🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.6 AU - 0.98 AU

Year: 249 Days

Day: 37 Hours

Environment

Temp: 124 °C

Axial Tilt: 21.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.72 AU - 0.88 AU

Year: 254 Days

Day: 24.3 Hours

Environment

Temp: 160 °C

Axial Tilt: 14.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 39,583,810 km

• M1: 258,954 km (0.092 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.83 AU - 1.09 AU

Year: 334 Days

Day: 36.2 Hours

Environment

Temp: 161 °C

Axial Tilt: 18.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 39,583,810 km

• M1: 21,392 km (0.1 R)
• M2: 151,991 km (0.109 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.99 AU - 1.57 AU

Year: 514 Days

Day: 18.8 Hours

Environment

Temp: 9 °C

Axial Tilt: 34.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.4 AU - 1.56 AU

Year: 639 Days

Day: 31.1 Hours

Environment

Temp: -7 °C

Axial Tilt: 32.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.39 AU - 1.87 AU

Year: 738 Days

Day: 23.3 Hours

Environment

Temp: -30 °C

Axial Tilt: 38 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.64 AU - 3.5 AU

Year: 1908 Days

Day: 12.4 Hours

Environment

Temp: -101 °C

Axial Tilt: 18.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,583,810 km

• M1: 1,330,224 km (0.113 R)

Asteroid Belt

Center: 5.05 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.2

Radius: 13.9

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 6.66 AU - 7.4 AU

Year: 6613 Days

Day: 12.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 39,583,810 km

• M1: 176,525 km (0.05 R)
• M2: 288,873 km (0.1 R)
• M3: 407,505 km (0.104 R)
• M4: 805,734 km (0.069 R)
• M5: 899,682 km (0.117 R)
• M6: 1,411,157 km (0.067 R)
• M7: 1,508,246 km (0.051 R)
• M8: 1,607,579 km (0.089 R)
• M9: 1,834,369 km (0.095 R)
• M10: 2,138,651 km (0.086 R)
• M11: 2,578,020 km (0.105 R)
• M12: 2,870,484 km (0.055 R)
• M13: 3,046,112 km (0.109 R)
• M14: 4,145,806 km (0.111 R)
• M15: 4,287,924 km (0.094 R)
• M16: 4,606,118 km (0.117 R)
• M17: 5,327,479 km (0.084 R)
• M18: 5,544,695 km (0.07 R)
• M19: 6,019,818 km (0.097 R)
• M20: 6,181,234 km (0.105 R)
• M21: 6,278,772 km (0.092 R)
• M22: 6,442,432 km (0.064 R)
• M23: 6,908,430 km (0.101 R)
• M24: 7,009,707 km (0.088 R)
• M25: 7,837,881 km (0.052 R)
• M26: 8,227,883 km (0.084 R)
• M27: 8,443,304 km (0.081 R)
• M28: 8,733,374 km (0.12 R)
• M29: 9,398,337 km (0.076 R)
• M30: 9,623,781 km (0.112 R)
• M31: 10,973,602 km (0.109 R)
• M32: 11,409,979 km (0.086 R)
• M33: 12,136,576 km (0.077 R)
• M34: 12,341,076 km (0.035 R)
• M35: 12,505,634 km (0.111 R)
• M36: 14,448,611 km (0.045 R)
• M37: 14,970,857 km (0.109 R)
• M38: 15,454,956 km (0.117 R)
• M39: 15,632,379 km (0.099 R)
• M40: 15,899,710 km (0.105 R)
• M41: 16,123,509 km (0.12 R)
• M42: 16,303,475 km (0.066 R)
• M43: 17,121,177 km (0.101 R)
• M44: 18,045,542 km (0.05 R)
• M45: 18,279,214 km (0.077 R)
• M46: 18,655,154 km (0.114 R)
• M47: 18,986,064 km (0.088 R)
• M48: 19,081,059 km (0.06 R)
• M49: 19,846,252 km (0.11 R)
• M50: 20,524,080 km (0.086 R)
• M51: 22,001,957 km (0.117 R)
• M52: 22,151,705 km (0.119 R)
• M53: 22,502,362 km (0.12 R)
• M54: 22,753,836 km (0.082 R)
• M55: 22,955,793 km (0.109 R)
• M56: 23,158,349 km (0.106 R)
• M57: 25,111,648 km (0.03 R)
• M58: 25,372,547 km (0.073 R)
• M59: 25,792,019 km (0.118 R)
• M60: 26,637,696 km (0.081 R)
• M61: 27,170,863 km (0.091 R)
• M62: 27,761,475 km (0.075 R)
• M63: 28,955,416 km (0.051 R)
• M64: 29,834,303 km (0.078 R)
• M65: 30,554,767 km (0.098 R)
• M66: 31,561,860 km (0.082 R)
• M67: 31,674,357 km (0.104 R)
• M68: 31,843,552 km (0.102 R)
• M69: 32,295,936 km (0.113 R)
• M70: 33,207,287 km (0.045 R)
• M71: 33,321,729 km (0.052 R)
• M72: 34,126,865 km (0.12 R)
• M73: 35,405,178 km (0.102 R)
• M74: 36,403,744 km (0.111 R)
• M75: 36,876,773 km (0.117 R)
• M76: 37,054,794 km (0.103 R)
• M77: 37,709,584 km (0.067 R)
• M78: 39,757,878 km (0.109 R)
• M79: 40,489,412 km (0.075 R)
• M80: 41,040,979 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 74

Radius: 5.2

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 13.01 AU - 19.11 AU

Year: 22833 Days

Day: 16.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 39,583,810 km

• M1: 65,973 km (0.07 R)
• M2: 123,269 km (0.05 R)
• M3: 280,346 km (0.075 R)
• M4: 404,812 km (0.109 R)
• M5: 602,431 km (0.116 R)
• M6: 750,084 km (0.072 R)
• M7: 1,428,510 km (0.105 R)
• M8: 2,269,250 km (0.066 R)
• M9: 2,337,616 km (0.066 R)
• M10: 2,429,769 km (0.055 R)
• M11: 4,509,329 km (0.05 R)
• M12: 5,153,497 km (0.059 R)
• M13: 5,394,798 km (0.099 R)
• M14: 5,547,538 km (0.108 R)
• M15: 5,919,887 km (0.033 R)
• M16: 6,918,752 km (0.099 R)
• M17: 7,184,887 km (0.104 R)
• M18: 7,795,994 km (0.073 R)
• M19: 8,353,096 km (0.065 R)
• M20: 8,494,317 km (0.092 R)
• M21: 8,779,301 km (0.11 R)
• M22: 8,850,958 km (0.08 R)
• M23: 9,103,629 km (0.095 R)
• M24: 9,212,536 km (0.103 R)
• M25: 9,395,045 km (0.099 R)
• M26: 10,175,049 km (0.093 R)
• M27: 11,130,231 km (0.097 R)
• M28: 12,113,837 km (0.087 R)
• M29: 12,353,942 km (0.069 R)
• M30: 12,636,083 km (0.115 R)
• M31: 13,536,812 km (0.073 R)
• M32: 14,712,801 km (0.107 R)
• M33: 14,840,707 km (0.106 R)
• M34: 15,226,670 km (0.102 R)
• M35: 15,485,923 km (0.076 R)
• M36: 15,833,738 km (0.093 R)
• M37: 16,404,454 km (0.079 R)
• M38: 16,492,866 km (0.091 R)
• M39: 17,340,637 km (0.08 R)
• M40: 17,837,901 km (0.072 R)
• M41: 18,019,812 km (0.083 R)
• M42: 18,523,358 km (0.092 R)
• M43: 18,753,888 km (0.08 R)
• M44: 18,800,114 km (0.101 R)
• M45: 19,497,689 km (0.107 R)
• M46: 19,544,513 km (0.114 R)
• M47: 20,440,903 km (0.046 R)
• M48: 21,302,438 km (0.1 R)
• M49: 23,807,155 km (0.112 R)
• M50: 24,007,616 km (0.081 R)
• M51: 24,057,731 km (0.101 R)
• M52: 24,158,261 km (0.085 R)
• M53: 24,208,526 km (0.1 R)
• M54: 24,966,987 km (0.08 R)
• M55: 26,506,948 km (0.055 R)
• M56: 26,870,770 km (0.113 R)
• M57: 27,498,183 km (0.086 R)
• M58: 28,501,536 km (0.072 R)
• M59: 30,761,361 km (0.047 R)
• M60: 32,133,772 km (0.084 R)
• M61: 32,688,182 km (0.042 R)
• M62: 32,855,133 km (0.116 R)
• M63: 33,245,883 km (0.103 R)
• M64: 33,975,621 km (0.078 R)
• M65: 37,469,031 km (0.12 R)
• M66: 37,760,447 km (0.06 R)
• M67: 37,877,283 km (0.108 R)
• M68: 38,815,711 km (0.039 R)

Kuiper Belt

Range: 30.9 - 49.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 16,655 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit