🌌 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: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770

Radius: 14

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.56 AU - 0.86 AU

Year: 406 Days

Day: 6.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,389,602 km

• M1: 174,132 km (0.095 R)
• M2: 650,751 km (0.096 R)
• M3: 1,364,931 km (0.062 R)
• M4: 1,815,969 km (0.073 R)
• M5: 2,661,346 km (0.11 R)
• M6: 3,475,159 km (0.079 R)
• M7: 4,013,112 km (0.058 R)
• M8: 5,179,527 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.5

Radius: 8.1

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.86 AU - 1.12 AU

Year: 668 Days

Day: 15 Hours

Environment

Temp: -172 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,389,602 km

• M1: 100,979 km (0.085 R)
• M2: 397,631 km (0.101 R)
• M3: 681,418 km (0.114 R)
• M4: 1,048,681 km (0.08 R)
• M5: 1,466,358 km (0.045 R)
• M6: 2,826,203 km (0.03 R)
• M7: 3,243,431 km (0.071 R)
• M8: 3,664,549 km (0.106 R)
• M9: 4,174,828 km (0.111 R)
• M10: 4,461,158 km (0.055 R)
• M11: 5,336,754 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.6

Radius: 8.7

Gravity: 9.72 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.98 AU - 1.06 AU

Year: 699 Days

Day: 11.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,389,602 km

• M1: 108,159 km (0.12 R)
• M2: 390,301 km (0.098 R)
• M3: 721,511 km (0.094 R)
• M4: 1,057,507 km (0.086 R)
• M5: 1,505,553 km (0.102 R)
• M6: 2,105,141 km (0.096 R)
• M7: 2,386,086 km (0.103 R)
• M8: 3,673,376 km (0.073 R)
• M9: 4,892,898 km (0.059 R)
• M10: 5,173,244 km (0.08 R)
• M11: 5,445,811 km (0.069 R)
• M12: 6,059,761 km (0.039 R)
• M13: 6,591,731 km (0.099 R)
• M14: 8,010,368 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.1

Radius: 12.2

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.09 AU - 1.29 AU

Year: 880 Days

Day: 6.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,389,602 km

• M1: 151,842 km (0.088 R)
• M2: 547,229 km (0.09 R)
• M3: 955,930 km (0.07 R)
• M4: 1,356,105 km (0.109 R)
• M5: 1,749,697 km (0.07 R)
• M6: 2,261,321 km (0.082 R)
• M7: 2,823,959 km (0.079 R)
• M8: 3,464,836 km (0.105 R)
• M9: 3,864,861 km (0.042 R)
• M10: 4,793,265 km (0.038 R)
• M11: 5,366,225 km (0.117 R)
• M12: 5,766,699 km (0.082 R)
• M13: 6,436,448 km (0.087 R)
• M14: 7,456,257 km (0.082 R)
• M15: 8,251,968 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.3

Radius: 8.7

Gravity: 10.36 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.17 AU - 1.51 AU

Year: 1052 Days

Day: 6.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,389,602 km

• M1: 108,758 km (0.093 R)
• M2: 386,561 km (0.032 R)
• M3: 780,003 km (0.101 R)
• M4: 1,123,480 km (0.079 R)
• M5: 2,346,742 km (0.106 R)
• M6: 2,670,023 km (0.085 R)
• M7: 3,348,150 km (0.079 R)
• M8: 4,592,954 km (0.11 R)
• M9: 4,890,055 km (0.111 R)
• M10: 5,989,749 km (0.105 R)
• M11: 6,714,700 km (0.066 R)
• M12: 7,831,598 km (0.076 R)
• M13: 8,149,344 km (0.098 R)
• M14: 9,626,922 km (0.085 R)
• M15: 10,556,523 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.5

Radius: 10.8

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.27 AU - 2.09 AU

Year: 1477 Days

Day: 5.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,389,602 km

• M1: 134,339 km (0.11 R)
• M2: 565,181 km (0.052 R)
• M3: 906,264 km (0.083 R)
• M4: 1,560,605 km (0.105 R)
• M5: 2,485,419 km (0.066 R)
• M6: 2,898,160 km (0.066 R)
• M7: 3,654,377 km (0.035 R)
• M8: 4,920,872 km (0.086 R)
• M9: 7,674,371 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661

Radius: 8.2

Gravity: 9.83 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 3.01 AU - 3.55 AU

Year: 4029 Days

Day: 12.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 71,389,602 km

• M1: 102,774 km (0.026 R)
• M2: 423,362 km (0.073 R)
• M3: 697,724 km (0.064 R)
• M4: 1,060,948 km (0.09 R)
• M5: 1,426,864 km (0.035 R)
• M6: 1,799,064 km (0.118 R)
• M7: 2,091,677 km (0.114 R)
• M8: 2,447,272 km (0.088 R)
• M9: 2,825,605 km (0.108 R)
• M10: 3,299,830 km (0.108 R)
• M11: 4,573,506 km (0.118 R)
• M12: 4,893,346 km (0.067 R)
• M13: 5,605,731 km (0.108 R)
• M14: 6,030,290 km (0.105 R)
• M15: 6,355,217 km (0.105 R)
• M16: 6,754,344 km (0.047 R)
• M17: 7,202,689 km (0.119 R)
• M18: 9,430,650 km (0.101 R)
• M19: 10,916,306 km (0.107 R)
• M20: 11,444,536 km (0.048 R)
• M21: 11,989,521 km (0.028 R)
• M22: 12,315,495 km (0.092 R)
• M23: 14,501,120 km (0.089 R)
• M24: 14,978,038 km (0.116 R)
• M25: 15,907,639 km (0.11 R)
• M26: 16,586,514 km (0.074 R)
• M27: 18,306,890 km (0.116 R)
• M28: 20,736,808 km (0.037 R)
• M29: 24,325,212 km (0.078 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.4

Radius: 11.8

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 4.31 AU - 5.53 AU

Year: 7402 Days

Day: 9.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,389,602 km

• M1: 146,756 km (0.119 R)
• M2: 605,423 km (0.111 R)
• M3: 1,407,118 km (0.108 R)
• M4: 2,126,085 km (0.079 R)
• M5: 3,093,983 km (0.055 R)
• M6: 3,544,422 km (0.12 R)
• M7: 3,915,874 km (0.106 R)
• M8: 4,313,355 km (0.112 R)
• M9: 5,165,914 km (0.104 R)
• M10: 7,739,745 km (0.102 R)
• M11: 10,745,017 km (0.107 R)
• M12: 13,027,431 km (0.098 R)
• M13: 13,728,148 km (0.069 R)
• M14: 15,255,991 km (0.105 R)
• M15: 16,676,572 km (0.109 R)
• M16: 17,113,847 km (0.112 R)
• M17: 21,659,677 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 141.2

Radius: 3.8

Gravity: 9.78 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 7.81 AU - 9.93 AU

Year: 17917 Days

Day: 17.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 71,389,602 km

• M1: 47,273 km (0.062 R)
• M2: 259,552 km (0.089 R)
• M3: 461,958 km (0.115 R)
• M4: 588,668 km (0.051 R)
• M5: 707,000 km (0.069 R)
• M6: 1,278,164 km (0.102 R)
• M7: 2,059,514 km (0.094 R)
• M8: 2,798,378 km (0.094 R)
• M9: 3,457,955 km (0.09 R)
• M10: 5,262,554 km (0.085 R)
• M11: 6,617,163 km (0.05 R)
• M12: 8,145,903 km (0.112 R)
• M13: 10,679,942 km (0.107 R)
• M14: 11,347,447 km (0.116 R)
• M15: 12,206,737 km (0.094 R)
• M16: 12,765,336 km (0.043 R)
• M17: 15,043,562 km (0.116 R)
• M18: 16,078,929 km (0.064 R)
• M19: 18,003,505 km (0.101 R)
• M20: 19,695,008 km (0.109 R)
• M21: 20,307,313 km (0.085 R)
• M22: 22,467,805 km (0.082 R)
• M23: 23,990,263 km (0.081 R)
• M24: 26,308,581 km (0.119 R)
• M25: 30,768,392 km (0.071 R)
• M26: 32,855,283 km (0.032 R)
• M27: 33,499,152 km (0.037 R)
• M28: 39,196,437 km (0.095 R)
• M29: 41,520,291 km (0.107 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 629.7

Radius: 3.9

Gravity: 41.4 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 9.04 AU - 9.38 AU

Year: 18957 Days

Day: 23.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 71,389,602 km

• M1: 48,470 km (0.098 R)
• M2: 240,105 km (0.118 R)
• M3: 464,501 km (0.077 R)
• M4: 602,281 km (0.108 R)
• M5: 728,242 km (0.039 R)
• M6: 850,314 km (0.11 R)
• M7: 1,097,600 km (0.118 R)
• M8: 1,231,490 km (0.098 R)
• M9: 1,376,151 km (0.048 R)
• M10: 3,133,477 km (0.077 R)
• M11: 4,151,491 km (0.056 R)
• M12: 4,648,604 km (0.042 R)
• M13: 4,822,886 km (0.078 R)
• M14: 6,636,461 km (0.114 R)
• M15: 7,314,438 km (0.061 R)
• M16: 9,849,973 km (0.111 R)
• M17: 10,669,619 km (0.066 R)
• M18: 12,847,465 km (0.085 R)
• M19: 12,984,198 km (0.075 R)
• M20: 15,768,364 km (0.081 R)
• M21: 16,321,277 km (0.09 R)
• M22: 16,724,144 km (0.117 R)
• M23: 21,218,364 km (0.069 R)
• M24: 22,778,669 km (0.115 R)
• M25: 24,413,774 km (0.092 R)
• M26: 28,144,895 km (0.116 R)
• M27: 29,310,711 km (0.053 R)
• M28: 29,547,524 km (0.079 R)
• M29: 31,242,019 km (0.112 R)
• M30: 31,365,587 km (0.067 R)
• M31: 31,987,765 km (0.106 R)
• M32: 35,490,300 km (0.071 R)
• M33: 37,125,853 km (0.093 R)
• M34: 42,635,393 km (0.113 R)
• M35: 49,331,394 km (0.083 R)
• M36: 50,852,056 km (0.085 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 12,672 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit