🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.4

Radius: 12.4

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.54 AU - 0.64 AU

Year: 302 Days

Day: 14.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 127.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 23,588,859 km

• M1: 154,385 km (0.069 R)
• M2: 684,709 km (0.036 R)
• M3: 1,306,737 km (0.09 R)
• M4: 1,743,862 km (0.068 R)
• M5: 2,339,561 km (0.114 R)
• M6: 3,174,616 km (0.045 R)
• M7: 4,358,384 km (0.111 R)
• M8: 4,948,099 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.6

Radius: 8.1

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.8 AU - 0.94 AU

Year: 541 Days

Day: 14.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 87.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 23,588,859 km

• M1: 100,679 km (0.097 R)
• M2: 550,969 km (0.051 R)
• M3: 804,687 km (0.072 R)
• M4: 1,081,742 km (0.062 R)
• M5: 1,552,527 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.8

Radius: 10.6

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.89 AU - 0.91 AU

Year: 569 Days

Day: 10.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 23,588,859 km

• M1: 131,796 km (0.073 R)
• M2: 489,484 km (0.071 R)
• M3: 1,100,891 km (0.091 R)
• M4: 1,605,335 km (0.118 R)
• M5: 2,572,335 km (0.115 R)
• M6: 3,015,295 km (0.074 R)
• M7: 3,729,176 km (0.069 R)
• M8: 4,169,293 km (0.062 R)
• M9: 5,543,798 km (0.095 R)
• M10: 6,478,485 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.3

Radius: 11.4

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.06 AU - 2.86 AU

Year: 2573 Days

Day: 14.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 23,588,859 km

• M1: 141,819 km (0.035 R)
• M2: 728,542 km (0.033 R)
• M3: 1,544,897 km (0.115 R)
• M4: 1,969,456 km (0.091 R)
• M5: 3,058,977 km (0.066 R)
• M6: 3,634,480 km (0.077 R)
• M7: 4,186,945 km (0.113 R)
• M8: 5,438,182 km (0.051 R)
• M9: 7,718,353 km (0.073 R)
• M10: 8,881,326 km (0.089 R)
• M11: 11,853,686 km (0.118 R)
• M12: 13,275,016 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.3

Radius: 10.2

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.22 AU - 3.1 AU

Year: 2893 Days

Day: 14.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 23,588,859 km

• M1: 127,308 km (0.085 R)
• M2: 545,135 km (0.099 R)
• M3: 1,665,623 km (0.071 R)
• M4: 2,453,555 km (0.107 R)
• M5: 3,378,369 km (0.074 R)
• M6: 4,706,349 km (0.087 R)
• M7: 5,580,001 km (0.108 R)
• M8: 7,452,368 km (0.093 R)
• M9: 8,013,060 km (0.08 R)
• M10: 10,705,523 km (0.117 R)
• M11: 20,596,036 km (0.105 R)
• M12: 21,634,545 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.9

Radius: 8.2

Gravity: 13.25 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.42 AU - 3.12 AU

Year: 3074 Days

Day: 14.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 23,588,859 km

• M1: 102,026 km (0.079 R)
• M2: 430,094 km (0.113 R)
• M3: 705,055 km (0.088 R)
• M4: 1,002,156 km (0.059 R)
• M5: 1,284,597 km (0.092 R)
• M6: 1,643,632 km (0.08 R)
• M7: 2,307,996 km (0.117 R)
• M8: 2,945,432 km (0.079 R)
• M9: 3,695,367 km (0.099 R)
• M10: 4,028,671 km (0.09 R)
• M11: 4,566,625 km (0.086 R)
• M12: 5,541,704 km (0.092 R)
• M13: 6,206,965 km (0.074 R)
• M14: 7,303,518 km (0.075 R)
• M15: 8,034,154 km (0.109 R)
• M16: 8,595,594 km (0.074 R)
• M17: 10,234,140 km (0.07 R)
• M18: 11,148,333 km (0.074 R)
• M19: 11,713,663 km (0.066 R)
• M20: 12,435,473 km (0.032 R)
• M21: 12,854,347 km (0.099 R)
• M22: 17,691,893 km (0.097 R)
• M23: 18,581,103 km (0.079 R)
• M24: 20,901,515 km (0.099 R)
• M25: 22,029,782 km (0.072 R)
• M26: 23,833,035 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.9

Radius: 11.6

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.37 AU - 4.97 AU

Year: 5679 Days

Day: 7 Hours

Environment

Temp: -211 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 23,588,859 km

• M1: 144,212 km (0.099 R)
• M2: 564,134 km (0.042 R)
• M3: 1,106,575 km (0.031 R)
• M4: 1,541,905 km (0.053 R)
• M5: 2,056,223 km (0.066 R)
• M6: 3,503,133 km (0.069 R)
• M7: 3,897,174 km (0.079 R)
• M8: 4,360,928 km (0.109 R)
• M9: 5,170,850 km (0.061 R)
• M10: 5,756,676 km (0.095 R)
• M11: 8,908,553 km (0.113 R)
• M12: 10,537,225 km (0.104 R)
• M13: 11,952,571 km (0.115 R)
• M14: 12,643,862 km (0.11 R)
• M15: 16,906,803 km (0.036 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 553.7

Radius: 6.7

Gravity: 12.33 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 6.09 AU - 8.41 AU

Year: 13018 Days

Day: 19.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 23,588,859 km

• M1: 83,775 km (0.107 R)
• M2: 326,423 km (0.097 R)
• M3: 964,607 km (0.091 R)
• M4: 1,420,282 km (0.102 R)
• M5: 1,976,038 km (0.079 R)
• M6: 2,381,748 km (0.119 R)
• M7: 2,797,480 km (0.093 R)
• M8: 3,163,995 km (0.094 R)
• M9: 3,536,194 km (0.093 R)
• M10: 4,279,696 km (0.089 R)
• M11: 4,580,088 km (0.073 R)
• M12: 4,798,651 km (0.105 R)
• M13: 5,998,127 km (0.106 R)
• M14: 8,131,243 km (0.1 R)
• M15: 8,782,293 km (0.114 R)
• M16: 9,618,844 km (0.1 R)
• M17: 10,561,161 km (0.112 R)
• M18: 11,853,238 km (0.118 R)
• M19: 12,811,861 km (0.038 R)
• M20: 13,184,509 km (0.083 R)
• M21: 19,106,341 km (0.099 R)
• M22: 23,139,799 km (0.04 R)
• M23: 27,500,876 km (0.084 R)
• M24: 32,265,568 km (0.12 R)
• M25: 35,324,844 km (0.11 R)
• M26: 36,675,414 km (0.054 R)
• M27: 38,959,175 km (0.076 R)
• M28: 41,067,308 km (0.084 R)
• M29: 41,877,082 km (0.077 R)
• M30: 42,835,106 km (0.104 R)
• M31: 45,653,081 km (0.03 R)
• M32: 49,649,888 km (0.081 R)
• M33: 51,968,206 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 44.4

Radius: 7.9

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 6.31 AU - 8.59 AU

Year: 13560 Days

Day: 17.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 23,588,859 km

• M1: 130,300 km (0.102 R)
• M2: 418,874 km (0.094 R)
• M3: 1,105,379 km (0.099 R)
• M4: 1,387,221 km (0.111 R)
• M5: 1,813,874 km (0.087 R)
• M6: 2,238,882 km (0.113 R)
• M7: 2,552,738 km (0.104 R)
• M8: 2,930,173 km (0.078 R)
• M9: 6,975,300 km (0.11 R)
• M10: 7,681,701 km (0.097 R)
• M11: 8,329,460 km (0.108 R)
• M12: 9,161,523 km (0.049 R)
• M13: 10,087,833 km (0.119 R)
• M14: 11,117,665 km (0.062 R)
• M15: 11,724,135 km (0.092 R)
• M16: 12,080,327 km (0.036 R)
• M17: 19,054,131 km (0.089 R)
• M18: 19,422,890 km (0.105 R)
• M19: 21,471,184 km (0.102 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 197 - 18,219 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit