🌌 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: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.7

Radius: 12.7

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.46 AU - 0.7 AU

Year: 305 Days

Day: 8.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,361,550 km

• M1: 157,975 km (0.107 R)
• M2: 575,503 km (0.119 R)
• M3: 1,108,520 km (0.103 R)
• M4: 1,984,416 km (0.113 R)
• M5: 2,652,071 km (0.091 R)
• M6: 3,049,852 km (0.092 R)
• M7: 3,532,604 km (0.063 R)
• M8: 4,116,485 km (0.033 R)
• M9: 4,545,382 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.6

Radius: 8.6

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.78 AU - 0.8 AU

Year: 485 Days

Day: 13 Hours

Environment

Temp: -163 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,361,550 km

• M1: 107,112 km (0.117 R)
• M2: 439,818 km (0.084 R)
• M3: 822,339 km (0.101 R)
• M4: 1,233,285 km (0.108 R)
• M5: 1,603,390 km (0.096 R)
• M6: 1,893,011 km (0.068 R)
• M7: 2,426,627 km (0.046 R)
• M8: 2,853,131 km (0.054 R)
• M9: 3,157,113 km (0.087 R)
• M10: 4,040,190 km (0.054 R)
• M11: 4,597,442 km (0.093 R)
• M12: 5,063,589 km (0.075 R)
• M13: 5,332,566 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.5

Radius: 9.1

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.82 AU - 1.32 AU

Year: 764 Days

Day: 9.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,361,550 km

• M1: 113,246 km (0.051 R)
• M2: 505,641 km (0.108 R)
• M3: 859,440 km (0.087 R)
• M4: 1,208,751 km (0.1 R)
• M5: 1,623,885 km (0.066 R)
• M6: 1,930,411 km (0.075 R)
• M7: 2,611,530 km (0.116 R)
• M8: 2,936,457 km (0.086 R)
• M9: 3,555,343 km (0.085 R)
• M10: 3,863,066 km (0.114 R)
• M11: 4,202,653 km (0.102 R)
• M12: 5,576,560 km (0.077 R)
• M13: 5,957,885 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.2

Radius: 11.9

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.23 AU - 1.89 AU

Year: 1345 Days

Day: 10 Hours

Environment

Temp: -199 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 50,361,550 km

• M1: 148,102 km (0.042 R)
• M2: 838,047 km (0.096 R)
• M3: 3,346,355 km (0.064 R)
• M4: 3,974,217 km (0.116 R)
• M5: 4,556,302 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.7

Radius: 12

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.74 AU - 2.56 AU

Year: 2176 Days

Day: 7.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,361,550 km

• M1: 149,598 km (0.092 R)
• M2: 553,961 km (0.107 R)
• M3: 1,216,979 km (0.098 R)
• M4: 1,678,189 km (0.066 R)
• M5: 2,330,884 km (0.094 R)
• M6: 2,904,592 km (0.079 R)
• M7: 4,126,208 km (0.06 R)
• M8: 5,547,987 km (0.117 R)
• M9: 6,270,245 km (0.099 R)
• M10: 7,785,223 km (0.086 R)
• M11: 9,040,199 km (0.119 R)
• M12: 10,319,710 km (0.109 R)
• M13: 11,716,505 km (0.114 R)
• M14: 13,111,206 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.5

Radius: 11.5

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.52 AU - 4.12 AU

Year: 4176 Days

Day: 14.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,361,550 km

• M1: 143,016 km (0.079 R)
• M2: 538,852 km (0.084 R)
• M3: 1,049,429 km (0.073 R)
• M4: 1,611,319 km (0.049 R)
• M5: 2,052,782 km (0.11 R)
• M6: 2,410,919 km (0.07 R)
• M7: 3,131,682 km (0.119 R)
• M8: 3,908,693 km (0.115 R)
• M9: 5,272,128 km (0.114 R)
• M10: 6,230,003 km (0.116 R)
• M11: 7,846,259 km (0.084 R)
• M12: 8,454,224 km (0.034 R)
• M13: 11,543,720 km (0.096 R)
• M14: 12,420,363 km (0.038 R)
• M15: 13,340,839 km (0.068 R)
• M16: 14,060,554 km (0.103 R)
• M17: 14,654,757 km (0.047 R)
• M18: 17,033,662 km (0.101 R)
• M19: 19,174,109 km (0.111 R)
• M20: 20,340,074 km (0.088 R)
• M21: 21,293,611 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.9

Radius: 8.4

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.7 AU - 4.44 AU

Year: 4656 Days

Day: 10.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 82.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,361,550 km

• M1: 104,419 km (0.055 R)
• M2: 747,690 km (0.049 R)
• M3: 1,533,677 km (0.111 R)
• M4: 2,282,415 km (0.111 R)
• M5: 2,771,450 km (0.102 R)
• M6: 3,291,901 km (0.057 R)
• M7: 3,835,091 km (0.086 R)
• M8: 4,391,745 km (0.076 R)
• M9: 5,074,809 km (0.028 R)
• M10: 5,507,146 km (0.071 R)
• M11: 12,880,077 km (0.107 R)
• M12: 13,588,723 km (0.116 R)
• M13: 14,980,880 km (0.12 R)
• M14: 15,500,434 km (0.105 R)
• M15: 18,397,546 km (0.047 R)
• M16: 19,114,120 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.9

Radius: 9.7

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 4.33 AU - 4.87 AU

Year: 6810 Days

Day: 6.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,361,550 km

• M1: 120,576 km (0.058 R)
• M2: 439,668 km (0.117 R)
• M3: 879,336 km (0.055 R)
• M4: 1,247,796 km (0.082 R)
• M5: 1,914,853 km (0.117 R)
• M6: 2,531,794 km (0.091 R)
• M7: 3,239,243 km (0.093 R)
• M8: 3,600,222 km (0.051 R)
• M9: 4,094,643 km (0.118 R)
• M10: 5,219,619 km (0.107 R)
• M11: 6,247,506 km (0.106 R)
• M12: 6,658,452 km (0.05 R)
• M13: 7,340,618 km (0.111 R)
• M14: 7,865,557 km (0.025 R)
• M15: 9,101,235 km (0.062 R)
• M16: 9,438,878 km (0.055 R)
• M17: 10,099,502 km (0.085 R)
• M18: 12,680,065 km (0.056 R)
• M19: 13,196,776 km (0.114 R)
• M20: 14,072,672 km (0.116 R)
• M21: 14,423,479 km (0.108 R)
• M22: 15,564,462 km (0.112 R)
• M23: 16,541,785 km (0.105 R)
• M24: 20,477,405 km (0.069 R)
• M25: 20,863,517 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 204

Radius: 6.8

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 7.09 AU - 11.61 AU

Year: 19735 Days

Day: 16 Hours

Environment

Temp: -228 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,361,550 km

• M1: 84,672 km (0.064 R)
• M2: 377,735 km (0.1 R)
• M3: 3,159,657 km (0.038 R)
• M4: 4,666,107 km (0.096 R)
• M5: 5,238,169 km (0.106 R)
• M6: 7,569,652 km (0.116 R)
• M7: 11,951,374 km (0.071 R)
• M8: 16,529,368 km (0.078 R)
• M9: 25,923,067 km (0.103 R)
• M10: 28,728,476 km (0.115 R)
• M11: 35,528,298 km (0.047 R)
• M12: 38,222,256 km (0.115 R)
• M13: 38,726,251 km (0.108 R)
• M14: 42,379,132 km (0.089 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: 271 - 12,790 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit