🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.2

Radius: 11.9

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.99 AU - 1.31 AU

Year: 822 Days

Day: 5.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,005,119 km

• M1: 148,999 km (0.11 R)
• M2: 574,905 km (0.062 R)
• M3: 1,009,187 km (0.075 R)
• M4: 1,435,541 km (0.066 R)
• M5: 1,917,396 km (0.09 R)
• M6: 2,297,524 km (0.108 R)
• M7: 2,704,580 km (0.102 R)
• M8: 3,622,213 km (0.08 R)
• M9: 4,292,412 km (0.07 R)
• M10: 5,268,538 km (0.062 R)
• M11: 5,942,476 km (0.066 R)
• M12: 7,438,605 km (0.078 R)
• M13: 8,313,602 km (0.095 R)
• M14: 8,816,700 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.9

Radius: 12.8

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.44 AU - 2 AU

Year: 1504 Days

Day: 13.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,005,119 km

• M1: 160,219 km (0.116 R)
• M2: 641,176 km (0.057 R)
• M3: 1,409,511 km (0.072 R)
• M4: 2,102,149 km (0.07 R)
• M5: 2,572,934 km (0.117 R)
• M6: 3,025,318 km (0.109 R)
• M7: 3,644,204 km (0.099 R)
• M8: 5,377,445 km (0.058 R)
• M9: 9,100,786 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.5

Radius: 10.2

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.86 AU - 2.12 AU

Year: 1872 Days

Day: 5.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,005,119 km

• M1: 126,859 km (0.093 R)
• M2: 890,107 km (0.08 R)
• M3: 2,746,318 km (0.106 R)
• M4: 3,237,148 km (0.049 R)
• M5: 4,787,880 km (0.116 R)
• M6: 6,057,068 km (0.093 R)
• M7: 7,920,758 km (0.067 R)
• M8: 8,285,628 km (0.116 R)
• M9: 8,886,114 km (0.108 R)
• M10: 9,515,472 km (0.086 R)
• M11: 11,505,871 km (0.079 R)
• M12: 13,543,095 km (0.117 R)
• M13: 14,021,659 km (0.104 R)
• M14: 14,466,413 km (0.078 R)
• M15: 15,905,545 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.2

Radius: 10.2

Gravity: 8.66 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.73 AU - 2.31 AU

Year: 1915 Days

Day: 9.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,005,119 km

• M1: 126,859 km (0.063 R)
• M2: 483,201 km (0.096 R)
• M3: 882,179 km (0.076 R)
• M4: 1,329,327 km (0.098 R)
• M5: 1,879,548 km (0.091 R)
• M6: 2,357,513 km (0.063 R)
• M7: 3,720,349 km (0.113 R)
• M8: 4,254,713 km (0.102 R)
• M9: 4,883,323 km (0.098 R)
• M10: 6,093,121 km (0.114 R)
• M11: 6,618,509 km (0.068 R)
• M12: 7,346,303 km (0.104 R)
• M13: 8,441,209 km (0.097 R)
• M14: 9,816,911 km (0.051 R)
• M15: 10,355,763 km (0.098 R)
• M16: 10,688,469 km (0.08 R)
• M17: 11,143,246 km (0.116 R)
• M18: 12,172,928 km (0.091 R)
• M19: 13,351,460 km (0.108 R)
• M20: 13,879,242 km (0.078 R)
• M21: 15,836,730 km (0.113 R)
• M22: 16,328,608 km (0.092 R)

Asteroid Belt

Center: 3.49 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.3

Radius: 14.1

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 4.38 AU - 5.54 AU

Year: 7366 Days

Day: 14.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 40,005,119 km

• M1: 175,329 km (0.066 R)
• M2: 632,350 km (0.092 R)
• M3: 1,102,836 km (0.046 R)
• M4: 2,776,088 km (0.103 R)
• M5: 3,645,999 km (0.103 R)
• M6: 4,220,605 km (0.087 R)
• M7: 5,343,187 km (0.098 R)
• M8: 5,959,082 km (0.058 R)
• M9: 6,971,710 km (0.066 R)
• M10: 8,254,661 km (0.107 R)
• M11: 8,784,985 km (0.073 R)
• M12: 9,337,899 km (0.043 R)
• M13: 10,943,383 km (0.102 R)
• M14: 11,484,180 km (0.117 R)
• M15: 13,159,526 km (0.061 R)
• M16: 13,998,770 km (0.119 R)
• M17: 14,636,805 km (0.065 R)
• M18: 16,667,596 km (0.113 R)
• M19: 18,054,069 km (0.085 R)
• M20: 21,663,268 km (0.035 R)
• M21: 23,072,779 km (0.114 R)
• M22: 24,210,770 km (0.106 R)
• M23: 25,130,797 km (0.063 R)
• M24: 27,577,919 km (0.037 R)
• M25: 30,276,066 km (0.066 R)
• M26: 31,639,650 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 41.3

Radius: 7.2

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 5.98 AU - 7.68 AU

Year: 11903 Days

Day: 20 Hours

Environment

Temp: -220 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,005,119 km

• M1: 166,353 km (0.091 R)
• M2: 507,885 km (0.084 R)
• M3: 824,583 km (0.101 R)
• M4: 1,317,359 km (0.095 R)
• M5: 1,772,585 km (0.107 R)
• M6: 2,487,663 km (0.101 R)
• M7: 2,796,732 km (0.086 R)
• M8: 4,212,227 km (0.118 R)
• M9: 5,862,292 km (0.107 R)
• M10: 9,390,109 km (0.104 R)
• M11: 13,274,268 km (0.098 R)
• M12: 15,774,048 km (0.061 R)
• M13: 17,052,362 km (0.085 R)
• M14: 18,055,266 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 203.2

Radius: 3.3

Gravity: 18.66 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 6.26 AU - 8.96 AU

Year: 13999 Days

Day: 20.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,005,119 km

• M1: 41,139 km (0.073 R)
• M2: 162,912 km (0.115 R)
• M3: 375,341 km (0.103 R)
• M4: 508,483 km (0.057 R)
• M5: 836,402 km (0.089 R)
• M6: 1,088,025 km (0.05 R)
• M7: 1,813,874 km (0.032 R)
• M8: 3,130,635 km (0.12 R)
• M9: 3,353,386 km (0.06 R)
• M10: 3,562,673 km (0.077 R)
• M11: 4,685,405 km (0.102 R)
• M12: 5,096,799 km (0.105 R)
• M13: 6,546,104 km (0.092 R)
• M14: 9,112,156 km (0.091 R)
• M15: 9,565,587 km (0.077 R)
• M16: 10,764,913 km (0.095 R)
• M17: 11,953,468 km (0.099 R)
• M18: 21,835,006 km (0.112 R)
• M19: 28,980,997 km (0.092 R)
• M20: 36,065,803 km (0.12 R)
• M21: 39,765,807 km (0.105 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 262 - 13,756 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit