🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.4

Radius: 9.3

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.56 AU - 0.82 AU

Year: 364 Days

Day: 9.3 Hours

Environment

Temp: -137 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,562,587 km

• M1: 115,789 km (0.077 R)
• M2: 475,422 km (0.106 R)
• M3: 841,638 km (0.08 R)
• M4: 1,259,913 km (0.093 R)
• M5: 1,685,220 km (0.086 R)
• M6: 2,049,192 km (0.036 R)
• M7: 2,506,961 km (0.084 R)
• M8: 3,285,468 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.5

Radius: 11.6

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.12 AU - 1.24 AU

Year: 815 Days

Day: 5.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 94.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,562,587 km

• M1: 146,756 km (0.063 R)
• M2: 661,372 km (0.095 R)
• M3: 1,183,768 km (0.083 R)
• M4: 1,563,298 km (0.117 R)
• M5: 1,989,203 km (0.05 R)
• M6: 2,359,308 km (0.106 R)
• M7: 3,150,382 km (0.119 R)
• M8: 3,624,756 km (0.042 R)
• M9: 4,134,436 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.3

Radius: 11.8

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.35 AU - 1.47 AU

Year: 1065 Days

Day: 11.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,562,587 km

• M1: 146,756 km (0.071 R)
• M2: 540,946 km (0.103 R)
• M3: 923,617 km (0.102 R)
• M4: 1,412,503 km (0.107 R)
• M5: 2,955,605 km (0.068 R)
• M6: 3,541,131 km (0.107 R)
• M7: 4,982,207 km (0.108 R)
• M8: 5,377,595 km (0.084 R)
• M9: 6,339,509 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.7

Radius: 9.1

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 3.44 AU - 3.48 AU

Year: 4092 Days

Day: 7.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,562,587 km

• M1: 113,246 km (0.119 R)
• M2: 549,922 km (0.111 R)
• M3: 964,607 km (0.082 R)
• M4: 1,357,301 km (0.113 R)
• M5: 1,844,243 km (0.092 R)
• M6: 2,471,058 km (0.112 R)
• M7: 4,587,269 km (0.084 R)
• M8: 5,955,491 km (0.073 R)
• M9: 6,952,112 km (0.118 R)
• M10: 7,784,475 km (0.1 R)
• M11: 9,509,488 km (0.099 R)
• M12: 10,866,939 km (0.087 R)
• M13: 12,553,805 km (0.097 R)
• M14: 13,096,396 km (0.078 R)
• M15: 13,611,162 km (0.035 R)
• M16: 14,139,243 km (0.1 R)
• M17: 15,330,491 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.1

Radius: 14.7

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 4.14 AU - 4.46 AU

Year: 5669 Days

Day: 8.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,562,587 km

• M1: 183,108 km (0.107 R)
• M2: 853,755 km (0.111 R)
• M3: 1,581,698 km (0.066 R)
• M4: 2,065,947 km (0.057 R)
• M5: 2,596,570 km (0.119 R)
• M6: 3,094,432 km (0.112 R)
• M7: 4,210,582 km (0.03 R)
• M8: 4,710,089 km (0.116 R)
• M9: 7,873,037 km (0.119 R)
• M10: 8,761,050 km (0.032 R)
• M11: 11,984,435 km (0.059 R)
• M12: 13,833,315 km (0.1 R)
• M13: 15,431,768 km (0.083 R)
• M14: 16,564,075 km (0.099 R)
• M15: 19,854,181 km (0.098 R)
• M16: 21,498,860 km (0.078 R)
• M17: 22,354,559 km (0.1 R)
• M18: 23,721,585 km (0.095 R)
• M19: 27,336,917 km (0.049 R)
• M20: 32,001,677 km (0.047 R)
• M21: 35,641,693 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 459.7

Radius: 4

Gravity: 28.73 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 7.43 AU - 9.11 AU

Year: 15121 Days

Day: 15 Hours

Environment

Temp: -218 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 56,562,587 km

• M1: 51,462 km (0.096 R)
• M2: 188,643 km (0.07 R)
• M3: 316,399 km (0.098 R)
• M4: 539,749 km (0.045 R)
• M5: 1,186,012 km (0.083 R)
• M6: 3,377,022 km (0.112 R)
• M7: 3,505,976 km (0.095 R)
• M8: 3,746,379 km (0.116 R)
• M9: 4,320,087 km (0.045 R)
• M10: 4,755,118 km (0.101 R)
• M11: 5,496,675 km (0.113 R)
• M12: 5,639,391 km (0.099 R)
• M13: 6,044,652 km (0.094 R)
• M14: 6,628,233 km (0.101 R)
• M15: 7,727,328 km (0.116 R)
• M16: 8,651,394 km (0.092 R)
• M17: 8,893,444 km (0.115 R)
• M18: 10,279,318 km (0.077 R)
• M19: 14,259,968 km (0.059 R)
• M20: 14,803,009 km (0.111 R)
• M21: 15,289,351 km (0.109 R)
• M22: 18,915,005 km (0.072 R)
• M23: 22,524,054 km (0.088 R)
• M24: 23,633,621 km (0.037 R)
• M25: 25,761,801 km (0.05 R)
• M26: 26,464,761 km (0.059 R)
• M27: 32,555,788 km (0.117 R)
• M28: 38,990,291 km (0.108 R)
• M29: 43,062,345 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 434.7

Radius: 7.4

Gravity: 7.94 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 8.56 AU - 8.68 AU

Year: 16091 Days

Day: 18 Hours

Environment

Temp: -234 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 56,562,587 km

• M1: 92,003 km (0.096 R)
• M2: 399,875 km (0.099 R)
• M3: 718,219 km (0.11 R)
• M4: 1,131,110 km (0.032 R)
• M5: 2,066,545 km (0.076 R)
• M6: 2,770,852 km (0.097 R)
• M7: 3,733,364 km (0.102 R)
• M8: 4,935,234 km (0.118 R)
• M9: 6,144,134 km (0.1 R)
• M10: 6,654,712 km (0.103 R)
• M11: 9,436,185 km (0.114 R)
• M12: 10,940,092 km (0.116 R)
• M13: 11,927,438 km (0.085 R)
• M14: 13,485,500 km (0.061 R)
• M15: 14,279,715 km (0.062 R)
• M16: 17,382,225 km (0.073 R)
• M17: 20,820,134 km (0.095 R)
• M18: 24,202,542 km (0.072 R)
• M19: 24,686,042 km (0.108 R)
• M20: 29,113,541 km (0.103 R)
• M21: 29,880,978 km (0.04 R)
• M22: 32,032,345 km (0.106 R)
• M23: 36,135,964 km (0.109 R)
• M24: 37,022,182 km (0.11 R)
• M25: 40,848,746 km (0.084 R)
• M26: 45,808,214 km (0.036 R)
• M27: 46,845,975 km (0.098 R)
• M28: 54,223,843 km (0.068 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 256 - 14,716 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit