🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.7

Radius: 11

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.5 AU - 0.56 AU

Year: 257 Days

Day: 9.4 Hours

Environment

Temp: -134 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,156,077 km

• M1: 136,732 km (0.08 R)
• M2: 728,691 km (0.117 R)
• M3: 1,163,572 km (0.114 R)
• M4: 1,517,820 km (0.083 R)
• M5: 1,916,798 km (0.074 R)
• M6: 2,344,797 km (0.102 R)
• M7: 2,771,301 km (0.094 R)
• M8: 3,259,887 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.1

Radius: 9.8

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.98 AU - 1.26 AU

Year: 790 Days

Day: 10.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 136.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,156,077 km

• M1: 121,922 km (0.08 R)
• M2: 434,881 km (0.076 R)
• M3: 803,191 km (0.112 R)
• M4: 1,120,189 km (0.104 R)
• M5: 1,425,219 km (0.093 R)
• M6: 2,604,499 km (0.117 R)
• M7: 3,139,611 km (0.088 R)
• M8: 3,535,895 km (0.036 R)
• M9: 3,896,127 km (0.059 R)
• M10: 4,222,400 km (0.093 R)
• M11: 4,675,382 km (0.054 R)
• M12: 5,110,562 km (0.097 R)
• M13: 5,432,796 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.1

Radius: 12.6

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.15 AU - 1.27 AU

Year: 888 Days

Day: 6.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,156,077 km

• M1: 156,928 km (0.12 R)
• M2: 842,834 km (0.056 R)
• M3: 1,306,588 km (0.103 R)
• M4: 2,430,965 km (0.106 R)
• M5: 4,602,678 km (0.063 R)
• M6: 5,683,522 km (0.12 R)
• M7: 6,841,559 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.6

Radius: 9.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.23 AU - 3.69 AU

Year: 3396 Days

Day: 8.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,156,077 km

• M1: 119,529 km (0.101 R)
• M2: 419,024 km (0.097 R)
• M3: 945,459 km (0.112 R)
• M4: 1,424,172 km (0.12 R)
• M5: 1,869,225 km (0.09 R)
• M6: 2,467,018 km (0.095 R)
• M7: 3,013,051 km (0.113 R)
• M8: 3,430,728 km (0.112 R)
• M9: 4,901,125 km (0.117 R)
• M10: 6,629,579 km (0.025 R)
• M11: 8,098,630 km (0.112 R)
• M12: 8,731,280 km (0.065 R)
• M13: 9,396,541 km (0.026 R)
• M14: 10,930,817 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.1

Radius: 11.4

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 3.25 AU - 4.69 AU

Year: 5275 Days

Day: 6.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 48,156,077 km

• M1: 142,118 km (0.103 R)
• M2: 512,822 km (0.096 R)
• M3: 1,055,712 km (0.047 R)
• M4: 1,527,095 km (0.107 R)
• M5: 1,967,661 km (0.072 R)
• M6: 2,592,082 km (0.111 R)
• M7: 3,053,741 km (0.119 R)
• M8: 3,425,492 km (0.075 R)
• M9: 4,074,747 km (0.117 R)
• M10: 4,429,294 km (0.082 R)
• M11: 5,093,060 km (0.087 R)
• M12: 5,505,501 km (0.098 R)
• M13: 6,120,348 km (0.119 R)
• M14: 9,450,845 km (0.118 R)
• M15: 10,033,380 km (0.1 R)
• M16: 11,042,268 km (0.033 R)
• M17: 11,408,633 km (0.095 R)
• M18: 13,261,402 km (0.086 R)
• M19: 14,205,664 km (0.051 R)
• M20: 14,859,706 km (0.108 R)
• M21: 15,994,256 km (0.07 R)
• M22: 18,244,059 km (0.109 R)
• M23: 19,677,805 km (0.064 R)
• M24: 20,081,420 km (0.105 R)
• M25: 20,559,385 km (0.119 R)
• M26: 21,325,924 km (0.097 R)
• M27: 23,815,682 km (0.093 R)
• M28: 25,209,485 km (0.053 R)
• M29: 26,006,991 km (0.093 R)
• M30: 27,904,790 km (0.113 R)
• M31: 28,930,882 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.3

Radius: 10.2

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.54 AU - 5.16 AU

Year: 6050 Days

Day: 7.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,156,077 km

• M1: 128,953 km (0.111 R)
• M2: 454,927 km (0.08 R)
• M3: 1,013,825 km (0.114 R)
• M4: 1,734,288 km (0.101 R)
• M5: 3,892,237 km (0.104 R)
• M6: 5,090,217 km (0.045 R)
• M7: 5,811,877 km (0.084 R)
• M8: 7,730,171 km (0.093 R)
• M9: 10,369,376 km (0.084 R)
• M10: 11,289,553 km (0.056 R)
• M11: 12,899,525 km (0.067 R)
• M12: 14,751,696 km (0.053 R)
• M13: 15,914,670 km (0.072 R)
• M14: 16,315,742 km (0.048 R)
• M15: 17,295,010 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 331.7

Radius: 4.2

Gravity: 18.8 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 6.27 AU - 9.29 AU

Year: 14471 Days

Day: 16.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 48,156,077 km

• M1: 53,556 km (0.094 R)
• M2: 214,523 km (0.077 R)
• M3: 347,067 km (0.044 R)
• M4: 614,847 km (0.093 R)
• M5: 888,013 km (0.105 R)
• M6: 1,020,257 km (0.095 R)
• M7: 1,213,388 km (0.096 R)
• M8: 1,734,288 km (0.119 R)
• M9: 2,315,326 km (0.114 R)
• M10: 2,629,781 km (0.082 R)
• M11: 3,367,598 km (0.113 R)
• M12: 3,903,607 km (0.099 R)
• M13: 4,406,555 km (0.057 R)
• M14: 4,673,587 km (0.096 R)
• M15: 4,983,105 km (0.106 R)
• M16: 5,711,647 km (0.086 R)
• M17: 6,777,083 km (0.092 R)
• M18: 8,275,754 km (0.09 R)
• M19: 12,137,773 km (0.09 R)
• M20: 13,756,571 km (0.054 R)
• M21: 15,513,748 km (0.103 R)
• M22: 15,649,583 km (0.075 R)
• M23: 17,488,290 km (0.025 R)
• M24: 17,783,447 km (0.072 R)
• M25: 19,783,122 km (0.037 R)
• M26: 21,842,486 km (0.113 R)
• M27: 25,997,118 km (0.108 R)
• M28: 33,622,121 km (0.066 R)
• M29: 33,963,953 km (0.095 R)
• M30: 35,944,628 km (0.051 R)
• M31: 39,752,044 km (0.072 R)
• M32: 45,050,501 km (0.107 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 480 - 18,026 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit