🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.6

Radius: 8.8

Gravity: 12.52 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.98 AU - 1.42 AU

Year: 924 Days

Day: 8.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 35,891,671 km

• M1: 109,506 km (0.089 R)
• M2: 427,700 km (0.112 R)
• M3: 726,148 km (0.036 R)
• M4: 1,018,313 km (0.08 R)
• M5: 1,344,137 km (0.045 R)
• M6: 1,777,073 km (0.115 R)
• M7: 2,871,681 km (0.1 R)
• M8: 3,226,228 km (0.096 R)
• M9: 3,702,547 km (0.101 R)
• M10: 4,040,339 km (0.101 R)
• M11: 4,345,968 km (0.097 R)
• M12: 4,685,555 km (0.09 R)
• M13: 5,139,584 km (0.115 R)
• M14: 5,602,141 km (0.071 R)
• M15: 6,070,233 km (0.109 R)
• M16: 6,358,957 km (0.08 R)
• M17: 7,632,633 km (0.077 R)
• M18: 9,011,327 km (0.066 R)
• M19: 9,299,901 km (0.106 R)
• M20: 10,453,899 km (0.04 R)
• M21: 10,902,094 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.2

Radius: 14.5

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.14 AU - 1.7 AU

Year: 1189 Days

Day: 10.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,891,671 km

• M1: 188,793 km (0.103 R)
• M2: 680,072 km (0.095 R)
• M3: 1,216,679 km (0.109 R)
• M4: 1,899,444 km (0.069 R)
• M5: 2,397,156 km (0.054 R)
• M6: 2,906,088 km (0.04 R)
• M7: 5,034,118 km (0.048 R)
• M8: 5,573,568 km (0.074 R)
• M9: 6,815,529 km (0.101 R)
• M10: 7,625,153 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.2

Radius: 13.4

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.46 AU - 1.74 AU

Year: 1423 Days

Day: 7.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,891,671 km

• M1: 171,290 km (0.103 R)
• M2: 1,326,185 km (0.114 R)
• M3: 2,094,669 km (0.082 R)
• M4: 2,902,049 km (0.09 R)
• M5: 4,718,317 km (0.116 R)
• M6: 5,933,949 km (0.105 R)
• M7: 6,814,632 km (0.109 R)
• M8: 7,832,645 km (0.099 R)
• M9: 8,892,696 km (0.087 R)
• M10: 10,901,496 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.6

Radius: 11.4

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.72 AU - 4.42 AU

Year: 4741 Days

Day: 9.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,891,671 km

• M1: 141,819 km (0.098 R)
• M2: 525,388 km (0.078 R)
• M3: 1,091,316 km (0.062 R)
• M4: 1,575,714 km (0.084 R)
• M5: 1,935,796 km (0.085 R)
• M6: 2,351,529 km (0.068 R)
• M7: 2,862,256 km (0.039 R)
• M8: 3,288,161 km (0.115 R)
• M9: 3,995,759 km (0.052 R)
• M10: 5,138,088 km (0.111 R)
• M11: 5,799,760 km (0.088 R)
• M12: 6,424,481 km (0.12 R)
• M13: 6,995,346 km (0.091 R)
• M14: 10,076,763 km (0.096 R)
• M15: 10,500,574 km (0.067 R)
• M16: 11,937,760 km (0.11 R)
• M17: 15,588,547 km (0.04 R)
• M18: 19,012,094 km (0.108 R)
• M19: 19,660,451 km (0.085 R)
• M20: 23,126,036 km (0.115 R)
• M21: 24,772,510 km (0.113 R)
• M22: 26,576,062 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 796.4

Radius: 5.9

Gravity: 22.88 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 5.68 AU - 7.04 AU

Year: 11274 Days

Day: 23.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 35,891,671 km

• M1: 73,602 km (0.075 R)
• M2: 284,386 km (0.106 R)
• M3: 607,667 km (0.076 R)
• M4: 956,379 km (0.034 R)
• M5: 1,459,028 km (0.095 R)
• M6: 1,713,494 km (0.058 R)
• M7: 2,371,276 km (0.073 R)
• M8: 2,971,762 km (0.079 R)
• M9: 5,450,150 km (0.051 R)
• M10: 8,008,423 km (0.092 R)
• M11: 8,706,746 km (0.105 R)
• M12: 11,045,409 km (0.101 R)
• M13: 11,271,601 km (0.052 R)
• M14: 11,616,723 km (0.113 R)
• M15: 13,068,122 km (0.114 R)
• M16: 13,642,279 km (0.061 R)
• M17: 14,299,761 km (0.066 R)
• M18: 14,978,188 km (0.032 R)
• M19: 17,675,437 km (0.081 R)
• M20: 18,456,488 km (0.107 R)
• M21: 19,920,004 km (0.045 R)
• M22: 20,594,690 km (0.03 R)
• M23: 23,539,075 km (0.116 R)
• M24: 24,483,936 km (0.029 R)
• M25: 26,047,832 km (0.097 R)
• M26: 29,481,402 km (0.051 R)
• M27: 29,917,031 km (0.091 R)
• M28: 34,633,253 km (0.116 R)
• M29: 37,484,290 km (0.036 R)
• M30: 38,901,580 km (0.119 R)
• M31: 41,842,524 km (0.076 R)
• M32: 50,454,724 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 66.2

Radius: 6.1

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 7.56 AU - 11.6 AU

Year: 20843 Days

Day: 21.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,891,671 km

• M1: 83,625 km (0.102 R)
• M2: 1,559,408 km (0.091 R)
• M3: 1,964,519 km (0.114 R)
• M4: 3,747,127 km (0.114 R)
• M5: 4,212,676 km (0.088 R)
• M6: 5,810,082 km (0.077 R)
• M7: 8,488,482 km (0.066 R)
• M8: 18,413,553 km (0.056 R)
• M9: 23,987,420 km (0.046 R)
• M10: 25,581,086 km (0.108 R)
• M11: 26,098,695 km (0.093 R)
• M12: 28,422,399 km (0.04 R)
• M13: 30,589,922 km (0.1 R)
• M14: 30,783,502 km (0.101 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 18,520 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit