31,969,215 km (0.114 R)
• M62: 32,222,783 km (0.046 R)
• M63: 33,243,938 km (0.112 R)
• M64: 33,372,443 km (0.096 R)
• M65: 33,629,601 km (0.099 R)
• M66: 35,449,011 km (0.103 R)
• M67: 35,645,881 km (0.108 R)
• M68: 36,172,616 km (0.098 R)
• M69: 36,834,586 km (0.101 R)
• M70: 37,100,422 km (0.091 R)
• M71: 37,901,967 km (0.091 R)
• M72: 38,036,156 km (0.083 R)
• M73: 38,237,665 km (0.085 R)
• M74: 38,372,153 km (0.115 R)
• M75: 39,794,380 km (0.104 R)
• M76: 40,477,743 km (0.085 R)
• M77: 40,683,440 km (0.111 R)
• M78: 40,958,401 km (0.034 R)
• M79: 41,994,665 km (0.076 R)
• M80: 42,133,492 km (0.117 R)
• M81: 42,411,595 km (0.101 R)
• M82: 44,022,465 km (0.065 R)
• M83: 44,234,146 km (0.099 R)
• M84: 44,941,893 km (0.117 R)
• M85: 46,440,415 km (0.105 R)
• M86: 47,159,682 km (0.04 R)
• M87: 48,536,580 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 104.9

Radius: 7.9

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 18.13 AU - 20.49 AU

Year: 31632 Days

Day: 15.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 55,260,370 km

• M1: 231,428 km (0.106 R)
• M2: 290,669 km (0.117 R)
• M3: 444,006 km (0.067 R)
• M4: 523,144 km (0.088 R)
• M5: 642,523 km (0.091 R)
• M6: 752,328 km (0.091 R)
• M7: 1,164,021 km (0.119 R)
• M8: 1,465,311 km (0.1 R)
• M9: 1,816,567 km (0.053 R)
• M10: 2,277,628 km (0.03 R)
• M11: 2,864,799 km (0.1 R)
• M12: 3,270,957 km (0.078 R)
• M13: 3,529,762 km (0.12 R)
• M14: 4,136,531 km (0.099 R)
• M15: 4,523,241 km (0.104 R)
• M16: 4,811,816 km (0.072 R)
• M17: 5,032,024 km (0.12 R)
• M18: 5,520,909 km (0.072 R)
• M19: 5,712,993 km (0.118 R)
• M20: 6,222,523 km (0.111 R)
• M21: 6,382,294 km (0.083 R)
• M22: 6,746,714 km (0.082 R)
• M23: 8,623,868 km (0.099 R)
• M24: 8,891,798 km (0.082 R)
• M25: 9,344,182 km (0.092 R)
• M26: 10,130,469 km (0.104 R)
• M27: 10,318,663 km (0.088 R)
• M28: 10,698,342 km (0.076 R)
• M29: 11,667,437 km (0.11 R)
• M30: 11,815,240 km (0.066 R)
• M31: 12,613,943 km (0.098 R)
• M32: 14,368,427 km (0.119 R)
• M33: 14,421,235 km (0.097 R)
• M34: 16,033,601 km (0.093 R)
• M35: 16,805,526 km (0.08 R)
• M36: 17,364,274 km (0.09 R)
• M37: 17,589,418 km (0.097 R)
• M38: 18,042,850 km (0.063 R)
• M39: 18,156,694 km (0.108 R)
• M40: 18,328,133 km (0.114 R)
• M41: 18,845,293 km (0.109 R)
• M42: 20,782,735 km (0.047 R)
• M43: 21,322,185 km (0.088 R)
• M44: 21,805,386 km (0.109 R)
• M45: 23,029,246 km (0.112 R)
• M46: 23,961,839 km (0.11 R)
• M47: 24,275,396 km (0.119 R)
• M48: 24,401,208 km (0.101 R)
• M49: 25,160,567 km (0.096 R)
• M50: 25,351,753 km (0.105 R)
• M51: 25,927,854 km (0.073 R)
• M52: 26,185,312 km (0.047 R)
• M53: 26,702,622 km (0.087 R)
• M54: 27,158,147 km (0.111 R)
• M55: 27,485,168 km (0.042 R)
• M56: 27,681,889 km (0.035 R)
• M57: 28,010,855 km (0.102 R)
• M58: 30,214,880 km (0.073 R)
• M59: 31,852,379 km (0.092 R)
• M60: 32,543,222 km (0.108 R)
• M61: 33,029,714 km (0.084 R)
• M62: 33,099,426 km (0.102 R)
• M63: 33,238,852 km (0.094 R)
• M64: 33,378,576 km (0.099 R)
• M65: 33,588,612 km (0.12 R)
• M66: 33,658,623 km (0.079 R)
• M67: 35,212,945 km (0.115 R)
• M68: 35,498,079 km (0.075 R)
• M69: 35,855,468 km (0.115 R)
• M70: 38,025,086 km (0.041 R)
• M71: 38,390,853 km (0.117 R)
• M72: 38,610,911 km (0.056 R)
• M73: 40,609,688 km (0.045 R)
• M74: 40,759,137 km (0.037 R)
• M75: 41,659,267 km (0.102 R)
• M76: 42,263,044 km (0.051 R)
• M77: 42,414,437 km (0.116 R)
• M78: 44,861,260 km (0.08 R)
• M79: 45,092,987 km (0.115 R)
• M80: 45,868,353 km (0.027 R)
• M81: 49,570,900 km (0.078 R)
• M82: 49,810,556 km (0.11 R)
• M83: 50,210,581 km (0.053 R)
• M84: 50,531,468 km (0.06 R)
• M85: 52,552,535 km (0.098 R)
• M86: 53,695,762 km (0.103 R)
• M87: 54,352,646 km (0.118 R)
• M88: 54,517,354 km (0.059 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 549 - 13,744 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit