🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.2

Radius: 10.8

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.42 AU - 0.6 AU

Year: 251 Days

Day: 14 Hours

Environment

Temp: -139 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,068,622 km

• M1: 134,339 km (0.085 R)
• M2: 476,619 km (0.101 R)
• M3: 1,059,153 km (0.115 R)
• M4: 1,544,000 km (0.036 R)
• M5: 1,929,364 km (0.111 R)
• M6: 2,267,605 km (0.071 R)
• M7: 2,711,761 km (0.116 R)
• M8: 3,176,412 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.5

Radius: 10

Gravity: 9.64 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.61 AU - 0.73 AU

Year: 379 Days

Day: 14.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,068,622 km

• M1: 124,316 km (0.052 R)
• M2: 554,410 km (0.118 R)
• M3: 865,723 km (0.062 R)
• M4: 1,211,144 km (0.063 R)
• M5: 1,678,937 km (0.042 R)
• M6: 2,081,056 km (0.095 R)
• M7: 2,527,606 km (0.064 R)
• M8: 2,917,158 km (0.036 R)
• M9: 4,002,790 km (0.109 R)
• M10: 4,361,825 km (0.09 R)
• M11: 5,289,781 km (0.066 R)
• M12: 5,604,235 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.2

Radius: 10.2

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.68 AU - 1.1 AU

Year: 580 Days

Day: 5.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,068,622 km

• M1: 127,009 km (0.117 R)
• M2: 475,871 km (0.079 R)
• M3: 833,111 km (0.118 R)
• M4: 1,427,014 km (0.075 R)
• M5: 1,907,223 km (0.095 R)
• M6: 2,510,252 km (0.105 R)
• M7: 3,277,390 km (0.102 R)
• M8: 3,929,188 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.8

Radius: 12

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.25 AU - 1.25 AU

Year: 965 Days

Day: 11 Hours

Environment

Temp: -185 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,068,622 km

• M1: 149,299 km (0.106 R)
• M2: 630,705 km (0.089 R)
• M3: 1,017,266 km (0.091 R)
• M4: 1,626,278 km (0.056 R)
• M5: 2,133,116 km (0.113 R)
• M6: 3,157,113 km (0.109 R)
• M7: 4,636,786 km (0.05 R)
• M8: 5,628,021 km (0.079 R)
• M9: 6,755,541 km (0.072 R)
• M10: 7,302,620 km (0.047 R)
• M11: 7,928,388 km (0.119 R)
• M12: 8,668,449 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472

Radius: 13

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.96 AU - 2.9 AU

Year: 2615 Days

Day: 13.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,068,622 km

• M1: 161,865 km (0.119 R)
• M2: 697,724 km (0.114 R)
• M3: 1,259,315 km (0.119 R)
• M4: 1,672,953 km (0.057 R)
• M5: 2,118,156 km (0.078 R)
• M6: 2,714,902 km (0.09 R)
• M7: 3,189,576 km (0.106 R)
• M8: 4,288,672 km (0.107 R)
• M9: 4,958,870 km (0.099 R)
• M10: 5,771,037 km (0.062 R)
• M11: 6,915,760 km (0.09 R)
• M12: 7,542,425 km (0.091 R)
• M13: 8,082,923 km (0.095 R)
• M14: 8,553,109 km (0.111 R)
• M15: 9,411,352 km (0.085 R)
• M16: 10,110,123 km (0.104 R)
• M17: 11,650,682 km (0.1 R)
• M18: 12,251,617 km (0.108 R)
• M19: 13,823,142 km (0.119 R)
• M20: 15,287,257 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.7

Radius: 8.7

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.98 AU - 3.28 AU

Year: 2944 Days

Day: 11.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,068,622 km

• M1: 108,608 km (0.115 R)
• M2: 398,678 km (0.028 R)
• M3: 937,979 km (0.105 R)
• M4: 2,284,659 km (0.112 R)
• M5: 2,639,804 km (0.098 R)
• M6: 3,303,420 km (0.099 R)
• M7: 4,837,247 km (0.085 R)
• M8: 5,469,897 km (0.082 R)
• M9: 5,875,157 km (0.063 R)
• M10: 6,570,338 km (0.09 R)
• M11: 6,925,035 km (0.104 R)
• M12: 7,346,003 km (0.079 R)
• M13: 9,875,554 km (0.102 R)
• M14: 13,412,347 km (0.12 R)
• M15: 13,778,113 km (0.027 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.6

Radius: 13.9

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.26 AU - 5.2 AU

Year: 6005 Days

Day: 11.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,068,622 km

• M1: 201,359 km (0.119 R)
• M2: 880,084 km (0.025 R)
• M3: 1,388,418 km (0.075 R)
• M4: 1,967,212 km (0.065 R)
• M5: 4,003,089 km (0.096 R)
• M6: 5,195,684 km (0.105 R)
• M7: 6,945,829 km (0.069 R)
• M8: 7,394,922 km (0.105 R)
• M9: 8,275,305 km (0.102 R)
• M10: 9,939,881 km (0.119 R)
• M11: 11,964,239 km (0.064 R)
• M12: 13,868,770 km (0.064 R)
• M13: 15,672,771 km (0.095 R)
• M14: 17,564,884 km (0.092 R)
• M15: 19,742,132 km (0.098 R)
• M16: 22,390,912 km (0.087 R)
• M17: 24,230,816 km (0.083 R)
• M18: 27,690,267 km (0.116 R)
• M19: 29,179,813 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 842.9

Radius: 6.3

Gravity: 21.24 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 5.51 AU - 6.77 AU

Year: 10502 Days

Day: 22.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 158.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 53,068,622 km

• M1: 90,357 km (0.112 R)
• M2: 334,052 km (0.076 R)
• M3: 634,893 km (0.114 R)
• M4: 1,098,348 km (0.08 R)
• M5: 1,798,466 km (0.098 R)
• M6: 2,198,042 km (0.1 R)
• M7: 3,173,569 km (0.072 R)
• M8: 3,598,427 km (0.105 R)
• M9: 3,920,811 km (0.117 R)
• M10: 4,747,937 km (0.045 R)
• M11: 5,440,725 km (0.087 R)
• M12: 6,350,878 km (0.061 R)
• M13: 8,147,399 km (0.08 R)
• M14: 8,942,811 km (0.059 R)
• M15: 9,484,355 km (0.066 R)
• M16: 11,929,533 km (0.051 R)
• M17: 12,224,839 km (0.065 R)
• M18: 14,231,545 km (0.115 R)
• M19: 14,698,140 km (0.098 R)
• M20: 15,661,700 km (0.092 R)
• M21: 20,271,708 km (0.094 R)
• M22: 29,833,256 km (0.111 R)
• M23: 31,598,212 km (0.084 R)
• M24: 33,082,522 km (0.113 R)
• M25: 34,493,529 km (0.109 R)
• M26: 35,456,191 km (0.081 R)
• M27: 38,195,478 km (0.107 R)
• M28: 40,938,953 km (0.064 R)
• M29: 41,206,883 km (0.068 R)
• M30: 41,476,010 km (0.119 R)
• M31: 42,017,704 km (0.115 R)
• M32: 46,668,402 km (0.03 R)
• M33: 49,041,922 km (0.025 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 418 - 12,485 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit