🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.6

Radius: 14.5

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.92 AU - 1.06 AU

Year: 668 Days

Day: 10.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 32,440,139 km

• M1: 180,265 km (0.112 R)
• M2: 758,312 km (0.076 R)
• M3: 1,257,520 km (0.107 R)
• M4: 1,739,374 km (0.106 R)
• M5: 3,181,648 km (0.11 R)
• M6: 4,877,489 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.7

Radius: 11.2

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.48 AU - 1.6 AU

Year: 1296 Days

Day: 14.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 32,440,139 km

• M1: 139,276 km (0.083 R)
• M2: 557,402 km (0.075 R)
• M3: 1,139,337 km (0.062 R)
• M4: 1,742,965 km (0.079 R)
• M5: 2,201,183 km (0.106 R)
• M6: 2,662,543 km (0.106 R)
• M7: 3,484,134 km (0.113 R)
• M8: 3,863,515 km (0.107 R)
• M9: 4,706,648 km (0.087 R)
• M10: 5,354,407 km (0.09 R)
• M11: 6,060,808 km (0.108 R)
• M12: 6,755,840 km (0.113 R)
• M13: 7,223,034 km (0.074 R)
• M14: 7,843,865 km (0.05 R)
• M15: 9,074,457 km (0.109 R)
• M16: 9,431,398 km (0.112 R)
• M17: 10,657,053 km (0.118 R)
• M18: 11,021,174 km (0.101 R)
• M19: 11,600,417 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206

Radius: 14.3

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.5 AU - 4.22 AU

Year: 5144 Days

Day: 14.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 32,440,139 km

• M1: 178,919 km (0.108 R)
• M2: 1,281,755 km (0.112 R)
• M3: 1,825,543 km (0.063 R)
• M4: 5,001,805 km (0.106 R)
• M5: 5,662,130 km (0.116 R)
• M6: 9,292,122 km (0.106 R)
• M7: 13,042,092 km (0.104 R)
• M8: 14,248,898 km (0.115 R)
• M9: 14,781,317 km (0.099 R)
• M10: 15,377,315 km (0.092 R)
• M11: 16,830,508 km (0.116 R)
• M12: 17,701,168 km (0.095 R)
• M13: 18,601,448 km (0.096 R)
• M14: 20,554,897 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.2

Radius: 12.2

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.01 AU - 4.83 AU

Year: 5264 Days

Day: 7.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,440,139 km

• M1: 151,692 km (0.106 R)
• M2: 954,883 km (0.085 R)
• M3: 1,758,523 km (0.098 R)
• M4: 2,355,718 km (0.097 R)
• M5: 2,878,113 km (0.114 R)
• M6: 3,584,814 km (0.073 R)
• M7: 10,293,231 km (0.066 R)
• M8: 11,454,859 km (0.081 R)
• M9: 12,702,056 km (0.099 R)
• M10: 15,415,911 km (0.114 R)
• M11: 18,606,086 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 289.2

Radius: 4.7

Gravity: 13.09 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 5.36 AU - 5.94 AU

Year: 9109 Days

Day: 22.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,440,139 km

• M1: 58,493 km (0.085 R)
• M2: 255,214 km (0.097 R)
• M3: 1,554,771 km (0.109 R)
• M4: 3,071,095 km (0.093 R)
• M5: 5,194,786 km (0.077 R)
• M6: 6,371,074 km (0.113 R)
• M7: 9,151,799 km (0.075 R)
• M8: 9,537,163 km (0.109 R)
• M9: 12,859,433 km (0.093 R)
• M10: 17,006,884 km (0.052 R)
• M11: 19,067,745 km (0.101 R)
• M12: 19,837,426 km (0.112 R)
• M13: 21,289,423 km (0.074 R)
• M14: 31,130,120 km (0.074 R)
• M15: 33,688,094 km (0.046 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 600.2

Radius: 8

Gravity: 9.38 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 5.65 AU - 8.57 AU

Year: 12859 Days

Day: 22.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 32,440,139 km

• M1: 99,483 km (0.109 R)
• M2: 539,151 km (0.118 R)
• M3: 955,631 km (0.113 R)
• M4: 1,262,606 km (0.045 R)
• M5: 1,605,484 km (0.079 R)
• M6: 1,873,414 km (0.087 R)
• M7: 2,208,663 km (0.108 R)
• M8: 2,501,127 km (0.075 R)
• M9: 3,261,682 km (0.082 R)
• M10: 4,711,136 km (0.112 R)
• M11: 6,785,909 km (0.054 R)
• M12: 8,719,312 km (0.077 R)
• M13: 11,218,344 km (0.098 R)
• M14: 11,560,923 km (0.087 R)
• M15: 12,088,106 km (0.083 R)
• M16: 12,877,684 km (0.109 R)
• M17: 13,572,117 km (0.044 R)
• M18: 22,037,412 km (0.103 R)
• M19: 24,147,340 km (0.116 R)
• M20: 25,105,215 km (0.05 R)
• M21: 25,593,653 km (0.041 R)
• M22: 27,096,812 km (0.073 R)
• M23: 27,404,385 km (0.083 R)
• M24: 31,166,921 km (0.118 R)
• M25: 32,301,920 km (0.107 R)
• M26: 33,818,543 km (0.106 R)
• M27: 39,172,651 km (0.096 R)
• M28: 43,086,281 km (0.087 R)
• M29: 49,357,125 km (0.106 R)
• M30: 52,788,750 km (0.064 R)
• M31: 53,108,441 km (0.082 R)

Asteroid Belt

Center: 8.48 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 48.3

Radius: 7.1

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 8.69 AU - 11.01 AU

Year: 20967 Days

Day: 24.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,440,139 km

• M1: 136,284 km (0.082 R)
• M2: 631,004 km (0.059 R)
• M3: 1,475,334 km (0.102 R)
• M4: 1,977,983 km (0.093 R)
• M5: 2,642,646 km (0.075 R)
• M6: 3,756,403 km (0.083 R)
• M7: 5,769,840 km (0.111 R)
• M8: 7,613,634 km (0.066 R)
• M9: 8,891,200 km (0.053 R)
• M10: 10,623,992 km (0.082 R)
• M11: 12,113,239 km (0.029 R)
• M12: 16,590,404 km (0.078 R)
• M13: 18,254,381 km (0.109 R)
• M14: 19,400,600 km (0.054 R)
• M15: 21,099,583 km (0.066 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 191 - 19,513 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit