🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.5

Radius: 9.1

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.56 AU - 0.66 AU

Year: 323 Days

Day: 14.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 25,438,733 km

• M1: 113,395 km (0.106 R)
• M2: 401,371 km (0.108 R)
• M3: 732,282 km (0.104 R)
• M4: 1,029,383 km (0.08 R)
• M5: 1,316,461 km (0.091 R)
• M6: 1,686,118 km (0.097 R)
• M7: 2,219,883 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964

Radius: 10.3

Gravity: 9.09 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.5 AU - 0.74 AU

Year: 331 Days

Day: 12.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,438,733 km

• M1: 128,654 km (0.107 R)
• M2: 531,820 km (0.116 R)
• M3: 902,075 km (0.092 R)
• M4: 1,338,153 km (0.088 R)
• M5: 1,799,513 km (0.09 R)
• M6: 2,232,898 km (0.058 R)
• M7: 2,826,353 km (0.106 R)
• M8: 3,323,616 km (0.063 R)
• M9: 4,192,032 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929

Radius: 12.5

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.27 AU - 1.67 AU

Year: 1209 Days

Day: 7.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 25,438,733 km

• M1: 167,101 km (0.087 R)
• M2: 677,230 km (0.041 R)
• M3: 1,494,483 km (0.102 R)
• M4: 2,252,944 km (0.105 R)
• M5: 2,655,961 km (0.067 R)
• M6: 3,151,130 km (0.052 R)
• M7: 3,873,538 km (0.036 R)
• M8: 4,839,940 km (0.106 R)
• M9: 5,562,198 km (0.042 R)
• M10: 6,006,355 km (0.096 R)
• M11: 7,378,017 km (0.091 R)
• M12: 8,594,846 km (0.075 R)
• M13: 9,008,784 km (0.118 R)
• M14: 11,108,839 km (0.099 R)
• M15: 12,780,146 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.2

Radius: 10.9

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.54 AU - 1.76 AU

Year: 1438 Days

Day: 12.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 25,438,733 km

• M1: 135,536 km (0.045 R)
• M2: 602,879 km (0.045 R)
• M3: 1,127,669 km (0.11 R)
• M4: 1,621,641 km (0.07 R)
• M5: 2,059,963 km (0.103 R)
• M6: 2,677,802 km (0.093 R)
• M7: 4,074,896 km (0.104 R)
• M8: 4,462,804 km (0.055 R)
• M9: 5,130,758 km (0.059 R)
• M10: 5,755,479 km (0.076 R)
• M11: 6,154,008 km (0.035 R)
• M12: 8,320,185 km (0.08 R)
• M13: 9,728,798 km (0.071 R)
• M14: 10,785,408 km (0.108 R)
• M15: 11,256,193 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.6

Radius: 11.1

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 3.06 AU - 3.26 AU

Year: 3810 Days

Day: 6.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,438,733 km

• M1: 138,079 km (0.083 R)
• M2: 1,143,227 km (0.097 R)
• M3: 1,785,750 km (0.071 R)
• M4: 2,306,051 km (0.096 R)
• M5: 2,925,835 km (0.101 R)
• M6: 4,071,156 km (0.098 R)
• M7: 5,829,829 km (0.09 R)
• M8: 6,745,966 km (0.096 R)
• M9: 7,723,439 km (0.116 R)
• M10: 9,807,337 km (0.111 R)
• M11: 10,187,914 km (0.119 R)
• M12: 12,638,627 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.4

Radius: 9.2

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.5 AU - 3.64 AU

Year: 4575 Days

Day: 14 Hours

Environment

Temp: -209 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 25,438,733 km

• M1: 114,442 km (0.116 R)
• M2: 432,338 km (0.076 R)
• M3: 1,348,026 km (0.033 R)
• M4: 1,899,295 km (0.101 R)
• M5: 2,940,047 km (0.094 R)
• M6: 3,373,133 km (0.098 R)
• M7: 4,574,104 km (0.06 R)
• M8: 5,388,366 km (0.107 R)
• M9: 6,325,297 km (0.065 R)
• M10: 6,680,592 km (0.115 R)
• M11: 8,843,179 km (0.028 R)
• M12: 9,516,220 km (0.111 R)
• M13: 10,344,094 km (0.079 R)
• M14: 13,164,313 km (0.09 R)
• M15: 20,396,772 km (0.033 R)
• M16: 22,513,881 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.5

Radius: 13.3

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.46 AU - 6.66 AU

Year: 8892 Days

Day: 7.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,438,733 km

• M1: 165,455 km (0.088 R)
• M2: 589,416 km (0.089 R)
• M3: 1,221,317 km (0.06 R)
• M4: 1,711,250 km (0.055 R)
• M5: 2,422,738 km (0.117 R)
• M6: 2,977,895 km (0.066 R)
• M7: 3,459,152 km (0.057 R)
• M8: 6,188,714 km (0.098 R)
• M9: 10,531,840 km (0.116 R)
• M10: 12,531,814 km (0.09 R)
• M11: 14,985,069 km (0.064 R)
• M12: 16,922,960 km (0.119 R)
• M13: 18,528,295 km (0.093 R)
• M14: 20,038,635 km (0.088 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 242 - 20,055 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit