🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.4

Radius: 13.6

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.77 AU - 1.11 AU

Year: 588 Days

Day: 8.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 30,710,935 km

• M1: 175,628 km (0.1 R)
• M2: 652,546 km (0.11 R)
• M3: 1,243,308 km (0.1 R)
• M4: 2,076,418 km (0.103 R)
• M5: 2,657,756 km (0.096 R)
• M6: 3,489,819 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.4

Radius: 9.1

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.07 AU - 1.17 AU

Year: 765 Days

Day: 10.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,710,935 km

• M1: 113,246 km (0.068 R)
• M2: 710,291 km (0.103 R)
• M3: 1,074,113 km (0.117 R)
• M4: 1,457,382 km (0.103 R)
• M5: 2,042,161 km (0.115 R)
• M6: 2,457,893 km (0.102 R)
• M7: 2,867,492 km (0.058 R)
• M8: 3,402,304 km (0.08 R)
• M9: 3,849,153 km (0.041 R)
• M10: 4,389,650 km (0.069 R)
• M11: 4,685,555 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.9

Radius: 10

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.34 AU - 2.52 AU

Year: 2446 Days

Day: 10.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,710,935 km

• M1: 124,316 km (0.088 R)
• M2: 442,959 km (0.091 R)
• M3: 764,296 km (0.118 R)
• M4: 1,128,267 km (0.093 R)
• M5: 1,561,951 km (0.119 R)
• M6: 2,539,125 km (0.113 R)
• M7: 2,855,973 km (0.093 R)
• M8: 3,199,599 km (0.089 R)
• M9: 4,135,334 km (0.111 R)
• M10: 4,861,183 km (0.105 R)
• M11: 5,785,698 km (0.11 R)
• M12: 7,951,127 km (0.103 R)
• M13: 8,453,776 km (0.104 R)
• M14: 9,489,891 km (0.069 R)
• M15: 10,329,583 km (0.105 R)
• M16: 10,643,739 km (0.116 R)
• M17: 11,475,802 km (0.087 R)
• M18: 13,065,579 km (0.057 R)
• M19: 13,433,440 km (0.104 R)
• M20: 14,709,510 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.4

Radius: 12.2

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.81 AU - 3.15 AU

Year: 3322 Days

Day: 8.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,710,935 km

• M1: 151,842 km (0.057 R)
• M2: 573,558 km (0.07 R)
• M3: 1,776,325 km (0.038 R)
• M4: 2,860,760 km (0.119 R)
• M5: 3,450,475 km (0.101 R)
• M6: 4,468,339 km (0.083 R)
• M7: 5,185,511 km (0.111 R)
• M8: 6,132,316 km (0.073 R)
• M9: 6,753,596 km (0.077 R)
• M10: 7,621,264 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114

Radius: 14.6

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.38 AU - 3.5 AU

Year: 4120 Days

Day: 6.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,710,935 km

• M1: 181,911 km (0.071 R)
• M2: 636,389 km (0.047 R)
• M3: 1,687,763 km (0.113 R)
• M4: 2,339,860 km (0.115 R)
• M5: 3,008,862 km (0.098 R)
• M6: 3,485,930 km (0.109 R)
• M7: 5,607,227 km (0.08 R)
• M8: 7,985,385 km (0.103 R)
• M9: 8,695,376 km (0.101 R)
• M10: 9,350,765 km (0.075 R)
• M11: 11,044,811 km (0.07 R)
• M12: 12,658,673 km (0.111 R)
• M13: 13,460,966 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.6

Radius: 8.6

Gravity: 10.08 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.35 AU - 4.39 AU

Year: 4916 Days

Day: 12.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 30,710,935 km

• M1: 107,112 km (0.104 R)
• M2: 394,490 km (0.101 R)
• M3: 771,626 km (0.092 R)
• M4: 1,464,563 km (0.059 R)
• M5: 1,799,513 km (0.062 R)
• M6: 2,124,888 km (0.074 R)
• M7: 2,540,172 km (0.07 R)
• M8: 3,027,861 km (0.119 R)
• M9: 3,685,493 km (0.037 R)
• M10: 4,360,628 km (0.116 R)
• M11: 5,774,627 km (0.064 R)
• M12: 8,825,676 km (0.061 R)
• M13: 10,785,109 km (0.077 R)
• M14: 12,308,464 km (0.107 R)
• M15: 13,069,768 km (0.072 R)
• M16: 13,594,407 km (0.084 R)
• M17: 15,426,233 km (0.046 R)
• M18: 18,901,691 km (0.099 R)
• M19: 24,723,442 km (0.07 R)
• M20: 25,283,536 km (0.08 R)
• M21: 25,770,328 km (0.119 R)
• M22: 26,345,980 km (0.106 R)
• M23: 26,762,461 km (0.078 R)
• M24: 27,438,045 km (0.073 R)
• M25: 29,532,864 km (0.079 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: 214 - 16,454 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit