🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.2

Radius: 10.7

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.73 AU - 0.93 AU

Year: 532 Days

Day: 12.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 62,536,880 km

• M1: 133,292 km (0.092 R)
• M2: 500,704 km (0.084 R)
• M3: 889,808 km (0.093 R)
• M4: 1,388,268 km (0.048 R)
• M5: 1,817,614 km (0.112 R)
• M6: 2,172,161 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.9

Radius: 11.8

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.76 AU - 1.06 AU

Year: 610 Days

Day: 11.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,536,880 km

• M1: 146,756 km (0.07 R)
• M2: 541,095 km (0.097 R)
• M3: 949,797 km (0.093 R)
• M4: 1,453,493 km (0.067 R)
• M5: 1,858,006 km (0.109 R)
• M6: 2,234,244 km (0.082 R)
• M7: 2,801,669 km (0.085 R)
• M8: 3,325,860 km (0.059 R)
• M9: 3,846,012 km (0.111 R)
• M10: 4,405,059 km (0.112 R)
• M11: 4,807,328 km (0.057 R)
• M12: 5,183,716 km (0.09 R)
• M13: 5,615,306 km (0.118 R)
• M14: 6,689,718 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.8

Radius: 11.8

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.09 AU - 1.27 AU

Year: 901 Days

Day: 13.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,536,880 km

• M1: 146,756 km (0.099 R)
• M2: 623,823 km (0.117 R)
• M3: 1,115,551 km (0.111 R)
• M4: 1,509,592 km (0.108 R)
• M5: 1,888,972 km (0.067 R)
• M6: 2,570,690 km (0.08 R)
• M7: 3,119,714 km (0.101 R)
• M8: 3,991,271 km (0.047 R)
• M9: 4,439,317 km (0.098 R)
• M10: 5,034,716 km (0.12 R)
• M11: 5,559,206 km (0.082 R)
• M12: 6,119,899 km (0.08 R)
• M13: 6,838,268 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.8

Radius: 13.8

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.76 AU - 3.44 AU

Year: 3837 Days

Day: 12.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,536,880 km

• M1: 171,738 km (0.057 R)
• M2: 606,171 km (0.088 R)
• M3: 1,272,629 km (0.039 R)
• M4: 1,789,639 km (0.12 R)
• M5: 3,376,873 km (0.08 R)
• M6: 4,119,327 km (0.042 R)
• M7: 5,142,876 km (0.031 R)
• M8: 6,053,927 km (0.096 R)
• M9: 6,483,572 km (0.115 R)
• M10: 8,660,670 km (0.093 R)
• M11: 9,675,841 km (0.118 R)
• M12: 10,989,460 km (0.081 R)
• M13: 11,903,203 km (0.086 R)
• M14: 14,364,986 km (0.068 R)
• M15: 16,071,898 km (0.101 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 521.5

Radius: 6.7

Gravity: 11.62 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 5.14 AU - 7.38 AU

Year: 11010 Days

Day: 19.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 62,536,880 km

• M1: 83,326 km (0.094 R)
• M2: 434,133 km (0.083 R)
• M3: 711,338 km (0.092 R)
• M4: 990,039 km (0.053 R)
• M5: 1,316,012 km (0.091 R)
• M6: 1,787,994 km (0.06 R)
• M7: 2,202,829 km (0.055 R)
• M8: 2,680,046 km (0.084 R)
• M9: 3,865,011 km (0.061 R)
• M10: 4,299,892 km (0.111 R)
• M11: 6,372,271 km (0.084 R)
• M12: 6,940,144 km (0.116 R)
• M13: 7,176,659 km (0.096 R)
• M14: 7,459,249 km (0.107 R)
• M15: 8,440,611 km (0.098 R)
• M16: 9,078,496 km (0.092 R)
• M17: 9,846,382 km (0.118 R)
• M18: 10,296,821 km (0.052 R)
• M19: 12,583,126 km (0.059 R)
• M20: 15,452,862 km (0.067 R)
• M21: 16,061,276 km (0.081 R)
• M22: 16,755,859 km (0.059 R)
• M23: 19,735,400 km (0.038 R)
• M24: 20,693,873 km (0.117 R)
• M25: 23,755,244 km (0.051 R)
• M26: 25,767,635 km (0.042 R)
• M27: 27,008,549 km (0.109 R)
• M28: 28,690,927 km (0.109 R)
• M29: 35,302,554 km (0.102 R)
• M30: 39,519,868 km (0.111 R)
• M31: 41,944,101 km (0.081 R)
• M32: 45,419,559 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 152

Radius: 4.6

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 6.32 AU - 8.66 AU

Year: 14409 Days

Day: 19.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,536,880 km

• M1: 57,296 km (0.072 R)
• M2: 251,923 km (0.114 R)
• M3: 801,097 km (0.102 R)
• M4: 1,326,036 km (0.061 R)
• M5: 1,869,375 km (0.099 R)
• M6: 5,845,238 km (0.038 R)
• M7: 9,388,014 km (0.103 R)
• M8: 9,792,377 km (0.049 R)
• M9: 11,425,089 km (0.057 R)
• M10: 13,455,132 km (0.11 R)
• M11: 15,341,112 km (0.109 R)
• M12: 31,948,869 km (0.099 R)
• M13: 35,813,730 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 512.1

Radius: 3.7

Gravity: 37.41 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 8.36 AU - 8.52 AU

Year: 17235 Days

Day: 23.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 62,536,880 km

• M1: 46,675 km (0.097 R)
• M2: 173,982 km (0.073 R)
• M3: 386,710 km (0.089 R)
• M4: 767,287 km (0.105 R)
• M5: 942,616 km (0.054 R)
• M6: 1,169,855 km (0.065 R)
• M7: 1,331,571 km (0.116 R)
• M8: 1,784,403 km (0.075 R)
• M9: 2,332,829 km (0.056 R)
• M10: 2,634,568 km (0.085 R)
• M11: 2,794,787 km (0.067 R)
• M12: 3,109,841 km (0.106 R)
• M13: 3,289,059 km (0.112 R)
• M14: 3,667,990 km (0.046 R)
• M15: 4,544,783 km (0.064 R)
• M16: 5,702,671 km (0.118 R)
• M17: 7,043,816 km (0.082 R)
• M18: 11,437,056 km (0.114 R)
• M19: 13,077,098 km (0.076 R)
• M20: 13,747,596 km (0.071 R)
• M21: 13,884,328 km (0.102 R)
• M22: 15,083,953 km (0.116 R)
• M23: 17,446,253 km (0.085 R)
• M24: 18,673,105 km (0.103 R)
• M25: 19,264,915 km (0.118 R)
• M26: 20,396,772 km (0.084 R)
• M27: 23,273,539 km (0.08 R)
• M28: 29,022,137 km (0.038 R)
• M29: 32,041,321 km (0.064 R)
• M30: 39,932,459 km (0.047 R)
• M31: 43,068,778 km (0.098 R)
• M32: 43,656,099 km (0.104 R)
• M33: 46,827,574 km (0.043 R)
• M34: 51,126,119 km (0.063 R)
• M35: 51,949,955 km (0.038 R)
• M36: 53,286,462 km (0.088 R)
• M37: 54,817,297 km (0.118 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 330 - 19,505 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit