🌌 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: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.8

Radius: 13.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.93 AU - 0.97 AU

Year: 617 Days

Day: 11.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 82,645,822 km

• M1: 172,935 km (0.104 R)
• M2: 608,714 km (0.042 R)
• M3: 1,326,185 km (0.078 R)
• M4: 2,225,268 km (0.092 R)
• M5: 2,749,908 km (0.034 R)
• M6: 4,293,010 km (0.111 R)
• M7: 4,760,354 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.9

Radius: 10.9

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.32 AU - 2.94 AU

Year: 2844 Days

Day: 8.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 82,645,822 km

• M1: 135,536 km (0.095 R)
• M2: 485,146 km (0.063 R)
• M3: 832,213 km (0.034 R)
• M4: 2,054,428 km (0.077 R)
• M5: 2,472,853 km (0.109 R)
• M6: 2,947,826 km (0.058 R)
• M7: 4,882,575 km (0.081 R)
• M8: 5,512,083 km (0.107 R)
• M9: 7,076,428 km (0.085 R)
• M10: 7,976,708 km (0.03 R)
• M11: 8,552,660 km (0.113 R)
• M12: 10,712,704 km (0.052 R)
• M13: 11,857,726 km (0.053 R)
• M14: 13,434,786 km (0.087 R)
• M15: 14,483,019 km (0.109 R)
• M16: 14,955,598 km (0.118 R)
• M17: 16,793,558 km (0.111 R)
• M18: 17,210,038 km (0.097 R)
• M19: 17,579,994 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.7

Radius: 9.9

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.74 AU - 5.54 AU

Year: 6665 Days

Day: 11.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,645,822 km

• M1: 123,269 km (0.114 R)
• M2: 572,960 km (0.062 R)
• M3: 1,189,453 km (0.068 R)
• M4: 2,697,100 km (0.057 R)
• M5: 3,313,144 km (0.109 R)
• M6: 3,761,040 km (0.045 R)
• M7: 4,313,056 km (0.083 R)
• M8: 5,278,262 km (0.026 R)
• M9: 6,160,291 km (0.054 R)
• M10: 6,723,228 km (0.105 R)
• M11: 8,688,794 km (0.099 R)
• M12: 10,531,840 km (0.09 R)
• M13: 16,465,190 km (0.094 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 160.6

Radius: 4

Gravity: 10.04 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 6.68 AU - 9.18 AU

Year: 14892 Days

Day: 23.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 82,645,822 km

• M1: 49,816 km (0.052 R)
• M2: 195,824 km (0.062 R)
• M3: 322,234 km (0.04 R)
• M4: 688,001 km (0.096 R)
• M5: 969,245 km (0.065 R)
• M6: 5,556,364 km (0.114 R)
• M7: 5,780,462 km (0.062 R)
• M8: 6,077,413 km (0.084 R)
• M9: 7,716,707 km (0.115 R)
• M10: 8,036,098 km (0.05 R)
• M11: 10,235,337 km (0.033 R)
• M12: 11,016,088 km (0.062 R)
• M13: 11,420,900 km (0.091 R)
• M14: 13,653,050 km (0.119 R)
• M15: 13,885,226 km (0.098 R)
• M16: 16,224,188 km (0.109 R)
• M17: 16,419,264 km (0.05 R)
• M18: 17,148,254 km (0.114 R)
• M19: 28,017,886 km (0.068 R)
• M20: 36,279,279 km (0.055 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 106.7

Radius: 7.3

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 7.89 AU - 8.11 AU

Year: 15089 Days

Day: 18.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,645,822 km

• M1: 106,813 km (0.107 R)
• M2: 3,856,484 km (0.025 R)
• M3: 4,096,139 km (0.099 R)
• M4: 5,015,269 km (0.068 R)
• M5: 5,389,562 km (0.091 R)
• M6: 8,038,791 km (0.115 R)
• M7: 9,774,874 km (0.083 R)
• M8: 13,970,197 km (0.028 R)
• M9: 17,157,230 km (0.111 R)
• M10: 20,507,026 km (0.119 R)
• M11: 22,604,537 km (0.067 R)
• M12: 25,506,138 km (0.061 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 598.1

Radius: 4.9

Gravity: 24.91 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 9.97 AU - 11.97 AU

Year: 24229 Days

Day: 15.2 Hours

Environment

Temp: -245 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 82,645,822 km

• M1: 63,130 km (0.094 R)
• M2: 259,702 km (0.093 R)
• M3: 592,408 km (0.093 R)
• M4: 964,457 km (0.108 R)
• M5: 1,146,518 km (0.09 R)
• M6: 1,479,224 km (0.067 R)
• M7: 1,972,747 km (0.113 R)
• M8: 2,181,137 km (0.11 R)
• M9: 2,497,536 km (0.089 R)
• M10: 2,975,202 km (0.053 R)
• M11: 3,481,741 km (0.083 R)
• M12: 6,092,523 km (0.094 R)
• M13: 7,436,959 km (0.115 R)
• M14: 10,446,120 km (0.087 R)
• M15: 10,823,705 km (0.084 R)
• M16: 12,636,383 km (0.113 R)
• M17: 13,137,535 km (0.088 R)
• M18: 14,103,040 km (0.08 R)
• M19: 14,956,197 km (0.114 R)
• M20: 16,091,046 km (0.086 R)
• M21: 23,056,323 km (0.113 R)
• M22: 25,799,798 km (0.115 R)
• M23: 26,838,456 km (0.102 R)
• M24: 28,998,949 km (0.069 R)
• M25: 31,402,239 km (0.062 R)
• M26: 32,585,558 km (0.077 R)
• M27: 34,209,293 km (0.094 R)
• M28: 37,324,669 km (0.1 R)
• M29: 43,625,581 km (0.095 R)
• M30: 46,433,683 km (0.065 R)
• M31: 48,660,597 km (0.118 R)
• M32: 56,724,820 km (0.118 R)
• M33: 58,477,209 km (0.119 R)
• M34: 65,847,896 km (0.102 R)
• M35: 66,061,073 km (0.089 R)
• M36: 68,435,940 km (0.094 R)
• M37: 73,126,730 km (0.095 R)
• M38: 77,077,461 km (0.104 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: 514 - 14,310 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit