🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.2

Radius: 12.6

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.67 AU - 0.77 AU

Year: 394 Days

Day: 12.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 52,856,863 km

• M1: 156,629 km (0.101 R)
• M2: 631,752 km (0.112 R)
• M3: 1,082,490 km (0.119 R)
• M4: 1,484,310 km (0.113 R)
• M5: 2,215,544 km (0.043 R)
• M6: 2,681,691 km (0.091 R)
• M7: 3,551,304 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.8

Radius: 13.3

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.16 AU - 1.62 AU

Year: 1058 Days

Day: 14.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 52,856,863 km

• M1: 166,054 km (0.093 R)
• M2: 864,376 km (0.114 R)
• M3: 1,514,828 km (0.12 R)
• M4: 2,470,459 km (0.1 R)
• M5: 3,193,765 km (0.032 R)
• M6: 4,067,117 km (0.088 R)
• M7: 4,991,333 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.2

Radius: 8

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.06 AU - 2.24 AU

Year: 2036 Days

Day: 8.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,856,863 km

• M1: 99,632 km (0.069 R)
• M2: 605,572 km (0.093 R)
• M3: 854,952 km (0.096 R)
• M4: 1,271,133 km (0.108 R)
• M5: 1,619,696 km (0.107 R)
• M6: 2,217,190 km (0.092 R)
• M7: 2,661,945 km (0.114 R)
• M8: 3,994,114 km (0.062 R)
• M9: 4,710,388 km (0.1 R)
• M10: 5,594,063 km (0.092 R)
• M11: 6,466,069 km (0.078 R)
• M12: 8,561,935 km (0.044 R)
• M13: 10,380,596 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.2

Radius: 12.3

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.24 AU - 2.58 AU

Year: 2416 Days

Day: 8 Hours

Environment

Temp: -199 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,856,863 km

• M1: 153,188 km (0.067 R)
• M2: 548,875 km (0.101 R)
• M3: 1,105,678 km (0.117 R)
• M4: 1,887,776 km (0.053 R)
• M5: 2,377,559 km (0.067 R)
• M6: 5,403,625 km (0.037 R)
• M7: 6,631,225 km (0.117 R)
• M8: 7,025,565 km (0.088 R)
• M9: 7,575,935 km (0.096 R)
• M10: 8,304,178 km (0.047 R)
• M11: 9,866,578 km (0.098 R)
• M12: 10,416,949 km (0.088 R)
• M13: 10,915,109 km (0.091 R)
• M14: 11,654,572 km (0.091 R)
• M15: 12,665,405 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.1

Radius: 13.1

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.18 AU - 3.3 AU

Year: 2928 Days

Day: 12.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,856,863 km

• M1: 162,912 km (0.087 R)
• M2: 599,887 km (0.113 R)
• M3: 1,112,859 km (0.086 R)
• M4: 1,611,767 km (0.082 R)
• M5: 2,130,573 km (0.098 R)
• M6: 3,299,082 km (0.101 R)
• M7: 3,791,408 km (0.075 R)
• M8: 4,374,990 km (0.027 R)
• M9: 5,158,733 km (0.113 R)
• M10: 5,851,371 km (0.079 R)
• M11: 6,775,138 km (0.038 R)
• M12: 7,920,160 km (0.092 R)
• M13: 8,340,231 km (0.112 R)
• M14: 8,775,261 km (0.075 R)
• M15: 10,134,657 km (0.066 R)
• M16: 13,494,326 km (0.086 R)
• M17: 14,908,176 km (0.077 R)
• M18: 16,679,863 km (0.041 R)
• M19: 18,195,290 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.4

Radius: 12.5

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.11 AU - 3.39 AU

Year: 2945 Days

Day: 11.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,856,863 km

• M1: 155,432 km (0.068 R)
• M2: 584,778 km (0.108 R)
• M3: 1,897,499 km (0.088 R)
• M4: 2,656,260 km (0.035 R)
• M5: 3,165,641 km (0.117 R)
• M6: 4,468,339 km (0.082 R)
• M7: 5,028,284 km (0.106 R)
• M8: 6,371,373 km (0.089 R)
• M9: 8,166,099 km (0.106 R)
• M10: 10,314,923 km (0.04 R)
• M11: 10,975,547 km (0.08 R)
• M12: 11,747,173 km (0.06 R)
• M13: 13,308,227 km (0.106 R)
• M14: 16,627,355 km (0.12 R)
• M15: 17,481,858 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.4

Radius: 10.5

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.4 AU - 3.56 AU

Year: 3322 Days

Day: 7.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,856,863 km

• M1: 130,599 km (0.07 R)
• M2: 457,171 km (0.112 R)
• M3: 807,380 km (0.113 R)
• M4: 1,202,617 km (0.11 R)
• M5: 2,102,149 km (0.082 R)
• M6: 3,119,714 km (0.037 R)
• M7: 3,474,411 km (0.115 R)
• M8: 4,037,198 km (0.098 R)
• M9: 4,592,355 km (0.082 R)
• M10: 6,177,943 km (0.114 R)
• M11: 6,625,690 km (0.099 R)
• M12: 7,586,407 km (0.06 R)
• M13: 8,133,337 km (0.104 R)
• M14: 8,535,157 km (0.099 R)
• M15: 8,985,297 km (0.077 R)
• M16: 11,027,158 km (0.086 R)
• M17: 11,478,345 km (0.079 R)
• M18: 15,748,168 km (0.119 R)
• M19: 16,215,512 km (0.027 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.3

Radius: 14.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 5.17 AU - 5.73 AU

Year: 8215 Days

Day: 11.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,856,863 km

• M1: 184,753 km (0.114 R)
• M2: 681,717 km (0.041 R)
• M3: 1,619,397 km (0.108 R)
• M4: 2,931,071 km (0.081 R)
• M5: 3,594,986 km (0.113 R)
• M6: 4,265,484 km (0.109 R)
• M7: 7,579,975 km (0.1 R)
• M8: 9,458,325 km (0.103 R)
• M9: 10,959,690 km (0.071 R)
• M10: 11,675,964 km (0.05 R)
• M11: 14,326,390 km (0.109 R)
• M12: 18,021,756 km (0.117 R)
• M13: 23,830,043 km (0.087 R)
• M14: 25,572,559 km (0.072 R)
• M15: 26,356,153 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 435.2

Radius: 3.2

Gravity: 42.5 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 6.58 AU - 9.36 AU

Year: 14528 Days

Day: 22.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 52,856,863 km

• M1: 41,139 km (0.075 R)
• M2: 161,267 km (0.103 R)
• M3: 521,947 km (0.085 R)
• M4: 845,378 km (0.042 R)
• M5: 1,138,290 km (0.096 R)
• M6: 1,920,687 km (0.103 R)
• M7: 3,197,056 km (0.099 R)
• M8: 3,445,538 km (0.106 R)
• M9: 4,094,344 km (0.103 R)
• M10: 4,884,969 km (0.103 R)
• M11: 5,844,490 km (0.074 R)
• M12: 6,291,787 km (0.115 R)
• M13: 7,726,281 km (0.039 R)
• M14: 8,127,652 km (0.099 R)
• M15: 10,777,330 km (0.052 R)
• M16: 12,385,507 km (0.111 R)
• M17: 16,139,516 km (0.103 R)
• M18: 18,001,261 km (0.117 R)
• M19: 20,755,807 km (0.047 R)
• M20: 22,144,225 km (0.08 R)
• M21: 22,951,754 km (0.099 R)
• M22: 25,200,809 km (0.083 R)
• M23: 25,687,151 km (0.118 R)
• M24: 26,879,895 km (0.11 R)
• M25: 36,526,265 km (0.087 R)
• M26: 38,671,947 km (0.082 R)
• M27: 43,629,321 km (0.114 R)
• M28: 45,323,816 km (0.082 R)
• M29: 50,978,167 km (0.081 R)
• M30: 52,698,543 km (0.099 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 15,644 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit