🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674

Radius: 11.7

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.6 AU - 0.88 AU

Year: 411 Days

Day: 7.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,403,327 km

• M1: 145,559 km (0.025 R)
• M2: 532,419 km (0.027 R)
• M3: 905,666 km (0.034 R)
• M4: 2,253,842 km (0.093 R)
• M5: 2,978,194 km (0.078 R)
• M6: 3,448,081 km (0.084 R)
• M7: 4,006,530 km (0.104 R)
• M8: 4,799,698 km (0.028 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.2

Radius: 13.7

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.63 AU - 0.93 AU

Year: 445 Days

Day: 11.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,403,327 km

• M1: 170,542 km (0.116 R)
• M2: 653,144 km (0.07 R)
• M3: 1,093,112 km (0.103 R)
• M4: 1,655,001 km (0.064 R)
• M5: 2,124,290 km (0.082 R)
• M6: 3,483,835 km (0.075 R)
• M7: 3,975,115 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.6

Radius: 11.2

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.24 AU - 3 AU

Year: 2738 Days

Day: 8.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 51,403,327 km

• M1: 139,276 km (0.103 R)
• M2: 628,012 km (0.106 R)
• M3: 1,395,150 km (0.104 R)
• M4: 2,032,137 km (0.117 R)
• M5: 3,174,018 km (0.071 R)
• M6: 3,747,427 km (0.103 R)
• M7: 4,454,725 km (0.1 R)
• M8: 5,398,389 km (0.091 R)
• M9: 5,891,164 km (0.074 R)
• M10: 6,730,259 km (0.092 R)
• M11: 7,647,294 km (0.108 R)
• M12: 8,036,697 km (0.11 R)
• M13: 9,212,536 km (0.098 R)
• M14: 9,728,798 km (0.104 R)
• M15: 10,698,641 km (0.115 R)
• M16: 11,310,796 km (0.029 R)
• M17: 12,338,832 km (0.084 R)
• M18: 13,757,469 km (0.108 R)
• M19: 14,629,475 km (0.072 R)
• M20: 16,699,162 km (0.052 R)
• M21: 18,605,936 km (0.114 R)
• M22: 19,312,337 km (0.067 R)
• M23: 20,036,540 km (0.077 R)
• M24: 21,283,588 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.5

Radius: 13.8

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.81 AU - 3.35 AU

Year: 3490 Days

Day: 9.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,403,327 km

• M1: 171,888 km (0.045 R)
• M2: 636,240 km (0.037 R)
• M3: 1,415,196 km (0.057 R)
• M4: 2,377,559 km (0.083 R)
• M5: 3,515,550 km (0.109 R)
• M6: 5,795,870 km (0.099 R)
• M7: 6,440,787 km (0.114 R)
• M8: 8,409,644 km (0.115 R)
• M9: 9,121,880 km (0.07 R)
• M10: 10,752,945 km (0.11 R)
• M11: 11,820,625 km (0.095 R)
• M12: 14,906,081 km (0.064 R)
• M13: 20,620,271 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164

Radius: 9.9

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 4.75 AU - 5.05 AU

Year: 7003 Days

Day: 9 Hours

Environment

Temp: -206 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,403,327 km

• M1: 123,119 km (0.114 R)
• M2: 470,784 km (0.088 R)
• M3: 962,214 km (0.053 R)
• M4: 1,394,252 km (0.051 R)
• M5: 2,031,838 km (0.096 R)
• M6: 2,425,580 km (0.083 R)
• M7: 4,538,949 km (0.108 R)
• M8: 4,870,009 km (0.03 R)
• M9: 5,319,401 km (0.101 R)
• M10: 5,823,696 km (0.108 R)
• M11: 8,622,073 km (0.106 R)
• M12: 8,984,250 km (0.082 R)
• M13: 10,658,699 km (0.1 R)
• M14: 13,814,615 km (0.066 R)
• M15: 14,563,951 km (0.045 R)
• M16: 15,551,746 km (0.12 R)
• M17: 16,694,823 km (0.081 R)
• M18: 20,781,089 km (0.066 R)
• M19: 21,898,136 km (0.111 R)
• M20: 22,234,133 km (0.065 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 262.8

Radius: 6.3

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 8.25 AU - 10.09 AU

Year: 17930 Days

Day: 20.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 51,403,327 km

• M1: 78,389 km (0.099 R)
• M2: 617,390 km (0.092 R)
• M3: 889,958 km (0.118 R)
• M4: 1,134,101 km (0.114 R)
• M5: 1,369,419 km (0.114 R)
• M6: 1,652,159 km (0.118 R)
• M7: 2,095,567 km (0.036 R)
• M8: 2,453,106 km (0.04 R)
• M9: 2,917,009 km (0.055 R)
• M10: 3,962,997 km (0.084 R)
• M11: 4,755,268 km (0.118 R)
• M12: 5,305,638 km (0.103 R)
• M13: 6,886,588 km (0.077 R)
• M14: 7,088,845 km (0.079 R)
• M15: 7,762,783 km (0.066 R)
• M16: 8,805,181 km (0.04 R)
• M17: 10,406,477 km (0.118 R)
• M18: 10,619,354 km (0.112 R)
• M19: 12,075,241 km (0.117 R)
• M20: 14,633,813 km (0.071 R)
• M21: 16,720,105 km (0.098 R)
• M22: 17,758,314 km (0.118 R)
• M23: 19,962,639 km (0.109 R)
• M24: 21,644,568 km (0.099 R)
• M25: 22,697,887 km (0.08 R)
• M26: 26,062,193 km (0.1 R)
• M27: 28,273,848 km (0.085 R)
• M28: 28,584,862 km (0.085 R)
• M29: 29,638,031 km (0.086 R)
• M30: 32,496,697 km (0.082 R)
• M31: 34,344,380 km (0.093 R)
• M32: 40,305,706 km (0.046 R)
• M33: 49,728,127 km (0.092 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 369 - 12,478 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit