🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.3

Radius: 10.3

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.88 AU - 1.38 AU

Year: 776 Days

Day: 11.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,580,226 km

• M1: 128,056 km (0.116 R)
• M2: 535,710 km (0.076 R)
• M3: 873,203 km (0.077 R)
• M4: 1,817,016 km (0.038 R)
• M5: 2,729,264 km (0.044 R)
• M6: 3,325,710 km (0.1 R)
• M7: 3,770,016 km (0.098 R)
• M8: 4,136,381 km (0.11 R)
• M9: 4,557,350 km (0.11 R)
• M10: 5,056,857 km (0.104 R)
• M11: 5,380,736 km (0.1 R)
• M12: 6,300,314 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.2

Radius: 11

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.14 AU - 1.14 AU

Year: 786 Days

Day: 5.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 177.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,580,226 km

• M1: 136,732 km (0.099 R)
• M2: 501,452 km (0.05 R)
• M3: 849,118 km (0.101 R)
• M4: 1,434,943 km (0.04 R)
• M5: 1,908,270 km (0.062 R)
• M6: 2,305,902 km (0.06 R)
• M7: 2,683,038 km (0.074 R)
• M8: 3,173,569 km (0.047 R)
• M9: 3,846,161 km (0.103 R)
• M10: 5,387,917 km (0.084 R)
• M11: 6,002,166 km (0.115 R)
• M12: 6,384,987 km (0.081 R)
• M13: 6,865,944 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.7

Radius: 10.1

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.99 AU - 1.57 AU

Year: 935 Days

Day: 9.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,580,226 km

• M1: 127,607 km (0.111 R)
• M2: 839,394 km (0.118 R)
• M3: 1,421,180 km (0.115 R)
• M4: 1,748,650 km (0.038 R)
• M5: 3,063,016 km (0.054 R)
• M6: 3,514,503 km (0.111 R)
• M7: 4,066,369 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.4

Radius: 11.3

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.78 AU - 2.42 AU

Year: 1965 Days

Day: 14.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,580,226 km

• M1: 140,622 km (0.119 R)
• M2: 508,184 km (0.079 R)
• M3: 1,322,146 km (0.042 R)
• M4: 1,754,933 km (0.082 R)
• M5: 2,180,090 km (0.042 R)
• M6: 2,832,187 km (0.108 R)
• M7: 3,788,566 km (0.058 R)
• M8: 4,287,774 km (0.106 R)
• M9: 5,503,406 km (0.05 R)
• M10: 6,762,871 km (0.114 R)
• M11: 7,473,760 km (0.118 R)
• M12: 8,149,793 km (0.074 R)
• M13: 8,807,425 km (0.119 R)
• M14: 9,255,022 km (0.084 R)
• M15: 9,749,293 km (0.071 R)
• M16: 10,723,624 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.1

Radius: 8.2

Gravity: 11.81 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.72 AU - 3.92 AU

Year: 4821 Days

Day: 13.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,580,226 km

• M1: 106,813 km (0.077 R)
• M2: 613,650 km (0.07 R)
• M3: 1,048,083 km (0.108 R)
• M4: 1,459,178 km (0.074 R)
• M5: 1,808,489 km (0.104 R)
• M6: 2,521,173 km (0.095 R)
• M7: 3,643,905 km (0.09 R)
• M8: 4,853,404 km (0.111 R)
• M9: 5,667,216 km (0.116 R)
• M10: 6,247,656 km (0.108 R)
• M11: 8,654,237 km (0.12 R)
• M12: 12,007,024 km (0.094 R)
• M13: 12,504,288 km (0.102 R)
• M14: 13,067,224 km (0.118 R)
• M15: 13,970,197 km (0.043 R)
• M16: 14,409,267 km (0.115 R)
• M17: 15,840,919 km (0.092 R)
• M18: 16,198,158 km (0.043 R)
• M19: 18,917,848 km (0.114 R)
• M20: 19,387,585 km (0.106 R)
• M21: 22,297,263 km (0.077 R)
• M22: 25,648,555 km (0.113 R)
• M23: 27,401,094 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 107.3

Radius: 7.1

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 7.13 AU - 7.79 AU

Year: 13156 Days

Day: 18 Hours

Environment

Temp: -228 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,580,226 km

• M1: 88,412 km (0.094 R)
• M2: 510,578 km (0.081 R)
• M3: 974,630 km (0.101 R)
• M4: 2,113,070 km (0.112 R)
• M5: 2,963,983 km (0.109 R)
• M6: 3,466,781 km (0.061 R)
• M7: 4,025,230 km (0.09 R)
• M8: 5,638,194 km (0.092 R)
• M9: 5,877,700 km (0.109 R)
• M10: 6,249,750 km (0.098 R)
• M11: 6,539,073 km (0.054 R)
• M12: 8,701,959 km (0.076 R)
• M13: 12,421,710 km (0.089 R)
• M14: 15,749,365 km (0.087 R)
• M15: 20,954,623 km (0.046 R)
• M16: 26,194,438 km (0.101 R)
• M17: 27,286,801 km (0.113 R)
• M18: 30,378,092 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 332.1

Radius: 4.4

Gravity: 17.15 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 6.73 AU - 10.61 AU

Year: 16483 Days

Day: 20.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 58,580,226 km

• M1: 55,800 km (0.082 R)
• M2: 1,042,697 km (0.095 R)
• M3: 1,443,769 km (0.087 R)
• M4: 2,305,154 km (0.093 R)
• M5: 2,649,378 km (0.117 R)
• M6: 2,844,903 km (0.064 R)
• M7: 5,680,082 km (0.04 R)
• M8: 5,823,396 km (0.113 R)
• M9: 6,895,265 km (0.058 R)
• M10: 7,224,231 km (0.084 R)
• M11: 8,182,854 km (0.107 R)
• M12: 8,365,812 km (0.093 R)
• M13: 9,929,708 km (0.099 R)
• M14: 11,167,182 km (0.088 R)
• M15: 12,264,183 km (0.067 R)
• M16: 12,503,988 km (0.053 R)
• M17: 13,621,784 km (0.088 R)
• M18: 14,804,804 km (0.077 R)
• M19: 15,351,883 km (0.059 R)
• M20: 19,646,240 km (0.082 R)
• M21: 20,642,113 km (0.079 R)
• M22: 21,238,410 km (0.107 R)
• M23: 22,644,480 km (0.112 R)
• M24: 22,914,803 km (0.108 R)
• M25: 25,835,702 km (0.12 R)
• M26: 26,131,008 km (0.106 R)
• M27: 27,436,249 km (0.042 R)
• M28: 28,679,109 km (0.075 R)
• M29: 32,289,653 km (0.111 R)
• M30: 34,499,962 km (0.107 R)
• M31: 36,561,271 km (0.064 R)
• M32: 37,307,914 km (0.086 R)
• M33: 43,097,202 km (0.076 R)
• M34: 44,774,044 km (0.088 R)
• M35: 46,348,861 km (0.093 R)
• M36: 49,457,056 km (0.117 R)
• M37: 50,217,163 km (0.102 R)
• M38: 51,760,414 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 403.3

Radius: 5.1

Gravity: 15.51 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 7.26 AU - 10.86 AU

Year: 17608 Days

Day: 15 Hours

Environment

Temp: -233 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,580,226 km

• M1: 63,429 km (0.114 R)
• M2: 234,569 km (0.118 R)
• M3: 428,000 km (0.068 R)
• M4: 775,366 km (0.092 R)
• M5: 945,159 km (0.111 R)
• M6: 1,228,049 km (0.1 R)
• M7: 1,806,693 km (0.077 R)
• M8: 5,324,936 km (0.104 R)
• M9: 6,656,956 km (0.069 R)
• M10: 8,291,312 km (0.067 R)
• M11: 11,959,751 km (0.112 R)
• M12: 13,280,401 km (0.115 R)
• M13: 14,556,471 km (0.05 R)
• M14: 17,821,146 km (0.103 R)
• M15: 19,963,088 km (0.098 R)
• M16: 20,567,912 km (0.117 R)
• M17: 23,393,367 km (0.085 R)
• M18: 23,872,080 km (0.111 R)
• M19: 25,649,602 km (0.062 R)
• M20: 25,954,183 km (0.12 R)
• M21: 36,638,015 km (0.067 R)
• M22: 46,226,640 km (0.062 R)
• M23: 49,446,285 km (0.12 R)
• M24: 56,156,797 km (0.087 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 265 - 14,803 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit