🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

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: 501.3

Radius: 8.8

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.9 AU - 1.02 AU

Year: 638 Days

Day: 8.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,552,804 km

• M1: 109,655 km (0.085 R)
• M2: 388,206 km (0.112 R)
• M3: 687,552 km (0.1 R)
• M4: 1,172,249 km (0.089 R)
• M5: 1,619,846 km (0.101 R)
• M6: 1,922,183 km (0.118 R)
• M7: 2,559,171 km (0.083 R)
• M8: 5,140,183 km (0.056 R)
• M9: 6,323,053 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.2

Radius: 11.5

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.72 AU - 2.9 AU

Year: 3195 Days

Day: 6.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,552,804 km

• M1: 143,614 km (0.11 R)
• M2: 638,185 km (0.082 R)
• M3: 1,083,837 km (0.08 R)
• M4: 1,727,556 km (0.047 R)
• M5: 2,118,007 km (0.111 R)
• M6: 2,552,888 km (0.106 R)
• M7: 2,996,745 km (0.05 R)
• M8: 3,586,160 km (0.095 R)
• M9: 4,625,417 km (0.12 R)
• M10: 5,882,039 km (0.083 R)
• M11: 6,779,327 km (0.037 R)
• M12: 7,169,029 km (0.047 R)
• M13: 7,541,977 km (0.115 R)
• M14: 8,259,598 km (0.038 R)
• M15: 11,935,367 km (0.094 R)
• M16: 13,746,548 km (0.101 R)
• M17: 14,917,600 km (0.053 R)
• M18: 16,366,456 km (0.106 R)
• M19: 17,681,272 km (0.097 R)
• M20: 18,771,092 km (0.1 R)
• M21: 21,084,473 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.3

Radius: 8.4

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 4.28 AU - 4.88 AU

Year: 6648 Days

Day: 14.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,552,804 km

• M1: 288,873 km (0.116 R)
• M2: 631,004 km (0.068 R)
• M3: 1,629,420 km (0.071 R)
• M4: 2,814,983 km (0.111 R)
• M5: 3,133,926 km (0.052 R)
• M6: 4,415,381 km (0.119 R)
• M7: 5,173,244 km (0.099 R)
• M8: 5,513,579 km (0.108 R)
• M9: 7,530,757 km (0.105 R)
• M10: 12,666,751 km (0.116 R)
• M11: 14,319,957 km (0.104 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 398.1

Radius: 7.7

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 6.73 AU - 7.41 AU

Year: 12750 Days

Day: 19.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 56,552,804 km

• M1: 95,892 km (0.063 R)
• M2: 536,757 km (0.117 R)
• M3: 1,844,691 km (0.12 R)
• M4: 2,195,798 km (0.097 R)
• M5: 3,010,657 km (0.111 R)
• M6: 3,307,160 km (0.113 R)
• M7: 3,775,850 km (0.102 R)
• M8: 4,316,198 km (0.112 R)
• M9: 4,724,450 km (0.079 R)
• M10: 5,483,959 km (0.044 R)
• M11: 5,754,432 km (0.08 R)
• M12: 6,582,157 km (0.046 R)
• M13: 6,849,189 km (0.08 R)
• M14: 7,652,380 km (0.095 R)
• M15: 8,427,596 km (0.09 R)
• M16: 11,721,143 km (0.083 R)
• M17: 12,057,588 km (0.119 R)
• M18: 15,649,882 km (0.072 R)
• M19: 19,116,364 km (0.112 R)
• M20: 25,412,190 km (0.114 R)
• M21: 25,693,135 km (0.103 R)
• M22: 27,817,126 km (0.106 R)
• M23: 28,617,773 km (0.087 R)
• M24: 33,972,928 km (0.108 R)
• M25: 37,365,958 km (0.115 R)
• M26: 40,339,664 km (0.103 R)
• M27: 42,145,161 km (0.081 R)
• M28: 43,735,087 km (0.053 R)
• M29: 46,194,476 km (0.086 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 559.3

Radius: 7.5

Gravity: 9.94 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 6.66 AU - 8.52 AU

Year: 14183 Days

Day: 17.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 56,552,804 km

• M1: 93,947 km (0.112 R)
• M2: 380,577 km (0.032 R)
• M3: 623,674 km (0.108 R)
• M4: 954,434 km (0.104 R)
• M5: 1,254,677 km (0.118 R)
• M6: 1,527,993 km (0.054 R)
• M7: 2,727,468 km (0.107 R)
• M8: 3,265,273 km (0.05 R)
• M9: 3,652,731 km (0.083 R)
• M10: 4,276,255 km (0.066 R)
• M11: 5,306,984 km (0.082 R)
• M12: 6,259,474 km (0.077 R)
• M13: 7,451,320 km (0.045 R)
• M14: 9,641,284 km (0.082 R)
• M15: 10,222,471 km (0.094 R)
• M16: 11,281,026 km (0.056 R)
• M17: 11,747,921 km (0.115 R)
• M18: 12,534,058 km (0.028 R)
• M19: 16,251,565 km (0.112 R)
• M20: 17,380,131 km (0.097 R)
• M21: 20,558,039 km (0.088 R)
• M22: 25,469,337 km (0.119 R)
• M23: 26,886,328 km (0.092 R)
• M24: 29,766,087 km (0.088 R)
• M25: 30,544,893 km (0.098 R)
• M26: 38,963,663 km (0.11 R)
• M27: 44,057,620 km (0.106 R)
• M28: 45,653,530 km (0.117 R)
• M29: 51,622,336 km (0.102 R)
• M30: 53,722,091 km (0.105 R)
• M31: 55,710,097 km (0.1 R)
• M32: 56,552,782 km (0.047 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 14,452 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit