🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.5

Radius: 12.5

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.07 AU - 1.61 AU

Year: 1034 Days

Day: 9.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,869,292 km

• M1: 156,330 km (0.077 R)
• M2: 642,822 km (0.087 R)
• M3: 1,738,477 km (0.083 R)
• M4: 2,169,618 km (0.082 R)
• M5: 3,625,654 km (0.11 R)
• M6: 4,209,684 km (0.113 R)
• M7: 5,178,330 km (0.11 R)
• M8: 5,903,132 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.3

Radius: 15

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.97 AU - 2.67 AU

Year: 2356 Days

Day: 11.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,869,292 km

• M1: 186,549 km (0.103 R)
• M2: 711,188 km (0.089 R)
• M3: 1,240,316 km (0.114 R)
• M4: 1,773,632 km (0.062 R)
• M5: 2,816,030 km (0.035 R)
• M6: 3,648,991 km (0.105 R)
• M7: 5,214,234 km (0.096 R)
• M8: 6,042,258 km (0.096 R)
• M9: 8,649,898 km (0.032 R)
• M10: 10,565,649 km (0.116 R)
• M11: 11,196,204 km (0.092 R)
• M12: 12,146,450 km (0.085 R)
• M13: 14,160,635 km (0.077 R)
• M14: 14,927,923 km (0.042 R)
• M15: 16,389,344 km (0.067 R)
• M16: 17,889,063 km (0.059 R)
• M17: 18,957,641 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258

Radius: 11.6

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.62 AU - 4.06 AU

Year: 4071 Days

Day: 6.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,869,292 km

• M1: 144,362 km (0.093 R)
• M2: 722,857 km (0.113 R)
• M3: 1,204,263 km (0.084 R)
• M4: 1,697,337 km (0.077 R)
• M5: 2,706,525 km (0.037 R)
• M6: 3,863,963 km (0.03 R)
• M7: 5,067,329 km (0.092 R)
• M8: 5,593,614 km (0.098 R)
• M9: 6,182,431 km (0.114 R)
• M10: 6,926,082 km (0.078 R)
• M11: 8,426,998 km (0.082 R)
• M12: 9,518,015 km (0.06 R)
• M13: 10,246,108 km (0.112 R)
• M14: 11,528,461 km (0.098 R)
• M15: 12,187,589 km (0.108 R)
• M16: 12,871,550 km (0.106 R)
• M17: 13,356,397 km (0.038 R)
• M18: 14,083,592 km (0.101 R)
• M19: 15,517,787 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.3

Radius: 15

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.27 AU - 4.17 AU

Year: 4785 Days

Day: 13.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,869,292 km

• M1: 186,698 km (0.082 R)
• M2: 845,228 km (0.096 R)
• M3: 1,617,452 km (0.115 R)
• M4: 2,273,588 km (0.103 R)
• M5: 2,801,071 km (0.116 R)
• M6: 3,490,567 km (0.066 R)
• M7: 4,977,271 km (0.115 R)
• M8: 6,112,868 km (0.082 R)
• M9: 7,147,337 km (0.105 R)
• M10: 8,856,792 km (0.052 R)
• M11: 12,579,984 km (0.079 R)
• M12: 13,937,286 km (0.119 R)
• M13: 17,542,445 km (0.075 R)
• M14: 18,532,783 km (0.115 R)
• M15: 20,760,893 km (0.095 R)
• M16: 21,869,114 km (0.093 R)
• M17: 22,943,377 km (0.061 R)
• M18: 24,430,379 km (0.104 R)
• M19: 26,139,236 km (0.109 R)
• M20: 27,349,333 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.7

Radius: 10.2

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4.21 AU - 4.25 AU

Year: 5801 Days

Day: 8 Hours

Environment

Temp: -224 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 55,869,292 km

• M1: 127,906 km (0.096 R)
• M2: 573,857 km (0.071 R)
• M3: 917,633 km (0.062 R)
• M4: 1,238,371 km (0.063 R)
• M5: 1,795,922 km (0.105 R)
• M6: 3,079,023 km (0.11 R)
• M7: 4,206,842 km (0.084 R)
• M8: 5,744,259 km (0.09 R)
• M9: 6,091,924 km (0.088 R)
• M10: 7,366,349 km (0.037 R)
• M11: 9,018,956 km (0.079 R)
• M12: 10,527,651 km (0.055 R)
• M13: 11,146,837 km (0.096 R)
• M14: 12,198,061 km (0.105 R)
• M15: 12,827,718 km (0.104 R)
• M16: 14,038,264 km (0.088 R)
• M17: 14,847,439 km (0.072 R)
• M18: 15,871,287 km (0.077 R)
• M19: 16,941,510 km (0.087 R)
• M20: 22,012,579 km (0.093 R)
• M21: 22,710,154 km (0.112 R)
• M22: 26,076,106 km (0.108 R)
• M23: 27,922,592 km (0.117 R)
• M24: 28,284,021 km (0.111 R)
• M25: 29,386,856 km (0.105 R)
• M26: 30,613,708 km (0.085 R)
• M27: 33,473,122 km (0.097 R)
• M28: 33,983,550 km (0.039 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 91.1

Radius: 6.6

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 5.28 AU - 6.92 AU

Year: 10047 Days

Day: 20.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,869,292 km

• M1: 84,822 km (0.109 R)
• M2: 315,203 km (0.039 R)
• M3: 547,678 km (0.039 R)
• M4: 1,001,707 km (0.115 R)
• M5: 2,109,480 km (0.099 R)
• M6: 2,942,291 km (0.091 R)
• M7: 3,307,759 km (0.073 R)
• M8: 3,703,146 km (0.114 R)
• M9: 4,107,509 km (0.118 R)
• M10: 5,689,057 km (0.102 R)
• M11: 6,315,723 km (0.119 R)
• M12: 8,048,066 km (0.069 R)
• M13: 8,472,176 km (0.099 R)
• M14: 12,280,190 km (0.116 R)
• M15: 16,751,371 km (0.081 R)
• M16: 18,697,939 km (0.104 R)
• M17: 23,744,473 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 275.7

Radius: 4.6

Gravity: 13.03 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 7.4 AU - 11.8 AU

Year: 19835 Days

Day: 22.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,869,292 km

• M1: 57,296 km (0.03 R)
• M2: 249,380 km (0.114 R)
• M3: 1,230,592 km (0.113 R)
• M4: 2,450,114 km (0.104 R)
• M5: 3,683,100 km (0.091 R)
• M6: 6,583,353 km (0.082 R)
• M7: 6,908,878 km (0.057 R)
• M8: 11,873,134 km (0.098 R)
• M9: 17,298,451 km (0.102 R)
• M10: 17,606,323 km (0.05 R)
• M11: 25,339,187 km (0.092 R)
• M12: 36,809,603 km (0.09 R)
• M13: 50,995,371 km (0.101 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 334 - 18,960 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit