🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.6

Radius: 10.2

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.6 AU - 0.62 AU

Year: 318 Days

Day: 10.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,783,849 km

• M1: 127,308 km (0.088 R)
• M2: 511,625 km (0.098 R)
• M3: 889,060 km (0.104 R)
• M4: 1,279,062 km (0.118 R)
• M5: 1,650,962 km (0.103 R)
• M6: 2,801,669 km (0.037 R)
• M7: 3,902,709 km (0.037 R)
• M8: 4,221,802 km (0.04 R)
• M9: 4,942,115 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.2

Radius: 13.6

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.52 AU - 0.72 AU

Year: 326 Days

Day: 10.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 41,783,849 km

• M1: 169,943 km (0.067 R)
• M2: 628,461 km (0.1 R)
• M3: 1,064,090 km (0.059 R)
• M4: 1,926,671 km (0.114 R)
• M5: 2,864,350 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26

Radius: 11

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.31 AU - 1.61 AU

Year: 1176 Days

Day: 12.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 41,783,849 km

• M1: 136,732 km (0.109 R)
• M2: 695,331 km (0.067 R)
• M3: 2,460,436 km (0.066 R)
• M4: 2,938,850 km (0.079 R)
• M5: 3,778,693 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.6

Radius: 11.7

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.21 AU - 1.89 AU

Year: 1287 Days

Day: 12 Hours

Environment

Temp: -185 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,783,849 km

• M1: 145,559 km (0.091 R)
• M2: 570,417 km (0.12 R)
• M3: 1,010,683 km (0.096 R)
• M4: 1,728,155 km (0.077 R)
• M5: 2,263,416 km (0.093 R)
• M6: 3,143,201 km (0.09 R)
• M7: 3,686,092 km (0.071 R)
• M8: 4,099,281 km (0.116 R)
• M9: 4,470,284 km (0.108 R)
• M10: 4,863,726 km (0.097 R)
• M11: 5,260,011 km (0.118 R)
• M12: 6,346,390 km (0.113 R)
• M13: 6,845,150 km (0.102 R)
• M14: 7,421,251 km (0.088 R)
• M15: 7,948,284 km (0.117 R)
• M16: 9,557,958 km (0.099 R)
• M17: 10,023,955 km (0.106 R)
• M18: 11,513,202 km (0.03 R)
• M19: 12,005,379 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.9

Radius: 9.6

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.68 AU - 2.2 AU

Year: 1802 Days

Day: 6.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,783,849 km

• M1: 119,678 km (0.111 R)
• M2: 418,575 km (0.069 R)
• M3: 822,788 km (0.106 R)
• M4: 1,433,447 km (0.067 R)
• M5: 1,762,861 km (0.033 R)
• M6: 2,154,957 km (0.117 R)
• M7: 3,380,912 km (0.106 R)
• M8: 3,694,319 km (0.104 R)
• M9: 4,958,272 km (0.051 R)
• M10: 5,932,154 km (0.11 R)
• M11: 8,080,230 km (0.103 R)
• M12: 9,392,652 km (0.05 R)
• M13: 11,271,751 km (0.026 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.2

Radius: 10.2

Gravity: 9.28 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.28 AU - 3 AU

Year: 2860 Days

Day: 13.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,783,849 km

• M1: 126,859 km (0.089 R)
• M2: 614,698 km (0.11 R)
• M3: 1,218,475 km (0.081 R)
• M4: 1,556,865 km (0.052 R)
• M5: 2,049,940 km (0.077 R)
• M6: 2,429,769 km (0.03 R)
• M7: 2,806,755 km (0.086 R)
• M8: 4,008,176 km (0.112 R)
• M9: 6,237,782 km (0.062 R)
• M10: 7,949,631 km (0.066 R)
• M11: 8,361,175 km (0.041 R)
• M12: 8,859,485 km (0.1 R)
• M13: 9,567,083 km (0.042 R)
• M14: 9,993,886 km (0.045 R)
• M15: 11,566,459 km (0.11 R)
• M16: 11,961,995 km (0.063 R)
• M17: 12,366,358 km (0.117 R)
• M18: 13,393,647 km (0.097 R)
• M19: 14,628,877 km (0.085 R)
• M20: 15,617,419 km (0.089 R)
• M21: 18,609,826 km (0.038 R)
• M22: 19,398,356 km (0.064 R)
• M23: 20,019,935 km (0.095 R)
• M24: 21,172,287 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 375

Radius: 7.7

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 5.5 AU - 7.46 AU

Year: 11000 Days

Day: 23.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,783,849 km

• M1: 96,042 km (0.119 R)
• M2: 351,256 km (0.113 R)
• M3: 1,221,317 km (0.085 R)
• M4: 1,852,620 km (0.067 R)
• M5: 4,048,567 km (0.099 R)
• M6: 4,881,229 km (0.113 R)
• M7: 6,844,103 km (0.082 R)
• M8: 7,299,778 km (0.096 R)
• M9: 9,100,338 km (0.073 R)
• M10: 10,519,722 km (0.112 R)
• M11: 11,544,318 km (0.084 R)
• M12: 13,031,171 km (0.111 R)
• M13: 14,394,756 km (0.058 R)
• M14: 15,079,465 km (0.036 R)
• M15: 15,851,091 km (0.083 R)
• M16: 16,246,628 km (0.091 R)
• M17: 17,195,078 km (0.092 R)
• M18: 18,251,688 km (0.091 R)
• M19: 19,500,980 km (0.09 R)
• M20: 23,334,425 km (0.101 R)
• M21: 25,248,381 km (0.101 R)
• M22: 33,090,002 km (0.113 R)
• M23: 35,500,472 km (0.033 R)
• M24: 36,633,975 km (0.098 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 224 - 10,462 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit