🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.62 AU - 0.66 AU

Year: 331 Days

Day: 34.1 Hours

Environment

Temp: -136 °C

Axial Tilt: 13 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 74,243,790 km

• M1: 30,219 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.1

Radius: 11.8

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.81 AU - 2.07 AU

Year: 1745 Days

Day: 14.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,243,790 km

• M1: 146,756 km (0.04 R)
• M2: 558,598 km (0.117 R)
• M3: 1,052,271 km (0.066 R)
• M4: 1,487,003 km (0.117 R)
• M5: 2,008,651 km (0.075 R)
• M6: 2,746,916 km (0.109 R)
• M7: 3,607,553 km (0.115 R)
• M8: 4,579,789 km (0.119 R)
• M9: 5,812,176 km (0.084 R)
• M10: 6,219,531 km (0.118 R)
• M11: 6,620,454 km (0.113 R)
• M12: 7,530,009 km (0.11 R)
• M13: 8,161,611 km (0.077 R)
• M14: 10,167,718 km (0.119 R)
• M15: 11,193,810 km (0.102 R)
• M16: 11,788,911 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.8

Radius: 12.3

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.49 AU - 3.73 AU

Year: 3541 Days

Day: 8.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,243,790 km

• M1: 159,172 km (0.074 R)
• M2: 643,271 km (0.083 R)
• M3: 1,388,119 km (0.112 R)
• M4: 1,824,047 km (0.081 R)
• M5: 2,352,127 km (0.07 R)
• M6: 2,740,184 km (0.087 R)
• M7: 3,336,332 km (0.077 R)
• M8: 4,017,750 km (0.083 R)
• M9: 4,986,695 km (0.038 R)
• M10: 6,233,893 km (0.101 R)
• M11: 7,560,377 km (0.06 R)
• M12: 8,011,415 km (0.072 R)
• M13: 8,576,147 km (0.091 R)
• M14: 9,067,127 km (0.083 R)
• M15: 9,576,657 km (0.09 R)
• M16: 10,579,113 km (0.071 R)
• M17: 11,532,201 km (0.036 R)
• M18: 12,458,810 km (0.096 R)
• M19: 13,963,166 km (0.108 R)
• M20: 14,922,088 km (0.12 R)
• M21: 16,617,182 km (0.099 R)
• M22: 17,329,866 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.8

Radius: 13.6

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 3.87 AU - 5.31 AU

Year: 6349 Days

Day: 10.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,243,790 km

• M1: 169,943 km (0.087 R)
• M2: 652,097 km (0.116 R)
• M3: 1,205,908 km (0.062 R)
• M4: 1,758,673 km (0.116 R)
• M5: 2,197,892 km (0.093 R)
• M6: 2,880,956 km (0.099 R)
• M7: 3,748,474 km (0.12 R)
• M8: 4,256,807 km (0.051 R)
• M9: 4,894,094 km (0.091 R)
• M10: 6,327,691 km (0.078 R)
• M11: 7,908,491 km (0.1 R)
• M12: 9,694,540 km (0.06 R)
• M13: 11,336,227 km (0.068 R)
• M14: 13,993,534 km (0.108 R)
• M15: 16,147,445 km (0.095 R)
• M16: 16,654,731 km (0.085 R)
• M17: 18,583,197 km (0.059 R)
• M18: 20,288,463 km (0.096 R)
• M19: 20,730,675 km (0.106 R)
• M20: 22,407,218 km (0.074 R)
• M21: 27,169,816 km (0.105 R)
• M22: 28,619,269 km (0.104 R)
• M23: 29,834,453 km (0.089 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 519.5

Radius: 3.6

Gravity: 40.08 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 7.6 AU - 10.74 AU

Year: 17930 Days

Day: 23.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 74,243,790 km

• M1: 53,855 km (0.071 R)
• M2: 199,863 km (0.079 R)
• M3: 568,322 km (0.071 R)
• M4: 740,659 km (0.112 R)
• M5: 881,431 km (0.067 R)
• M6: 1,064,239 km (0.048 R)
• M7: 1,285,644 km (0.109 R)
• M8: 1,946,867 km (0.045 R)
• M9: 2,117,857 km (0.067 R)
• M10: 2,578,618 km (0.087 R)
• M11: 3,002,728 km (0.115 R)
• M12: 3,444,491 km (0.11 R)
• M13: 3,752,513 km (0.094 R)
• M14: 6,037,620 km (0.107 R)
• M15: 7,308,903 km (0.11 R)
• M16: 7,582,966 km (0.098 R)
• M17: 7,959,056 km (0.114 R)
• M18: 8,901,821 km (0.102 R)
• M19: 9,161,822 km (0.092 R)
• M20: 11,006,364 km (0.098 R)
• M21: 11,245,422 km (0.072 R)
• M22: 11,610,740 km (0.114 R)
• M23: 15,633,426 km (0.043 R)
• M24: 15,859,618 km (0.103 R)
• M25: 17,586,277 km (0.086 R)
• M26: 20,856,786 km (0.043 R)
• M27: 25,957,475 km (0.065 R)
• M28: 30,053,614 km (0.116 R)
• M29: 36,244,423 km (0.108 R)
• M30: 38,803,593 km (0.076 R)
• M31: 42,643,621 km (0.101 R)
• M32: 45,799,687 km (0.075 R)
• M33: 47,513,331 km (0.05 R)
• M34: 50,245,138 km (0.085 R)
• M35: 58,701,008 km (0.113 R)
• M36: 62,787,573 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 714.4

Radius: 3.5

Gravity: 58.32 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 7.48 AU - 11.5 AU

Year: 18876 Days

Day: 18.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 118.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 74,243,790 km

• M1: 43,533 km (0.057 R)
• M2: 171,738 km (0.07 R)
• M3: 299,046 km (0.114 R)
• M4: 454,927 km (0.104 R)
• M5: 637,137 km (0.052 R)
• M6: 970,142 km (0.049 R)
• M7: 1,216,829 km (0.038 R)
• M8: 1,377,946 km (0.07 R)
• M9: 1,504,057 km (0.117 R)
• M10: 1,655,001 km (0.055 R)
• M11: 1,797,568 km (0.116 R)
• M12: 1,967,810 km (0.086 R)
• M13: 2,318,767 km (0.113 R)
• M14: 2,934,213 km (0.053 R)
• M15: 3,224,881 km (0.099 R)
• M16: 3,505,377 km (0.077 R)
• M17: 14,446,068 km (0.092 R)
• M18: 16,312,451 km (0.118 R)
• M19: 16,556,445 km (0.1 R)
• M20: 17,472,134 km (0.111 R)
• M21: 20,046,863 km (0.072 R)
• M22: 21,375,741 km (0.057 R)
• M23: 21,570,367 km (0.051 R)
• M24: 24,313,095 km (0.069 R)
• M25: 24,631,589 km (0.09 R)
• M26: 29,265,981 km (0.105 R)
• M27: 32,104,002 km (0.118 R)
• M28: 32,873,534 km (0.075 R)
• M29: 37,891,794 km (0.086 R)
• M30: 38,606,722 km (0.117 R)
• M31: 48,233,794 km (0.116 R)
• M32: 50,954,531 km (0.108 R)
• M33: 55,407,461 km (0.108 R)
• M34: 56,699,239 km (0.066 R)
• M35: 69,880,157 km (0.109 R)
• M36: 71,170,738 km (0.076 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 13,576 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit