🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.2

Radius: 12.8

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.82 AU - 1.1 AU

Year: 617 Days

Day: 10.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,065,962 km

• M1: 159,920 km (0.081 R)
• M2: 590,014 km (0.04 R)
• M3: 1,090,868 km (0.103 R)
• M4: 1,690,905 km (0.041 R)
• M5: 2,099,905 km (0.109 R)
• M6: 2,555,730 km (0.118 R)
• M7: 3,427,138 km (0.079 R)
• M8: 3,843,768 km (0.06 R)
• M9: 4,279,845 km (0.114 R)
• M10: 5,252,680 km (0.106 R)
• M11: 6,561,363 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.5

Radius: 8.1

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.9 AU - 2.18 AU

Year: 1911 Days

Day: 7.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,065,962 km

• M1: 109,954 km (0.113 R)
• M2: 1,021,604 km (0.098 R)
• M3: 1,363,285 km (0.12 R)
• M4: 1,980,377 km (0.068 R)
• M5: 3,007,815 km (0.041 R)
• M6: 3,368,794 km (0.113 R)
• M7: 4,505,140 km (0.119 R)
• M8: 6,213,847 km (0.095 R)
• M9: 6,561,961 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.8

Radius: 11.6

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.7 AU - 2.38 AU

Year: 1911 Days

Day: 10.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,065,962 km

• M1: 144,212 km (0.118 R)
• M2: 604,076 km (0.056 R)
• M3: 1,219,073 km (0.106 R)
• M4: 1,820,157 km (0.047 R)
• M5: 2,520,874 km (0.064 R)
• M6: 3,284,272 km (0.101 R)
• M7: 3,892,088 km (0.061 R)
• M8: 4,269,523 km (0.067 R)
• M9: 5,036,362 km (0.08 R)
• M10: 8,007,376 km (0.085 R)
• M11: 9,521,456 km (0.054 R)
• M12: 11,004,868 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.8

Radius: 9

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.84 AU - 3.18 AU

Year: 3426 Days

Day: 13.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 44,065,962 km

• M1: 112,198 km (0.093 R)
• M2: 655,239 km (0.088 R)
• M3: 1,152,951 km (0.059 R)
• M4: 1,503,907 km (0.109 R)
• M5: 1,875,509 km (0.063 R)
• M6: 2,595,373 km (0.102 R)
• M7: 3,027,711 km (0.114 R)
• M8: 3,585,861 km (0.06 R)
• M9: 4,690,641 km (0.102 R)
• M10: 5,257,318 km (0.081 R)
• M11: 5,896,400 km (0.07 R)
• M12: 6,409,072 km (0.12 R)
• M13: 6,828,096 km (0.11 R)
• M14: 7,361,412 km (0.115 R)
• M15: 7,854,636 km (0.073 R)
• M16: 9,091,811 km (0.073 R)
• M17: 9,582,940 km (0.093 R)
• M18: 10,292,034 km (0.119 R)
• M19: 10,783,763 km (0.101 R)
• M20: 11,162,993 km (0.103 R)
• M21: 12,629,651 km (0.081 R)
• M22: 14,220,774 km (0.117 R)
• M23: 15,725,579 km (0.041 R)
• M24: 20,105,355 km (0.073 R)
• M25: 20,680,260 km (0.109 R)
• M26: 22,813,226 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863

Radius: 10

Gravity: 8.63 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.05 AU - 4.11 AU

Year: 4444 Days

Day: 9.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,065,962 km

• M1: 124,316 km (0.046 R)
• M2: 457,321 km (0.088 R)
• M3: 1,877,902 km (0.112 R)
• M4: 2,348,537 km (0.107 R)
• M5: 2,805,708 km (0.114 R)
• M6: 3,678,013 km (0.119 R)
• M7: 6,134,709 km (0.11 R)
• M8: 7,244,726 km (0.089 R)
• M9: 9,689,604 km (0.051 R)
• M10: 12,240,547 km (0.053 R)
• M11: 16,020,137 km (0.103 R)
• M12: 17,104,871 km (0.042 R)
• M13: 17,854,805 km (0.102 R)
• M14: 19,757,690 km (0.054 R)
• M15: 20,793,206 km (0.094 R)
• M16: 22,083,189 km (0.118 R)
• M17: 24,506,974 km (0.112 R)
• M18: 25,621,029 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 860.9

Radius: 3.1

Gravity: 89.58 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 5.33 AU - 7.89 AU

Year: 11148 Days

Day: 18.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 44,065,962 km

• M1: 123,119 km (0.117 R)
• M2: 560,693 km (0.096 R)
• M3: 1,049,579 km (0.096 R)
• M4: 1,894,059 km (0.048 R)
• M5: 3,595,435 km (0.118 R)
• M6: 5,808,736 km (0.098 R)
• M7: 6,184,974 km (0.11 R)
• M8: 6,779,327 km (0.096 R)
• M9: 8,887,460 km (0.069 R)
• M10: 10,439,687 km (0.091 R)
• M11: 14,201,775 km (0.102 R)
• M12: 14,607,634 km (0.116 R)
• M13: 14,813,480 km (0.03 R)
• M14: 17,746,047 km (0.08 R)
• M15: 19,019,873 km (0.105 R)
• M16: 20,438,659 km (0.114 R)
• M17: 21,042,885 km (0.117 R)
• M18: 22,834,619 km (0.048 R)
• M19: 27,232,497 km (0.095 R)
• M20: 27,963,732 km (0.112 R)
• M21: 29,356,189 km (0.112 R)
• M22: 34,653,748 km (0.091 R)
• M23: 51,868,125 km (0.102 R)
• M24: 52,990,259 km (0.099 R)
• M25: 53,151,824 km (0.11 R)
• M26: 54,128,250 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 270.9

Radius: 6.3

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 6.04 AU - 9.36 AU

Year: 14017 Days

Day: 24.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,065,962 km

• M1: 132,245 km (0.113 R)
• M2: 435,479 km (0.061 R)
• M3: 656,585 km (0.115 R)
• M4: 1,023,399 km (0.1 R)
• M5: 1,574,518 km (0.113 R)
• M6: 1,853,368 km (0.118 R)
• M7: 2,234,992 km (0.107 R)
• M8: 5,127,766 km (0.066 R)
• M9: 5,511,036 km (0.117 R)
• M10: 5,709,852 km (0.075 R)
• M11: 6,371,074 km (0.081 R)
• M12: 7,082,113 km (0.086 R)
• M13: 8,484,443 km (0.073 R)
• M14: 8,749,979 km (0.067 R)
• M15: 9,722,964 km (0.08 R)
• M16: 19,009,252 km (0.061 R)
• M17: 21,033,161 km (0.069 R)
• M18: 30,775,723 km (0.099 R)
• M19: 33,555,102 km (0.056 R)
• M20: 34,554,864 km (0.063 R)
• M21: 40,473,554 km (0.095 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 506 - 13,219 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit