🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.9

Radius: 10.1

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.55 AU - 0.63 AU

Year: 313 Days

Day: 5.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 102.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,400,794 km

• M1: 125,662 km (0.052 R)
• M2: 456,722 km (0.034 R)
• M3: 1,155,943 km (0.077 R)
• M4: 1,748,350 km (0.032 R)
• M5: 2,065,348 km (0.027 R)
• M6: 2,452,807 km (0.109 R)
• M7: 2,978,194 km (0.109 R)
• M8: 3,307,011 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.7

Radius: 13.7

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.45 AU - 0.75 AU

Year: 321 Days

Day: 10.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 47,400,794 km

• M1: 170,392 km (0.111 R)
• M2: 646,263 km (0.104 R)
• M3: 1,679,685 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.1

Radius: 11.9

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.66 AU - 0.86 AU

Year: 457 Days

Day: 8.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 47,400,794 km

• M1: 147,952 km (0.09 R)
• M2: 541,993 km (0.099 R)
• M3: 989,889 km (0.087 R)
• M4: 1,395,299 km (0.088 R)
• M5: 1,842,747 km (0.085 R)
• M6: 2,449,665 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.7

Radius: 11.5

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.59 AU - 1.81 AU

Year: 1530 Days

Day: 6 Hours

Environment

Temp: -199 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,400,794 km

• M1: 143,016 km (0.117 R)
• M2: 520,152 km (0.119 R)
• M3: 1,005,447 km (0.102 R)
• M4: 1,429,108 km (0.09 R)
• M5: 1,864,289 km (0.065 R)
• M6: 2,400,747 km (0.063 R)
• M7: 2,934,512 km (0.045 R)
• M8: 4,376,037 km (0.099 R)
• M9: 4,878,686 km (0.114 R)
• M10: 5,352,612 km (0.113 R)
• M11: 6,343,099 km (0.078 R)
• M12: 6,725,322 km (0.06 R)
• M13: 7,095,726 km (0.109 R)
• M14: 7,705,637 km (0.061 R)
• M15: 8,716,769 km (0.115 R)
• M16: 9,094,055 km (0.071 R)
• M17: 10,821,012 km (0.108 R)
• M18: 11,629,738 km (0.08 R)
• M19: 12,360,225 km (0.085 R)
• M20: 12,958,467 km (0.068 R)
• M21: 13,492,382 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.9

Radius: 11

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.19 AU - 2.23 AU

Year: 2268 Days

Day: 10.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 47,400,794 km

• M1: 138,677 km (0.09 R)
• M2: 810,222 km (0.112 R)
• M3: 1,153,549 km (0.104 R)
• M4: 1,607,878 km (0.076 R)
• M5: 2,259,526 km (0.105 R)
• M6: 2,699,942 km (0.104 R)
• M7: 3,214,260 km (0.075 R)
• M8: 4,950,642 km (0.096 R)
• M9: 5,699,230 km (0.074 R)
• M10: 6,356,563 km (0.106 R)
• M11: 7,635,775 km (0.079 R)
• M12: 8,568,218 km (0.112 R)
• M13: 9,683,171 km (0.032 R)
• M14: 10,275,878 km (0.11 R)
• M15: 13,563,441 km (0.085 R)
• M16: 14,211,499 km (0.068 R)
• M17: 15,370,433 km (0.051 R)
• M18: 16,643,511 km (0.094 R)
• M19: 17,012,270 km (0.114 R)
• M20: 17,875,599 km (0.084 R)
• M21: 18,374,059 km (0.071 R)
• M22: 18,767,950 km (0.115 R)
• M23: 19,398,505 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 338.7

Radius: 6.5

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 4.98 AU - 6.64 AU

Year: 9667 Days

Day: 15.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 47,400,794 km

• M1: 83,176 km (0.032 R)
• M2: 300,093 km (0.091 R)
• M3: 2,257,282 km (0.12 R)
• M4: 2,482,876 km (0.085 R)
• M5: 2,919,253 km (0.099 R)
• M6: 3,383,305 km (0.1 R)
• M7: 3,633,134 km (0.113 R)
• M8: 3,846,610 km (0.114 R)
• M9: 4,377,832 km (0.115 R)
• M10: 5,043,543 km (0.091 R)
• M11: 6,199,037 km (0.098 R)
• M12: 6,504,964 km (0.12 R)
• M13: 8,681,613 km (0.096 R)
• M14: 8,935,780 km (0.082 R)
• M15: 11,003,671 km (0.074 R)
• M16: 11,351,636 km (0.099 R)
• M17: 11,809,854 km (0.093 R)
• M18: 13,370,609 km (0.069 R)
• M19: 16,569,610 km (0.107 R)
• M20: 16,895,584 km (0.093 R)
• M21: 21,839,943 km (0.077 R)
• M22: 22,231,740 km (0.098 R)
• M23: 22,548,588 km (0.065 R)
• M24: 24,094,831 km (0.061 R)
• M25: 24,851,348 km (0.045 R)
• M26: 28,128,439 km (0.104 R)
• M27: 31,983,127 km (0.079 R)
• M28: 35,849,185 km (0.107 R)
• M29: 36,614,079 km (0.053 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 683.9

Radius: 6.5

Gravity: 16.19 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 5.59 AU - 6.17 AU

Year: 9842 Days

Day: 23.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 47,400,794 km

• M1: 80,783 km (0.104 R)
• M2: 289,621 km (0.069 R)
• M3: 641,625 km (0.074 R)
• M4: 912,547 km (0.058 R)
• M5: 1,295,667 km (0.092 R)
• M6: 1,517,970 km (0.109 R)
• M7: 2,556,328 km (0.114 R)
• M8: 2,887,837 km (0.098 R)
• M9: 3,271,107 km (0.118 R)
• M10: 3,922,456 km (0.05 R)
• M11: 5,546,341 km (0.056 R)
• M12: 6,102,995 km (0.075 R)
• M13: 6,469,360 km (0.104 R)
• M14: 8,039,838 km (0.073 R)
• M15: 8,706,446 km (0.1 R)
• M16: 9,313,515 km (0.09 R)
• M17: 12,778,501 km (0.117 R)
• M18: 13,016,212 km (0.096 R)
• M19: 15,558,328 km (0.079 R)
• M20: 20,204,090 km (0.08 R)
• M21: 24,037,087 km (0.089 R)
• M22: 27,235,639 km (0.093 R)
• M23: 31,133,860 km (0.105 R)
• M24: 31,564,702 km (0.119 R)
• M25: 35,975,446 km (0.08 R)
• M26: 36,569,050 km (0.061 R)
• M27: 38,760,210 km (0.039 R)
• M28: 39,133,756 km (0.044 R)
• M29: 42,604,127 km (0.088 R)
• M30: 43,804,949 km (0.066 R)
• M31: 44,210,210 km (0.1 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 540 - 19,688 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit