🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.4

Radius: 10.7

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.46 AU - 0.68 AU

Year: 287 Days

Day: 7.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 19,383,701 km

• M1: 133,142 km (0.106 R)
• M2: 468,541 km (0.052 R)
• M3: 914,043 km (0.115 R)
• M4: 1,338,452 km (0.11 R)
• M5: 2,053,680 km (0.057 R)
• M6: 2,516,535 km (0.118 R)
• M7: 2,986,871 km (0.078 R)
• M8: 4,298,695 km (0.091 R)
• M9: 4,718,018 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.1

Radius: 9.6

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.58 AU - 0.88 AU

Year: 416 Days

Day: 13.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 19,383,701 km

• M1: 119,379 km (0.066 R)
• M2: 503,995 km (0.116 R)
• M3: 839,394 km (0.093 R)
• M4: 1,153,400 km (0.119 R)
• M5: 1,610,720 km (0.052 R)
• M6: 1,941,182 km (0.045 R)
• M7: 2,452,807 km (0.099 R)
• M8: 3,012,303 km (0.085 R)
• M9: 3,452,868 km (0.103 R)
• M10: 3,793,503 km (0.087 R)
• M11: 4,094,494 km (0.117 R)
• M12: 4,529,674 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.6

Radius: 11.9

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.8 AU - 0.84 AU

Year: 495 Days

Day: 10.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 19,383,701 km

• M1: 148,999 km (0.062 R)
• M2: 590,014 km (0.079 R)
• M3: 1,019,061 km (0.108 R)
• M4: 1,404,126 km (0.099 R)
• M5: 1,903,035 km (0.109 R)
• M6: 2,321,909 km (0.088 R)
• M7: 3,349,796 km (0.063 R)
• M8: 3,955,069 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.3

Radius: 10.8

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.29 AU - 1.97 AU

Year: 1388 Days

Day: 5.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 19,383,701 km

• M1: 134,488 km (0.11 R)
• M2: 545,583 km (0.069 R)
• M3: 913,145 km (0.067 R)
• M4: 1,460,075 km (0.068 R)
• M5: 1,846,337 km (0.11 R)
• M6: 2,196,097 km (0.075 R)
• M7: 2,533,141 km (0.119 R)
• M8: 3,137,516 km (0.064 R)
• M9: 3,538,887 km (0.104 R)
• M10: 3,927,991 km (0.116 R)
• M11: 4,312,458 km (0.1 R)
• M12: 4,810,469 km (0.037 R)
• M13: 5,443,119 km (0.086 R)
• M14: 5,840,600 km (0.1 R)
• M15: 6,214,894 km (0.093 R)
• M16: 6,716,645 km (0.102 R)
• M17: 7,316,084 km (0.108 R)
• M18: 7,875,730 km (0.115 R)
• M19: 8,463,799 km (0.114 R)
• M20: 9,727,602 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.8

Radius: 8.2

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.82 AU - 1.88 AU

Year: 1678 Days

Day: 11.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 19,383,701 km

• M1: 102,026 km (0.106 R)
• M2: 424,260 km (0.107 R)
• M3: 815,907 km (0.028 R)
• M4: 1,544,299 km (0.036 R)
• M5: 2,487,813 km (0.107 R)
• M6: 3,318,530 km (0.096 R)
• M7: 3,822,974 km (0.11 R)
• M8: 4,703,507 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.4

Radius: 11.2

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.49 AU - 2.97 AU

Year: 3008 Days

Day: 14.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 19,383,701 km

• M1: 139,276 km (0.079 R)
• M2: 968,945 km (0.088 R)
• M3: 1,360,593 km (0.118 R)
• M4: 2,555,730 km (0.089 R)
• M5: 3,456,160 km (0.031 R)
• M6: 3,833,894 km (0.112 R)
• M7: 4,602,827 km (0.113 R)
• M8: 5,876,354 km (0.099 R)
• M9: 6,991,456 km (0.078 R)
• M10: 7,933,474 km (0.05 R)
• M11: 9,637,095 km (0.058 R)
• M12: 11,226,123 km (0.075 R)
• M13: 12,378,177 km (0.066 R)
• M14: 13,413,244 km (0.05 R)
• M15: 14,607,334 km (0.091 R)
• M16: 17,609,016 km (0.105 R)
• M17: 19,595,077 km (0.086 R)
• M18: 20,289,062 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.2

Radius: 11

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.47 AU - 3.49 AU

Year: 3430 Days

Day: 6.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 19,383,701 km

• M1: 137,929 km (0.056 R)
• M2: 641,326 km (0.085 R)
• M3: 1,085,781 km (0.069 R)
• M4: 1,676,543 km (0.053 R)
• M5: 3,089,944 km (0.108 R)
• M6: 4,062,929 km (0.12 R)
• M7: 4,632,896 km (0.031 R)
• M8: 5,307,433 km (0.09 R)
• M9: 5,709,852 km (0.1 R)
• M10: 7,461,643 km (0.05 R)
• M11: 8,353,545 km (0.089 R)
• M12: 11,325,157 km (0.044 R)
• M13: 11,994,458 km (0.065 R)
• M14: 16,408,792 km (0.091 R)
• M15: 22,006,146 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.4

Radius: 12.5

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.37 AU - 3.67 AU

Year: 3500 Days

Day: 10.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 19,383,701 km

• M1: 155,432 km (0.037 R)
• M2: 579,991 km (0.1 R)
• M3: 1,810,134 km (0.104 R)
• M4: 2,506,662 km (0.117 R)
• M5: 3,159,806 km (0.086 R)
• M6: 6,076,516 km (0.064 R)
• M7: 9,234,228 km (0.116 R)
• M8: 12,369,201 km (0.066 R)
• M9: 13,112,104 km (0.041 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.1

Radius: 11.9

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 4.67 AU - 4.73 AU

Year: 6795 Days

Day: 10.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 19,383,701 km

• M1: 148,102 km (0.069 R)
• M2: 605,273 km (0.114 R)
• M3: 1,097,151 km (0.098 R)
• M4: 1,685,968 km (0.083 R)
• M5: 2,073,726 km (0.118 R)
• M6: 3,237,597 km (0.053 R)
• M7: 4,208,039 km (0.103 R)
• M8: 4,682,713 km (0.107 R)
• M9: 6,001,418 km (0.102 R)
• M10: 7,900,413 km (0.034 R)
• M11: 8,591,855 km (0.036 R)
• M12: 11,070,093 km (0.036 R)
• M13: 13,297,007 km (0.094 R)
• M14: 14,419,440 km (0.115 R)
• M15: 15,502,827 km (0.094 R)
• M16: 19,137,457 km (0.101 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.6

Radius: 12.2

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 4.95 AU - 5.59 AU

Year: 8068 Days

Day: 13.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 19,383,701 km

• M1: 151,692 km (0.114 R)
• M2: 538,702 km (0.086 R)
• M3: 1,915,900 km (0.112 R)
• M4: 3,529,163 km (0.088 R)
• M5: 6,607,888 km (0.098 R)
• M6: 7,725,832 km (0.06 R)
• M7: 8,863,524 km (0.119 R)
• M8: 10,872,474 km (0.054 R)
• M9: 12,088,106 km (0.066 R)
• M10: 18,869,079 km (0.104 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 436 - 19,598 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit