🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.8

Radius: 8.9

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.6 AU - 0.78 AU

Year: 389 Days

Day: 14.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,765,106 km

• M1: 110,702 km (0.104 R)
• M2: 521,349 km (0.117 R)
• M3: 897,138 km (0.043 R)
• M4: 1,330,374 km (0.108 R)
• M5: 2,826,053 km (0.093 R)
• M6: 3,425,342 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.2

Radius: 10.8

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.78 AU - 2.1 AU

Year: 1833 Days

Day: 6.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,765,106 km

• M1: 134,339 km (0.105 R)
• M2: 635,193 km (0.073 R)
• M3: 990,188 km (0.119 R)
• M4: 1,419,534 km (0.093 R)
• M5: 3,298,035 km (0.1 R)
• M6: 3,845,114 km (0.091 R)
• M7: 4,198,015 km (0.118 R)
• M8: 4,778,605 km (0.095 R)
• M9: 5,165,465 km (0.034 R)
• M10: 6,002,315 km (0.071 R)
• M11: 6,376,759 km (0.096 R)
• M12: 7,228,120 km (0.099 R)
• M13: 10,775,235 km (0.051 R)
• M14: 11,292,395 km (0.065 R)
• M15: 11,864,906 km (0.093 R)
• M16: 12,296,795 km (0.118 R)
• M17: 12,779,996 km (0.115 R)
• M18: 13,698,976 km (0.108 R)
• M19: 14,438,588 km (0.116 R)
• M20: 14,931,363 km (0.071 R)
• M21: 15,714,808 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.1

Radius: 8.9

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.01 AU - 2.33 AU

Year: 2168 Days

Day: 9.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,765,106 km

• M1: 110,852 km (0.108 R)
• M2: 481,556 km (0.08 R)
• M3: 987,496 km (0.09 R)
• M4: 1,275,322 km (0.119 R)
• M5: 1,820,606 km (0.064 R)
• M6: 2,224,969 km (0.04 R)
• M7: 2,674,810 km (0.11 R)
• M8: 4,023,136 km (0.103 R)
• M9: 4,672,839 km (0.109 R)
• M10: 5,108,019 km (0.106 R)
• M11: 6,059,761 km (0.087 R)
• M12: 7,590,297 km (0.086 R)
• M13: 9,557,658 km (0.091 R)
• M14: 10,363,093 km (0.118 R)
• M15: 13,582,140 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.1

Radius: 12.1

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.9 AU - 3.14 AU

Year: 2713 Days

Day: 11.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,765,106 km

• M1: 155,283 km (0.109 R)
• M2: 822,040 km (0.068 R)
• M3: 1,363,734 km (0.06 R)
• M4: 1,884,036 km (0.088 R)
• M5: 2,288,698 km (0.027 R)
• M6: 3,349,945 km (0.081 R)
• M7: 4,599,835 km (0.058 R)
• M8: 5,243,705 km (0.074 R)
• M9: 6,770,949 km (0.072 R)
• M10: 7,351,090 km (0.099 R)
• M11: 8,368,954 km (0.102 R)
• M12: 9,818,407 km (0.082 R)
• M13: 10,403,036 km (0.113 R)
• M14: 10,928,274 km (0.103 R)
• M15: 12,208,383 km (0.096 R)
• M16: 12,702,056 km (0.055 R)
• M17: 13,491,185 km (0.106 R)
• M18: 15,269,903 km (0.066 R)
• M19: 16,757,804 km (0.082 R)
• M20: 17,144,365 km (0.036 R)
• M21: 18,282,057 km (0.083 R)
• M22: 18,928,768 km (0.102 R)
• M23: 21,217,017 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 146.5

Radius: 3.7

Gravity: 10.7 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 5.07 AU - 7.23 AU

Year: 10344 Days

Day: 18.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 66,765,106 km

• M1: 46,226 km (0.081 R)
• M2: 208,390 km (0.091 R)
• M3: 445,652 km (0.07 R)
• M4: 641,625 km (0.117 R)
• M5: 797,506 km (0.115 R)
• M6: 1,269,039 km (0.12 R)
• M7: 1,528,741 km (0.104 R)
• M8: 1,976,337 km (0.114 R)
• M9: 2,767,261 km (0.114 R)
• M10: 3,124,202 km (0.112 R)
• M11: 3,553,548 km (0.11 R)
• M12: 4,138,326 km (0.117 R)
• M13: 5,467,204 km (0.103 R)
• M14: 5,997,229 km (0.063 R)
• M15: 7,227,073 km (0.103 R)
• M16: 8,234,465 km (0.099 R)
• M17: 9,048,876 km (0.107 R)
• M18: 9,209,843 km (0.066 R)
• M19: 10,347,086 km (0.031 R)
• M20: 10,567,594 km (0.081 R)
• M21: 11,063,511 km (0.115 R)
• M22: 11,860,119 km (0.101 R)
• M23: 12,199,108 km (0.096 R)
• M24: 15,146,635 km (0.062 R)
• M25: 17,520,603 km (0.086 R)
• M26: 18,926,375 km (0.107 R)
• M27: 20,405,748 km (0.075 R)
• M28: 21,528,779 km (0.092 R)
• M29: 21,671,944 km (0.119 R)
• M30: 22,618,450 km (0.06 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 637.6

Radius: 7.8

Gravity: 10.48 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 6.1 AU - 8.08 AU

Year: 12804 Days

Day: 16.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 66,765,106 km

• M1: 97,089 km (0.097 R)
• M2: 382,223 km (0.06 R)
• M3: 716,125 km (0.047 R)
• M4: 1,217,876 km (0.079 R)
• M5: 1,970,653 km (0.116 R)
• M6: 2,731,956 km (0.109 R)
• M7: 3,216,354 km (0.084 R)
• M8: 3,517,944 km (0.098 R)
• M9: 7,191,768 km (0.109 R)
• M10: 7,798,238 km (0.102 R)
• M11: 8,675,480 km (0.078 R)
• M12: 9,514,574 km (0.077 R)
• M13: 9,927,763 km (0.059 R)
• M14: 10,460,930 km (0.118 R)
• M15: 12,417,521 km (0.083 R)
• M16: 13,675,938 km (0.065 R)
• M17: 15,648,536 km (0.062 R)
• M18: 16,814,501 km (0.088 R)
• M19: 19,073,579 km (0.032 R)
• M20: 21,090,158 km (0.109 R)
• M21: 25,839,292 km (0.076 R)
• M22: 26,239,467 km (0.053 R)
• M23: 28,091,339 km (0.061 R)
• M24: 31,368,878 km (0.091 R)
• M25: 32,168,629 km (0.12 R)
• M26: 34,287,832 km (0.1 R)
• M27: 34,771,033 km (0.114 R)
• M28: 36,248,162 km (0.102 R)
• M29: 37,894,936 km (0.112 R)
• M30: 43,555,869 km (0.111 R)
• M31: 43,980,577 km (0.059 R)
• M32: 44,265,112 km (0.086 R)
• M33: 48,078,362 km (0.09 R)
• M34: 50,999,560 km (0.054 R)
• M35: 51,946,065 km (0.072 R)
• M36: 52,743,721 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 871.2

Radius: 6.4

Gravity: 21.27 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 6.59 AU - 8.87 AU

Year: 14577 Days

Day: 18.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,765,106 km

• M1: 84,822 km (0.109 R)
• M2: 337,642 km (0.097 R)
• M3: 829,071 km (0.081 R)
• M4: 1,198,429 km (0.067 R)
• M5: 1,639,593 km (0.047 R)
• M6: 5,995,733 km (0.106 R)
• M7: 8,415,329 km (0.076 R)
• M8: 10,697,295 km (0.078 R)
• M9: 13,225,798 km (0.085 R)
• M10: 16,993,421 km (0.119 R)
• M11: 17,560,845 km (0.106 R)
• M12: 18,991,150 km (0.104 R)
• M13: 21,326,373 km (0.103 R)
• M14: 24,149,285 km (0.109 R)
• M15: 24,969,829 km (0.104 R)
• M16: 29,701,012 km (0.1 R)
• M17: 30,051,669 km (0.078 R)
• M18: 33,712,927 km (0.089 R)
• M19: 34,094,701 km (0.047 R)
• M20: 39,887,430 km (0.107 R)
• M21: 43,389,366 km (0.071 R)
• M22: 45,214,760 km (0.066 R)
• M23: 45,990,275 km (0.048 R)
• M24: 55,999,569 km (0.088 R)
• M25: 57,615,974 km (0.096 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 450 - 17,592 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit