🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.54 AU - 0.84 AU

Year: 218 Days

Day: 19.1 Hours

Environment

Temp: 156 °C

Axial Tilt: 23.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.79 AU - 1.09 AU

Year: 347 Days

Day: 34.4 Hours

Environment

Temp: 24 °C

Axial Tilt: 14.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.13 AU - 1.15 AU

Year: 464 Days

Day: 15.5 Hours

Environment

Temp: -1 °C

Axial Tilt: 13.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 20,306,562 km

• M1: 287,078 km (0.095 R)
• M2: 984,504 km (0.114 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.86 AU - 2.02 AU

Year: 1029 Days

Day: 40.4 Hours

Environment

Temp: -76 °C

Axial Tilt: 78.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.01 AU - 2.45 AU

Year: 1268 Days

Day: 42.7 Hours

Environment

Temp: -81 °C

Axial Tilt: 5.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.18 AU - 4.5 AU

Year: 2865 Days

Day: 13.6 Hours

Environment

Temp: -127 °C

Axial Tilt: 24.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.46 AU - 4.78 AU

Year: 3185 Days

Day: 15.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 7.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 20,306,562 km

• M1: 1,213,987 km (0.099 R)

Asteroid Belt

Center: 4.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.7

Radius: 11.2

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 4.25 AU - 6.73 AU

Year: 4898 Days

Day: 11.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 20,306,562 km

• M1: 144,512 km (0.051 R)
• M2: 251,025 km (0.11 R)
• M3: 376,687 km (0.117 R)
• M4: 598,541 km (0.112 R)
• M5: 732,880 km (0.025 R)
• M6: 824,135 km (0.045 R)
• M7: 919,578 km (0.094 R)
• M8: 1,092,663 km (0.11 R)
• M9: 1,229,844 km (0.086 R)
• M10: 1,438,533 km (0.053 R)
• M11: 1,800,261 km (0.117 R)
• M12: 2,287,501 km (0.069 R)
• M13: 2,877,964 km (0.113 R)
• M14: 3,070,795 km (0.047 R)
• M15: 3,290,106 km (0.08 R)
• M16: 3,582,869 km (0.059 R)
• M17: 4,242,296 km (0.091 R)
• M18: 4,736,269 km (0.066 R)
• M19: 4,938,974 km (0.108 R)
• M20: 5,170,701 km (0.107 R)
• M21: 6,105,089 km (0.116 R)
• M22: 6,605,943 km (0.045 R)
• M23: 7,294,392 km (0.077 R)
• M24: 7,528,962 km (0.094 R)
• M25: 7,855,683 km (0.091 R)
• M26: 8,247,630 km (0.062 R)
• M27: 8,369,552 km (0.068 R)
• M28: 8,615,341 km (0.089 R)
• M29: 9,082,386 km (0.096 R)
• M30: 9,461,916 km (0.12 R)
• M31: 9,589,672 km (0.06 R)
• M32: 9,685,864 km (0.045 R)
• M33: 10,631,921 km (0.093 R)
• M34: 11,915,919 km (0.082 R)
• M35: 12,123,112 km (0.079 R)
• M36: 13,212,634 km (0.069 R)
• M37: 13,391,403 km (0.104 R)
• M38: 13,463,060 km (0.112 R)
• M39: 13,787,239 km (0.107 R)
• M40: 13,895,997 km (0.082 R)
• M41: 14,480,326 km (0.047 R)
• M42: 14,701,432 km (0.06 R)
• M43: 15,672,920 km (0.112 R)
• M44: 15,938,008 km (0.107 R)
• M45: 16,742,246 km (0.093 R)
• M46: 16,858,184 km (0.073 R)
• M47: 17,246,690 km (0.069 R)
• M48: 18,350,124 km (0.114 R)
• M49: 18,509,745 km (0.101 R)
• M50: 18,629,572 km (0.109 R)
• M51: 18,950,759 km (0.067 R)
• M52: 19,031,243 km (0.11 R)
• M53: 19,639,208 km (0.048 R)
• M54: 19,802,270 km (0.032 R)
• M55: 19,965,930 km (0.107 R)
• M56: 20,873,989 km (0.095 R)
• M57: 21,040,492 km (0.114 R)
• M58: 21,249,330 km (0.087 R)
• M59: 21,416,880 km (0.071 R)
• M60: 21,668,952 km (0.05 R)
• M61: 21,753,326 km (0.082 R)
• M62: 21,837,699 km (0.06 R)
• M63: 21,964,408 km (0.112 R)
• M64: 23,938,651 km (0.11 R)
• M65: 24,375,327 km (0.066 R)
• M66: 25,256,609 km (0.1 R)
• M67: 25,567,473 km (0.105 R)
• M68: 26,733,439 km (0.038 R)
• M69: 27,413,959 km (0.083 R)
• M70: 27,733,500 km (0.094 R)
• M71: 29,209,882 km (0.077 R)
• M72: 29,303,081 km (0.098 R)
• M73: 29,536,304 km (0.045 R)
• M74: 29,723,302 km (0.12 R)
• M75: 29,816,950 km (0.092 R)
• M76: 30,145,617 km (0.062 R)
• M77: 30,664,422 km (0.085 R)
• M78: 30,853,813 km (0.106 R)
• M79: 31,091,225 km (0.061 R)
• M80: 31,233,791 km (0.087 R)
• M81: 31,663,137 km (0.077 R)
• M82: 32,142,449 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 848.8

Radius: 6.5

Gravity: 20.09 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 11.03 AU - 13.13 AU

Year: 15988 Days

Day: 24.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 20,306,562 km

• M1: 83,027 km (0.087 R)
• M2: 279,748 km (0.054 R)
• M3: 375,640 km (0.071 R)
• M4: 561,142 km (0.111 R)
• M5: 622,327 km (0.048 R)
• M6: 987,795 km (0.119 R)
• M7: 1,063,042 km (0.083 R)
• M8: 1,273,078 km (0.104 R)
• M9: 1,701,825 km (0.108 R)
• M10: 2,107,236 km (0.098 R)
• M11: 2,172,311 km (0.07 R)
• M12: 2,439,044 km (0.105 R)
• M13: 2,822,912 km (0.095 R)
• M14: 3,077,079 km (0.108 R)
• M15: 3,646,299 km (0.056 R)
• M16: 3,803,675 km (0.07 R)
• M17: 4,124,862 km (0.084 R)
• M18: 4,165,702 km (0.096 R)
• M19: 4,965,901 km (0.117 R)
• M20: 5,721,221 km (0.101 R)
• M21: 6,322,754 km (0.095 R)
• M22: 6,559,418 km (0.118 R)
• M23: 6,944,333 km (0.058 R)
• M24: 8,193,475 km (0.117 R)
• M25: 8,869,957 km (0.105 R)
• M26: 9,295,264 km (0.096 R)
• M27: 10,331,678 km (0.086 R)
• M28: 11,118,413 km (0.058 R)
• M29: 12,511,768 km (0.089 R)
• M30: 13,592,313 km (0.107 R)
• M31: 14,577,714 km (0.087 R)
• M32: 16,163,003 km (0.098 R)
• M33: 16,292,106 km (0.104 R)
• M34: 17,008,829 km (0.057 R)
• M35: 17,669,154 km (0.06 R)
• M36: 18,675,200 km (0.098 R)
• M37: 19,493,500 km (0.089 R)
• M38: 20,812,953 km (0.081 R)
• M39: 20,953,426 km (0.064 R)
• M40: 21,023,886 km (0.096 R)
• M41: 25,840,639 km (0.062 R)
• M42: 26,067,279 km (0.088 R)
• M43: 26,294,818 km (0.095 R)
• M44: 26,980,874 km (0.113 R)
• M45: 30,738,473 km (0.089 R)
• M46: 31,945,877 km (0.111 R)
• M47: 32,189,273 km (0.114 R)
• M48: 32,351,886 km (0.073 R)
• M49: 32,596,179 km (0.117 R)
• M50: 32,677,860 km (0.103 R)
• M51: 32,923,051 km (0.118 R)
• M52: 33,004,881 km (0.094 R)
• M53: 33,662,214 km (0.119 R)
• M54: 35,912,614 km (0.052 R)
• M55: 36,503,975 km (0.077 R)
• M56: 37,098,477 km (0.106 R)
• M57: 37,439,710 km (0.082 R)
• M58: 38,211,036 km (0.11 R)
• M59: 39,595,415 km (0.041 R)
• M60: 40,206,223 km (0.108 R)
• M61: 40,820,173 km (0.106 R)
• M62: 40,908,136 km (0.071 R)
• M63: 41,879,924 km (0.109 R)
• M64: 43,845,939 km (0.105 R)
• M65: 43,936,147 km (0.038 R)
• M66: 45,750,619 km (0.031 R)
• M67: 45,842,024 km (0.099 R)
• M68: 45,933,428 km (0.036 R)
• M69: 46,391,496 km (0.097 R)
• M70: 46,759,058 km (0.101 R)
• M71: 47,035,366 km (0.113 R)
• M72: 47,127,518 km (0.107 R)
• M73: 48,891,127 km (0.118 R)
• M74: 48,984,476 km (0.079 R)
• M75: 49,922,006 km (0.083 R)
• M76: 50,110,200 km (0.055 R)
• M77: 50,204,297 km (0.048 R)
• M78: 50,770,675 km (0.085 R)
• M79: 50,959,916 km (0.075 R)
• M80: 53,153,320 km (0.059 R)
• M81: 53,441,595 km (0.094 R)
• M82: 53,923,300 km (0.1 R)
• M83: 54,116,431 km (0.115 R)
• M84: 54,213,072 km (0.095 R)
• M85: 55,085,377 km (0.089 R)
• M86: 57,532,798 km (0.086 R)
• M87: 57,927,587 km (0.088 R)
• M88: 58,323,273 km (0.087 R)
• M89: 58,422,456 km (0.093 R)
• M90: 59,516,017 km (0.108 R)
• M91: 60,115,306 km (0.096 R)
• M92: 61,723,333 km (0.109 R)
• M93: 65,289,896 km (0.105 R)
• M94: 66,942,504 km (0.055 R)
• M95: 69,657,107 km (0.082 R)
• M96: 69,762,274 km (0.077 R)
• M97: 70,288,709 km (0.109 R)

Planet 10 - Ice Giant

Semi-Major Axis: 14.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 11.4

Radius: 7.4

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 12.89 AU - 16.43 AU

Year: 21375 Days

Day: 16 Hours

Environment

Temp: -186 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 20,306,562 km

• M1: 95,294 km (0.113 R)
• M2: 186,698 km (0.103 R)
• M3: 769,980 km (0.085 R)
• M4: 921,822 km (0.078 R)
• M5: 996,172 km (0.065 R)
• M6: 1,995,785 km (0.054 R)
• M7: 2,192,207 km (0.098 R)
• M8: 2,336,270 km (0.066 R)
• M9: 2,483,624 km (0.081 R)
• M10: 2,771,899 km (0.094 R)
• M11: 2,912,371 km (0.083 R)
• M12: 4,029,119 km (0.103 R)
• M13: 4,313,655 km (0.078 R)
• M14: 4,513,069 km (0.108 R)
• M15: 4,827,224 km (0.087 R)
• M16: 6,255,285 km (0.065 R)
• M17: 6,439,889 km (0.05 R)
• M18: 6,522,467 km (0.109 R)
• M19: 6,877,613 km (0.099 R)
• M20: 7,260,433 km (0.079 R)
• M21: 7,715,809 km (0.097 R)
• M22: 8,024,579 km (0.06 R)
• M23: 8,314,949 km (0.1 R)
• M24: 8,951,937 km (0.05 R)
• M25: 9,253,077 km (0.101 R)
• M26: 9,463,412 km (0.109 R)
• M27: 10,393,462 km (0.111 R)
• M28: 11,930,879 km (0.08 R)
• M29: 12,058,037 km (0.118 R)
• M30: 12,648,350 km (0.111 R)
• M31: 13,169,250 km (0.073 R)
• M32: 14,692,156 km (0.093 R)
• M33: 15,654,669 km (0.065 R)
• M34: 17,351,558 km (0.105 R)
• M35: 17,726,749 km (0.114 R)
• M36: 17,842,837 km (0.113 R)
• M37: 17,988,246 km (0.11 R)
• M38: 18,046,440 km (0.095 R)
• M39: 18,603,094 km (0.108 R)
• M40: 19,314,282 km (0.107 R)
• M41: 19,523,270 km (0.101 R)
• M42: 19,943,790 km (0.105 R)
• M43: 20,155,172 km (0.075 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 279 - 18,111 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit