🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.44 AU - 0.58 AU

Year: 235 Days

Day: 34 Hours

Environment

Temp: -119 °C

Axial Tilt: 22.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,137,134 km

• M1: 178,769 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.5

Radius: 14.6

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.55 AU - 0.83 AU

Year: 370 Days

Day: 8.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,137,134 km

• M1: 181,612 km (0.039 R)
• M2: 686,056 km (0.053 R)
• M3: 1,246,599 km (0.059 R)
• M4: 1,719,179 km (0.094 R)
• M5: 2,340,758 km (0.053 R)
• M6: 2,826,353 km (0.099 R)
• M7: 3,288,161 km (0.103 R)
• M8: 4,177,072 km (0.047 R)
• M9: 4,751,677 km (0.09 R)
• M10: 5,236,524 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.8

Radius: 8.4

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.67 AU - 3.97 AU

Year: 4821 Days

Day: 13.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 45,137,134 km

• M1: 104,569 km (0.086 R)
• M2: 700,567 km (0.101 R)
• M3: 2,413,014 km (0.1 R)
• M4: 3,295,791 km (0.087 R)
• M5: 3,718,105 km (0.12 R)
• M6: 7,569,054 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788

Radius: 12.5

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.93 AU - 4.75 AU

Year: 5838 Days

Day: 7.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,137,134 km

• M1: 155,582 km (0.031 R)
• M2: 714,330 km (0.066 R)
• M3: 1,156,242 km (0.102 R)
• M4: 1,982,621 km (0.119 R)
• M5: 2,492,899 km (0.101 R)
• M6: 3,110,289 km (0.115 R)
• M7: 4,264,437 km (0.099 R)
• M8: 4,898,283 km (0.118 R)
• M9: 6,256,183 km (0.057 R)
• M10: 6,829,891 km (0.111 R)
• M11: 7,365,002 km (0.073 R)
• M12: 8,399,023 km (0.081 R)
• M13: 10,334,071 km (0.099 R)
• M14: 11,529,508 km (0.03 R)
• M15: 13,137,236 km (0.08 R)
• M16: 16,287,468 km (0.1 R)
• M17: 17,050,417 km (0.102 R)
• M18: 17,440,868 km (0.073 R)
• M19: 20,635,231 km (0.062 R)
• M20: 21,680,172 km (0.107 R)
• M21: 25,110,751 km (0.099 R)
• M22: 26,648,617 km (0.103 R)
• M23: 27,352,026 km (0.074 R)
• M24: 34,664,071 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158

Radius: 11

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 3.87 AU - 4.89 AU

Year: 5919 Days

Day: 9.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,137,134 km

• M1: 136,882 km (0.076 R)
• M2: 511,326 km (0.049 R)
• M3: 1,179,579 km (0.096 R)
• M4: 1,629,570 km (0.117 R)
• M5: 2,399,251 km (0.043 R)
• M6: 2,803,763 km (0.074 R)
• M7: 3,184,191 km (0.099 R)
• M8: 3,713,318 km (0.109 R)
• M9: 4,174,080 km (0.039 R)
• M10: 5,042,944 km (0.063 R)
• M11: 6,245,412 km (0.108 R)
• M12: 7,567,109 km (0.084 R)
• M13: 8,478,609 km (0.11 R)
• M14: 9,244,849 km (0.117 R)
• M15: 10,132,862 km (0.096 R)
• M16: 11,528,610 km (0.102 R)
• M17: 13,276,063 km (0.098 R)
• M18: 17,017,506 km (0.094 R)
• M19: 18,179,432 km (0.11 R)
• M20: 19,099,609 km (0.076 R)
• M21: 20,232,214 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 386.6

Radius: 3.7

Gravity: 28.24 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 6.79 AU - 7.37 AU

Year: 12164 Days

Day: 24.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,137,134 km

• M1: 46,974 km (0.119 R)
• M2: 217,216 km (0.119 R)
• M3: 395,986 km (0.102 R)
• M4: 693,087 km (0.102 R)
• M5: 2,386,086 km (0.079 R)
• M6: 2,720,736 km (0.048 R)
• M7: 3,199,450 km (0.095 R)
• M8: 4,182,457 km (0.098 R)
• M9: 5,416,191 km (0.051 R)
• M10: 7,146,290 km (0.111 R)
• M11: 8,708,092 km (0.088 R)
• M12: 14,602,697 km (0.106 R)
• M13: 15,980,942 km (0.072 R)
• M14: 18,096,705 km (0.057 R)
• M15: 20,631,641 km (0.065 R)
• M16: 23,744,024 km (0.057 R)
• M17: 25,273,363 km (0.094 R)
• M18: 32,917,366 km (0.094 R)
• M19: 35,043,600 km (0.069 R)
• M20: 35,733,546 km (0.042 R)
• M21: 39,319,706 km (0.072 R)
• M22: 39,815,174 km (0.09 R)
• M23: 42,226,093 km (0.109 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: 304 - 16,542 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit