🌌 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: 883.9

Radius: 13.5

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.45 AU - 0.71 AU

Year: 300 Days

Day: 5.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,794,848 km

• M1: 167,849 km (0.087 R)
• M2: 620,233 km (0.086 R)
• M3: 1,059,602 km (0.075 R)
• M4: 1,579,604 km (0.096 R)
• M5: 2,131,620 km (0.052 R)
• M6: 2,668,527 km (0.055 R)
• M7: 3,177,309 km (0.099 R)
• M8: 3,994,114 km (0.097 R)
• M9: 4,526,981 km (0.037 R)
• M10: 4,975,625 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920

Radius: 9.4

Gravity: 10.41 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.79 AU - 1.21 AU

Year: 678 Days

Day: 10.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,794,848 km

• M1: 116,836 km (0.068 R)
• M2: 420,370 km (0.081 R)
• M3: 861,235 km (0.105 R)
• M4: 1,281,755 km (0.062 R)
• M5: 1,982,172 km (0.101 R)
• M6: 2,566,800 km (0.095 R)
• M7: 2,943,189 km (0.112 R)
• M8: 3,437,759 km (0.093 R)
• M9: 3,896,576 km (0.08 R)
• M10: 4,661,021 km (0.075 R)
• M11: 4,972,334 km (0.099 R)
• M12: 5,465,409 km (0.118 R)
• M13: 6,464,722 km (0.05 R)
• M14: 7,723,439 km (0.033 R)
• M15: 8,717,666 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.4

Radius: 12.1

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.14 AU - 1.66 AU

Year: 1124 Days

Day: 8.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,794,848 km

• M1: 150,495 km (0.032 R)
• M2: 553,961 km (0.087 R)
• M3: 1,147,266 km (0.077 R)
• M4: 1,665,323 km (0.068 R)
• M5: 2,115,164 km (0.103 R)
• M6: 2,622,600 km (0.075 R)
• M7: 3,075,732 km (0.036 R)
• M8: 3,655,424 km (0.107 R)
• M9: 4,357,636 km (0.114 R)
• M10: 5,034,866 km (0.105 R)
• M11: 6,010,394 km (0.093 R)
• M12: 6,421,040 km (0.109 R)
• M13: 6,966,773 km (0.078 R)
• M14: 7,667,190 km (0.097 R)
• M15: 8,873,996 km (0.03 R)
• M16: 9,610,018 km (0.036 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.5

Radius: 9

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.32 AU - 1.74 AU

Year: 1284 Days

Day: 14.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 66.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,794,848 km

• M1: 111,899 km (0.098 R)
• M2: 418,126 km (0.034 R)
• M3: 793,467 km (0.09 R)
• M4: 1,081,443 km (0.078 R)
• M5: 1,473,689 km (0.07 R)
• M6: 1,840,951 km (0.05 R)
• M7: 2,417,950 km (0.1 R)
• M8: 2,774,891 km (0.119 R)
• M9: 3,082,913 km (0.038 R)
• M10: 3,428,783 km (0.114 R)
• M11: 3,800,384 km (0.074 R)
• M12: 4,661,769 km (0.108 R)
• M13: 4,982,656 km (0.081 R)
• M14: 6,302,708 km (0.101 R)
• M15: 6,625,241 km (0.089 R)
• M16: 7,378,765 km (0.088 R)
• M17: 9,768,891 km (0.071 R)
• M18: 10,874,868 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.8

Radius: 14.8

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.09 AU - 2.85 AU

Year: 2633 Days

Day: 10.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,794,848 km

• M1: 184,005 km (0.092 R)
• M2: 700,118 km (0.084 R)
• M3: 1,285,345 km (0.066 R)
• M4: 2,285,257 km (0.043 R)
• M5: 2,847,147 km (0.096 R)
• M6: 3,401,856 km (0.088 R)
• M7: 4,121,571 km (0.093 R)
• M8: 5,070,171 km (0.066 R)
• M9: 6,695,402 km (0.101 R)
• M10: 7,889,193 km (0.09 R)
• M11: 8,898,381 km (0.037 R)
• M12: 10,026,498 km (0.056 R)
• M13: 10,517,927 km (0.058 R)
• M14: 12,606,912 km (0.089 R)
• M15: 13,097,144 km (0.066 R)
• M16: 15,050,593 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.3

Radius: 12.2

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.41 AU - 2.83 AU

Year: 2876 Days

Day: 7.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,794,848 km

• M1: 151,692 km (0.057 R)
• M2: 842,834 km (0.108 R)
• M3: 3,815,494 km (0.059 R)
• M4: 4,293,608 km (0.105 R)
• M5: 5,221,265 km (0.083 R)
• M6: 6,650,673 km (0.072 R)
• M7: 7,760,838 km (0.084 R)
• M8: 8,777,057 km (0.074 R)
• M9: 9,244,251 km (0.064 R)
• M10: 12,629,351 km (0.05 R)
• M11: 13,086,223 km (0.03 R)
• M12: 14,524,008 km (0.049 R)
• M13: 15,487,419 km (0.054 R)
• M14: 17,768,038 km (0.117 R)
• M15: 20,388,544 km (0.095 R)
• M16: 21,466,846 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.1

Radius: 14.2

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.49 AU - 5.67 AU

Year: 6648 Days

Day: 11.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 74,794,848 km

• M1: 176,675 km (0.082 R)
• M2: 740,210 km (0.049 R)
• M3: 1,435,242 km (0.111 R)
• M4: 1,903,035 km (0.102 R)
• M5: 2,658,354 km (0.11 R)
• M6: 4,770,526 km (0.098 R)
• M7: 5,708,954 km (0.079 R)
• M8: 6,239,727 km (0.116 R)
• M9: 7,673,324 km (0.097 R)
• M10: 10,634,015 km (0.084 R)
• M11: 11,440,647 km (0.05 R)
• M12: 12,287,820 km (0.081 R)
• M13: 14,166,918 km (0.112 R)
• M14: 14,895,610 km (0.084 R)
• M15: 16,760,197 km (0.117 R)
• M16: 19,066,249 km (0.069 R)
• M17: 21,418,526 km (0.103 R)
• M18: 22,379,093 km (0.088 R)
• M19: 23,201,433 km (0.061 R)
• M20: 24,043,669 km (0.102 R)
• M21: 26,238,719 km (0.107 R)
• M22: 27,338,562 km (0.052 R)
• M23: 28,948,834 km (0.1 R)
• M24: 29,629,953 km (0.101 R)
• M25: 31,328,786 km (0.088 R)
• M26: 32,254,049 km (0.041 R)
• M27: 33,091,797 km (0.067 R)
• M28: 34,592,563 km (0.096 R)
• M29: 38,309,172 km (0.078 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.5

Radius: 10.3

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 4.47 AU - 4.69 AU

Year: 6648 Days

Day: 9.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 74,794,848 km

• M1: 128,056 km (0.055 R)
• M2: 475,272 km (0.12 R)
• M3: 939,774 km (0.069 R)
• M4: 1,499,419 km (0.039 R)
• M5: 1,905,727 km (0.102 R)
• M6: 2,335,672 km (0.083 R)
• M7: 2,663,740 km (0.046 R)
• M8: 3,286,964 km (0.07 R)
• M9: 3,980,799 km (0.1 R)
• M10: 4,325,024 km (0.086 R)
• M11: 4,796,706 km (0.073 R)
• M12: 6,256,931 km (0.105 R)
• M13: 6,723,975 km (0.119 R)
• M14: 8,344,868 km (0.062 R)
• M15: 9,503,205 km (0.047 R)
• M16: 12,811,412 km (0.114 R)
• M17: 13,184,958 km (0.106 R)
• M18: 15,222,331 km (0.067 R)
• M19: 16,378,274 km (0.104 R)
• M20: 19,348,091 km (0.097 R)
• M21: 20,125,252 km (0.05 R)
• M22: 21,893,050 km (0.112 R)
• M23: 23,127,681 km (0.085 R)
• M24: 24,735,559 km (0.104 R)
• M25: 30,759,566 km (0.059 R)
• M26: 32,012,897 km (0.088 R)
• M27: 33,804,182 km (0.104 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.2

Radius: 10.7

Gravity: 8.12 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.4 AU - 6.86 AU

Year: 9061 Days

Day: 12.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,794,848 km

• M1: 181,163 km (0.114 R)
• M2: 1,329,027 km (0.073 R)
• M3: 2,464,176 km (0.109 R)
• M4: 2,809,298 km (0.054 R)
• M5: 4,708,743 km (0.1 R)
• M6: 5,147,214 km (0.086 R)
• M7: 5,510,737 km (0.104 R)
• M8: 7,262,229 km (0.081 R)
• M9: 7,806,166 km (0.118 R)
• M10: 8,603,822 km (0.089 R)
• M11: 9,117,541 km (0.052 R)
• M12: 9,851,020 km (0.118 R)
• M13: 11,490,912 km (0.077 R)
• M14: 14,057,263 km (0.099 R)
• M15: 16,410,737 km (0.072 R)
• M16: 17,942,619 km (0.115 R)
• M17: 22,578,507 km (0.055 R)
• M18: 30,670,555 km (0.095 R)
• M19: 39,732,446 km (0.062 R)
• M20: 44,798,878 km (0.044 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 847.4

Radius: 3.8

Gravity: 58.68 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 7.06 AU - 10.42 AU

Year: 17525 Days

Day: 24.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,794,848 km

• M1: 56,548 km (0.116 R)
• M2: 279,898 km (0.093 R)
• M3: 710,291 km (0.1 R)
• M4: 1,406,968 km (0.106 R)
• M5: 1,636,002 km (0.116 R)
• M6: 2,025,406 km (0.105 R)
• M7: 2,295,729 km (0.058 R)
• M8: 6,073,524 km (0.084 R)
• M9: 6,904,091 km (0.074 R)
• M10: 12,756,659 km (0.12 R)
• M11: 13,386,167 km (0.087 R)
• M12: 14,406,275 km (0.091 R)
• M13: 14,935,253 km (0.06 R)
• M14: 21,634,694 km (0.047 R)
• M15: 25,576,000 km (0.068 R)
• M16: 28,649,937 km (0.114 R)
• M17: 37,604,866 km (0.053 R)
• M18: 49,779,739 km (0.098 R)
• M19: 49,950,879 km (0.101 R)
• M20: 53,635,175 km (0.109 R)
• M21: 58,062,674 km (0.1 R)
• M22: 67,009,225 km (0.091 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 305 - 14,929 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit