🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.8 AU - 1.22 AU

Year: 367 Days

Day: 47.7 Hours

Environment

Temp: 36 °C

Axial Tilt: 36.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.29 AU - 2.13 AU

Year: 809 Days

Day: 14.2 Hours

Environment

Temp: -50 °C

Axial Tilt: 42.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.6 AU - 3.46 AU

Year: 1907 Days

Day: 22.8 Hours

Environment

Temp: -102 °C

Axial Tilt: 4.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 64,379,313 km

• M1: 160,219 km (0.116 R)
• M2: 2,080,757 km (0.117 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.21 AU - 4.67 AU

Year: 2828 Days

Day: 23.3 Hours

Environment

Temp: -121 °C

Axial Tilt: 22.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,379,313 km

• M1: 2,117,408 km (0.105 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.94 AU - 4.8 AU

Year: 3304 Days

Day: 12.3 Hours

Environment

Temp: -125 °C

Axial Tilt: 26.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 4 AU - 4.96 AU

Year: 3429 Days

Day: 38.4 Hours

Environment

Temp: -125 °C

Axial Tilt: 39.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 64,379,313 km

• M1: 2,552,738 km (0.118 R)
• M2: 3,189,127 km (0.119 R)

Asteroid Belt

Center: 10.01 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 15.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 947.1

Radius: 5

Gravity: 37.88 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 13.08 AU - 17.98 AU

Year: 22133 Days

Day: 22.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 64,379,313 km

• M1: 70,311 km (0.112 R)
• M2: 245,640 km (0.114 R)
• M3: 399,127 km (0.113 R)
• M4: 533,167 km (0.092 R)
• M5: 605,423 km (0.089 R)
• M6: 1,015,321 km (0.053 R)
• M7: 2,036,476 km (0.086 R)
• M8: 3,413,823 km (0.106 R)
• M9: 3,504,779 km (0.095 R)
• M10: 3,642,708 km (0.105 R)
• M11: 3,782,582 km (0.086 R)
• M12: 4,067,417 km (0.118 R)
• M13: 4,310,214 km (0.098 R)
• M14: 4,657,879 km (0.088 R)
• M15: 5,274,671 km (0.072 R)
• M16: 5,700,128 km (0.084 R)
• M17: 6,414,607 km (0.119 R)
• M18: 6,640,201 km (0.11 R)
• M19: 7,508,916 km (0.038 R)
• M20: 8,474,121 km (0.117 R)
• M21: 8,721,556 km (0.057 R)
• M22: 9,160,326 km (0.066 R)
• M23: 9,414,194 km (0.102 R)
• M24: 11,052,739 km (0.075 R)
• M25: 11,458,898 km (0.079 R)
• M26: 11,527,114 km (0.113 R)
• M27: 12,077,335 km (0.092 R)
• M28: 14,583,399 km (0.106 R)
• M29: 14,731,351 km (0.115 R)
• M30: 15,932,472 km (0.098 R)
• M31: 17,164,860 km (0.099 R)
• M32: 17,792,423 km (0.111 R)
• M33: 18,108,972 km (0.091 R)
• M34: 18,908,572 km (0.119 R)
• M35: 20,542,181 km (0.058 R)
• M36: 22,732,294 km (0.112 R)
• M37: 23,507,660 km (0.097 R)
• M38: 23,942,092 km (0.069 R)
• M39: 24,730,622 km (0.054 R)
• M40: 25,172,535 km (0.031 R)
• M41: 25,349,958 km (0.116 R)
• M42: 26,784,452 km (0.117 R)
• M43: 26,875,108 km (0.087 R)
• M44: 27,329,287 km (0.095 R)
• M45: 28,429,579 km (0.07 R)
• M46: 28,985,186 km (0.083 R)
• M47: 30,484,306 km (0.055 R)
• M48: 31,816,625 km (0.105 R)
• M49: 32,876,526 km (0.046 R)
• M50: 33,070,554 km (0.095 R)
• M51: 35,229,251 km (0.043 R)
• M52: 36,928,234 km (0.096 R)
• M53: 37,838,537 km (0.055 R)
• M54: 37,940,114 km (0.079 R)
• M55: 38,041,841 km (0.044 R)
• M56: 38,245,444 km (0.084 R)
• M57: 39,681,134 km (0.059 R)
• M58: 40,198,145 km (0.03 R)
• M59: 40,717,249 km (0.069 R)
• M60: 42,288,176 km (0.061 R)
• M61: 42,816,257 km (0.089 R)
• M62: 42,922,172 km (0.074 R)
• M63: 43,134,152 km (0.104 R)
• M64: 43,240,367 km (0.094 R)
• M65: 46,030,068 km (0.118 R)
• M66: 46,682,165 km (0.053 R)
• M67: 49,765,078 km (0.111 R)
• M68: 50,210,730 km (0.116 R)
• M69: 51,330,919 km (0.084 R)
• M70: 51,443,417 km (0.042 R)
• M71: 51,668,561 km (0.107 R)
• M72: 52,007,101 km (0.078 R)
• M73: 52,120,048 km (0.05 R)
• M74: 54,855,594 km (0.05 R)
• M75: 57,403,845 km (0.094 R)
• M76: 58,340,028 km (0.108 R)
• M77: 59,045,382 km (0.052 R)
• M78: 59,517,363 km (0.041 R)
• M79: 59,635,546 km (0.044 R)
• M80: 60,108,873 km (0.117 R)
• M81: 60,940,338 km (0.117 R)
• M82: 61,178,648 km (0.115 R)
• M83: 61,656,164 km (0.089 R)
• M84: 64,061,997 km (0.075 R)
• M85: 64,425,520 km (0.107 R)
• M86: 65,764,271 km (0.08 R)
• M87: 67,851,311 km (0.029 R)
• M88: 69,835,278 km (0.054 R)
• M89: 72,341,940 km (0.113 R)
• M90: 72,973,243 km (0.101 R)
• M91: 74,495,700 km (0.066 R)
• M92: 75,516,407 km (0.071 R)
• M93: 75,900,424 km (0.114 R)
• M94: 76,541,900 km (0.09 R)
• M95: 76,798,909 km (0.106 R)
• M96: 82,790,304 km (0.114 R)
• M97: 87,717,310 km (0.053 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 268.1

Radius: 5.7

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 13.45 AU - 20.13 AU

Year: 24881 Days

Day: 19.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 64,379,313 km

• M1: 439,070 km (0.092 R)
• M2: 566,228 km (0.056 R)
• M3: 664,364 km (0.063 R)
• M4: 747,241 km (0.064 R)
• M5: 1,471,744 km (0.072 R)
• M6: 1,778,419 km (0.049 R)
• M7: 2,878,861 km (0.035 R)
• M8: 3,511,960 km (0.086 R)
• M9: 3,919,464 km (0.119 R)
• M10: 4,071,456 km (0.074 R)
• M11: 4,538,799 km (0.111 R)
• M12: 4,981,908 km (0.116 R)
• M13: 5,354,856 km (0.091 R)
• M14: 5,438,930 km (0.072 R)
• M15: 5,481,116 km (0.064 R)
• M16: 6,215,343 km (0.054 R)
• M17: 6,843,055 km (0.072 R)
• M18: 7,210,617 km (0.109 R)
• M19: 7,632,035 km (0.099 R)
• M20: 9,093,157 km (0.103 R)
• M21: 9,650,110 km (0.103 R)
• M22: 10,165,923 km (0.107 R)
• M23: 12,651,791 km (0.12 R)
• M24: 13,558,354 km (0.091 R)
• M25: 13,903,626 km (0.069 R)
• M26: 15,016,185 km (0.113 R)
• M27: 17,015,411 km (0.044 R)
• M28: 17,263,445 km (0.073 R)
• M29: 18,077,556 km (0.056 R)
• M30: 18,457,535 km (0.104 R)
• M31: 19,096,617 km (0.07 R)
• M32: 19,548,403 km (0.114 R)
• M33: 19,873,180 km (0.112 R)
• M34: 20,068,854 km (0.097 R)
• M35: 21,057,097 km (0.116 R)
• M36: 22,399,289 km (0.055 R)
• M37: 23,286,554 km (0.093 R)
• M38: 23,355,220 km (0.11 R)
• M39: 24,394,027 km (0.082 R)
• M40: 26,732,092 km (0.093 R)
• M41: 27,309,540 km (0.078 R)
• M42: 27,672,614 km (0.029 R)
• M43: 28,403,400 km (0.036 R)
• M44: 28,771,261 km (0.036 R)
• M45: 29,140,618 km (0.098 R)
• M46: 29,437,271 km (0.058 R)
• M47: 29,734,821 km (0.111 R)
• M48: 29,958,769 km (0.1 R)
• M49: 30,033,568 km (0.084 R)
• M50: 30,183,166 km (0.065 R)
• M51: 30,483,259 km (0.079 R)
• M52: 32,304,763 km (0.117 R)
• M53: 33,849,361 km (0.054 R)
• M54: 33,927,151 km (0.11 R)
• M55: 34,083,032 km (0.053 R)
• M56: 35,576,019 km (0.114 R)
• M57: 36,210,913 km (0.096 R)
• M58: 37,090,099 km (0.083 R)
• M59: 37,572,552 km (0.098 R)
• M60: 38,138,182 km (0.11 R)
• M61: 39,032,478 km (0.077 R)
• M62: 40,263,220 km (0.029 R)
• M63: 40,345,798 km (0.073 R)
• M64: 40,593,681 km (0.038 R)
• M65: 40,842,014 km (0.089 R)
• M66: 40,924,891 km (0.088 R)
• M67: 41,590,003 km (0.066 R)
• M68: 42,678,627 km (0.087 R)
• M69: 43,861,348 km (0.059 R)
• M70: 46,172,485 km (0.106 R)
• M71: 46,691,590 km (0.112 R)
• M72: 49,580,175 km (0.108 R)
• M73: 49,845,711 km (0.116 R)
• M74: 50,555,852 km (0.115 R)
• M75: 51,358,894 km (0.062 R)
• M76: 51,448,353 km (0.099 R)
• M77: 55,528,336 km (0.104 R)
• M78: 55,620,189 km (0.082 R)
• M79: 55,988,050 km (0.042 R)
• M80: 56,449,111 km (0.113 R)
• M81: 56,541,413 km (0.086 R)
• M82: 59,241,355 km (0.116 R)
• M83: 60,654,157 km (0.077 R)
• M84: 61,032,790 km (0.114 R)
• M85: 63,609,164 km (0.111 R)

Kuiper Belt

Range: 30.3 - 47.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 159 - 19,941 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit