🌌 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: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.6

Radius: 9.9

Gravity: 9.76 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.52 AU - 0.62 AU

Year: 287 Days

Day: 10.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,110,919 km

• M1: 123,119 km (0.055 R)
• M2: 529,128 km (0.111 R)
• M3: 978,819 km (0.101 R)
• M4: 1,290,581 km (0.069 R)
• M5: 1,739,374 km (0.12 R)
• M6: 2,214,796 km (0.071 R)
• M7: 2,631,277 km (0.056 R)
• M8: 3,185,088 km (0.1 R)
• M9: 3,588,255 km (0.081 R)
• M10: 3,913,032 km (0.072 R)
• M11: 4,484,495 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.1

Radius: 11.1

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.51 AU - 0.75 AU

Year: 333 Days

Day: 5.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,110,919 km

• M1: 138,079 km (0.067 R)
• M2: 555,457 km (0.104 R)
• M3: 965,056 km (0.069 R)
• M4: 1,513,482 km (0.082 R)
• M5: 1,971,700 km (0.095 R)
• M6: 2,344,199 km (0.098 R)
• M7: 2,848,044 km (0.116 R)
• M8: 3,499,244 km (0.098 R)
• M9: 3,860,672 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.2

Radius: 11.7

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.62 AU - 0.72 AU

Year: 366 Days

Day: 5.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,110,919 km

• M1: 146,756 km (0.05 R)
• M2: 550,221 km (0.11 R)
• M3: 951,891 km (0.088 R)
• M4: 1,666,071 km (0.109 R)
• M5: 2,189,514 km (0.099 R)
• M6: 2,672,117 km (0.059 R)
• M7: 3,372,235 km (0.108 R)
• M8: 3,816,092 km (0.113 R)
• M9: 4,604,922 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.6

Radius: 12.6

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.13 AU - 1.19 AU

Year: 833 Days

Day: 7 Hours

Environment

Temp: -192 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,110,919 km

• M1: 156,629 km (0.096 R)
• M2: 874,400 km (0.08 R)
• M3: 1,322,445 km (0.116 R)
• M4: 1,846,038 km (0.095 R)
• M5: 2,335,821 km (0.119 R)
• M6: 2,839,368 km (0.03 R)
• M7: 3,293,996 km (0.105 R)
• M8: 5,978,081 km (0.093 R)
• M9: 6,494,492 km (0.033 R)
• M10: 7,085,554 km (0.112 R)
• M11: 8,200,058 km (0.08 R)
• M12: 8,760,451 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.2

Radius: 11.2

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.98 AU - 1.44 AU

Year: 888 Days

Day: 14.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,110,919 km

• M1: 139,425 km (0.067 R)
• M2: 521,349 km (0.098 R)
• M3: 921,523 km (0.107 R)
• M4: 1,329,177 km (0.089 R)
• M5: 2,019,122 km (0.107 R)
• M6: 2,760,829 km (0.099 R)
• M7: 4,043,481 km (0.066 R)
• M8: 4,572,160 km (0.119 R)
• M9: 5,668,263 km (0.1 R)
• M10: 6,638,106 km (0.03 R)
• M11: 7,519,986 km (0.074 R)
• M12: 8,014,706 km (0.091 R)
• M13: 8,690,140 km (0.054 R)
• M14: 9,716,232 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725

Radius: 12.3

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.02 AU - 1.42 AU

Year: 899 Days

Day: 12 Hours

Environment

Temp: -194 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,110,919 km

• M1: 219,161 km (0.089 R)
• M2: 629,807 km (0.085 R)
• M3: 1,226,553 km (0.113 R)
• M4: 2,104,244 km (0.04 R)
• M5: 2,611,380 km (0.027 R)
• M6: 3,461,994 km (0.096 R)
• M7: 3,859,775 km (0.051 R)
• M8: 4,713,380 km (0.07 R)
• M9: 5,185,511 km (0.104 R)
• M10: 6,310,487 km (0.094 R)
• M11: 7,256,245 km (0.115 R)
• M12: 8,089,206 km (0.046 R)
• M13: 8,822,086 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581

Radius: 14

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.22 AU - 1.96 AU

Year: 1337 Days

Day: 7.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,110,919 km

• M1: 174,132 km (0.075 R)
• M2: 905,516 km (0.111 R)
• M3: 1,357,002 km (0.075 R)
• M4: 1,875,209 km (0.099 R)
• M5: 2,327,593 km (0.103 R)
• M6: 2,933,165 km (0.054 R)
• M7: 3,459,002 km (0.118 R)
• M8: 4,183,504 km (0.1 R)
• M9: 5,807,090 km (0.049 R)
• M10: 6,363,295 km (0.099 R)
• M11: 6,930,720 km (0.087 R)
• M12: 7,661,206 km (0.114 R)
• M13: 8,140,069 km (0.112 R)
• M14: 9,246,794 km (0.072 R)
• M15: 10,580,908 km (0.074 R)
• M16: 11,413,570 km (0.079 R)

Asteroid Belt

Center: 2.07 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.8

Radius: 14.3

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.01 AU - 3.09 AU

Year: 2715 Days

Day: 13.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,110,919 km

• M1: 178,021 km (0.101 R)
• M2: 622,776 km (0.096 R)
• M3: 1,458,280 km (0.117 R)
• M4: 2,580,862 km (0.053 R)
• M5: 3,294,444 km (0.062 R)
• M6: 3,815,045 km (0.113 R)
• M7: 4,347,464 km (0.105 R)
• M8: 4,976,373 km (0.028 R)
• M9: 5,743,212 km (0.096 R)
• M10: 7,327,603 km (0.087 R)
• M11: 8,089,654 km (0.105 R)
• M12: 9,080,292 km (0.051 R)
• M13: 10,816,076 km (0.096 R)
• M14: 12,497,257 km (0.103 R)
• M15: 14,347,034 km (0.109 R)
• M16: 16,320,230 km (0.1 R)
• M17: 17,070,912 km (0.094 R)
• M18: 17,788,533 km (0.039 R)
• M19: 18,526,200 km (0.073 R)
• M20: 20,737,706 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 500.9

Radius: 5.9

Gravity: 14.39 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 4.97 AU - 6.89 AU

Year: 9630 Days

Day: 19.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 42,110,919 km

• M1: 73,453 km (0.118 R)
• M2: 339,587 km (0.088 R)
• M3: 618,886 km (0.057 R)
• M4: 820,844 km (0.118 R)
• M5: 1,463,815 km (0.101 R)
• M6: 1,668,016 km (0.064 R)
• M7: 1,906,774 km (0.04 R)
• M8: 2,254,889 km (0.092 R)
• M9: 2,949,472 km (0.034 R)
• M10: 3,143,500 km (0.1 R)
• M11: 3,438,956 km (0.071 R)
• M12: 3,678,761 km (0.08 R)
• M13: 4,382,320 km (0.113 R)
• M14: 4,578,592 km (0.116 R)
• M15: 5,141,230 km (0.045 R)
• M16: 6,619,556 km (0.066 R)
• M17: 8,148,746 km (0.06 R)
• M18: 8,360,576 km (0.063 R)
• M19: 8,707,045 km (0.095 R)
• M20: 9,290,327 km (0.083 R)
• M21: 10,534,832 km (0.07 R)
• M22: 11,671,327 km (0.113 R)
• M23: 11,994,907 km (0.07 R)
• M24: 14,307,690 km (0.099 R)
• M25: 18,381,539 km (0.088 R)
• M26: 18,746,259 km (0.067 R)
• M27: 19,565,606 km (0.089 R)
• M28: 21,036,602 km (0.052 R)
• M29: 21,921,025 km (0.032 R)
• M30: 24,900,266 km (0.071 R)
• M31: 30,413,247 km (0.104 R)
• M32: 31,232,295 km (0.112 R)
• M33: 31,960,987 km (0.083 R)
• M34: 38,085,075 km (0.104 R)
• M35: 38,439,921 km (0.105 R)
• M36: 39,276,472 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: 396 - 13,518 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit