🌌 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: 32.7

Radius: 12.4

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.41 AU - 0.61 AU

Year: 243 Days

Day: 10.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 45,233,073 km

• M1: 154,235 km (0.113 R)
• M2: 756,516 km (0.087 R)
• M3: 1,166,415 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.7

Radius: 11.8

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.84 AU - 1.22 AU

Year: 697 Days

Day: 9.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,233,073 km

• M1: 146,905 km (0.1 R)
• M2: 931,247 km (0.106 R)
• M3: 1,374,804 km (0.099 R)
• M4: 1,899,893 km (0.114 R)
• M5: 2,456,846 km (0.05 R)
• M6: 3,110,289 km (0.12 R)
• M7: 3,495,803 km (0.044 R)
• M8: 4,051,709 km (0.049 R)
• M9: 4,908,007 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.3

Radius: 9.6

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.13 AU - 1.33 AU

Year: 910 Days

Day: 9.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,233,073 km

• M1: 119,529 km (0.119 R)
• M2: 487,988 km (0.1 R)
• M3: 814,411 km (0.111 R)
• M4: 1,152,352 km (0.081 R)
• M5: 2,104,543 km (0.025 R)
• M6: 2,426,777 km (0.114 R)
• M7: 3,080,968 km (0.077 R)
• M8: 3,598,427 km (0.094 R)
• M9: 4,220,904 km (0.076 R)
• M10: 4,668,800 km (0.074 R)
• M11: 5,315,212 km (0.088 R)
• M12: 5,640,737 km (0.116 R)
• M13: 6,247,656 km (0.115 R)
• M14: 7,239,041 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.9

Radius: 13.3

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.54 AU - 1.76 AU

Year: 1413 Days

Day: 10.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,233,073 km

• M1: 166,353 km (0.084 R)
• M2: 692,937 km (0.088 R)
• M3: 1,123,929 km (0.053 R)
• M4: 1,550,881 km (0.107 R)
• M5: 2,349,584 km (0.109 R)
• M6: 2,817,227 km (0.045 R)
• M7: 4,312,458 km (0.102 R)
• M8: 5,224,556 km (0.039 R)
• M9: 6,261,568 km (0.112 R)
• M10: 7,378,616 km (0.116 R)
• M11: 8,054,499 km (0.086 R)
• M12: 8,624,616 km (0.083 R)
• M13: 10,266,603 km (0.086 R)
• M14: 11,214,156 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.2

Radius: 9

Gravity: 10.61 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.3 AU - 2.94 AU

Year: 2828 Days

Day: 13.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,233,073 km

• M1: 114,891 km (0.116 R)
• M2: 466,596 km (0.045 R)
• M3: 844,929 km (0.108 R)
• M4: 1,730,399 km (0.094 R)
• M5: 2,816,030 km (0.038 R)
• M6: 3,900,316 km (0.103 R)
• M7: 5,266,443 km (0.106 R)
• M8: 5,785,847 km (0.113 R)
• M9: 7,141,354 km (0.098 R)
• M10: 7,843,865 km (0.108 R)
• M11: 8,245,984 km (0.081 R)
• M12: 9,801,204 km (0.117 R)
• M13: 11,585,906 km (0.062 R)
• M14: 12,063,871 km (0.112 R)
• M15: 13,013,070 km (0.1 R)
• M16: 14,108,725 km (0.1 R)
• M17: 14,906,530 km (0.112 R)
• M18: 15,945,487 km (0.092 R)
• M19: 18,109,421 km (0.052 R)
• M20: 18,400,388 km (0.075 R)
• M21: 21,941,071 km (0.048 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.1

Radius: 11.9

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 3.34 AU - 4.12 AU

Year: 4804 Days

Day: 14.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,233,073 km

• M1: 166,203 km (0.073 R)
• M2: 877,092 km (0.109 R)
• M3: 3,067,953 km (0.094 R)
• M4: 4,837,247 km (0.094 R)
• M5: 5,597,504 km (0.093 R)
• M6: 6,059,312 km (0.099 R)
• M7: 6,885,541 km (0.115 R)
• M8: 7,386,245 km (0.101 R)
• M9: 10,377,754 km (0.118 R)
• M10: 10,801,265 km (0.119 R)
• M11: 12,612,297 km (0.059 R)
• M12: 13,453,785 km (0.118 R)
• M13: 14,050,830 km (0.058 R)
• M14: 15,546,061 km (0.11 R)
• M15: 16,255,155 km (0.072 R)
• M16: 19,021,668 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264

Radius: 13.5

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.02 AU - 4.7 AU

Year: 5057 Days

Day: 13.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,233,073 km

• M1: 167,998 km (0.1 R)
• M2: 600,336 km (0.109 R)
• M3: 1,054,665 km (0.112 R)
• M4: 2,130,423 km (0.098 R)
• M5: 3,823,722 km (0.071 R)
• M6: 4,433,183 km (0.092 R)
• M7: 5,033,819 km (0.112 R)
• M8: 5,532,578 km (0.118 R)
• M9: 8,267,526 km (0.106 R)
• M10: 9,475,230 km (0.034 R)
• M11: 12,417,072 km (0.034 R)
• M12: 14,989,856 km (0.116 R)
• M13: 15,554,588 km (0.089 R)
• M14: 18,302,701 km (0.11 R)
• M15: 20,160,856 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.5

Radius: 10.3

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 4.32 AU - 4.68 AU

Year: 6366 Days

Day: 14.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,233,073 km

• M1: 141,968 km (0.119 R)
• M2: 503,846 km (0.086 R)
• M3: 1,061,098 km (0.047 R)
• M4: 1,666,969 km (0.093 R)
• M5: 2,001,171 km (0.112 R)
• M6: 3,286,516 km (0.115 R)
• M7: 3,607,403 km (0.111 R)
• M8: 4,383,816 km (0.109 R)
• M9: 5,108,318 km (0.058 R)
• M10: 5,485,754 km (0.065 R)
• M11: 6,357,760 km (0.109 R)
• M12: 7,835,488 km (0.07 R)
• M13: 10,657,203 km (0.041 R)
• M14: 11,917,714 km (0.071 R)
• M15: 12,439,063 km (0.04 R)
• M16: 13,224,751 km (0.094 R)
• M17: 15,837,029 km (0.027 R)
• M18: 16,642,464 km (0.084 R)
• M19: 21,084,623 km (0.107 R)
• M20: 23,576,924 km (0.101 R)
• M21: 24,097,973 km (0.109 R)
• M22: 26,021,802 km (0.114 R)
• M23: 26,418,535 km (0.099 R)
• M24: 27,061,806 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 627.1

Radius: 6.1

Gravity: 16.85 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4.91 AU - 6.91 AU

Year: 9581 Days

Day: 17.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,233,073 km

• M1: 82,279 km (0.113 R)
• M2: 322,084 km (0.115 R)
• M3: 851,361 km (0.116 R)
• M4: 1,369,718 km (0.036 R)
• M5: 1,835,117 km (0.12 R)
• M6: 2,253,692 km (0.06 R)
• M7: 3,097,873 km (0.072 R)
• M8: 4,557,798 km (0.096 R)
• M9: 6,388,727 km (0.114 R)
• M10: 6,722,928 km (0.085 R)
• M11: 12,999,457 km (0.067 R)
• M12: 14,526,851 km (0.068 R)
• M13: 15,498,489 km (0.1 R)
• M14: 15,966,431 km (0.104 R)
• M15: 17,071,511 km (0.114 R)
• M16: 20,213,365 km (0.069 R)
• M17: 25,709,890 km (0.106 R)
• M18: 27,032,335 km (0.118 R)
• M19: 28,498,843 km (0.101 R)
• M20: 29,100,077 km (0.118 R)
• M21: 31,164,976 km (0.067 R)
• M22: 32,341,414 km (0.076 R)
• M23: 41,289,611 km (0.028 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 194 - 14,774 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit