🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804

Radius: 8.9

Gravity: 10.15 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.36 AU - 2.14 AU

Year: 1519 Days

Day: 6.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,815,405 km

• M1: 110,702 km (0.071 R)
• M2: 462,557 km (0.077 R)
• M3: 925,712 km (0.091 R)
• M4: 1,412,054 km (0.102 R)
• M5: 2,142,092 km (0.109 R)
• M6: 2,632,175 km (0.108 R)
• M7: 3,210,969 km (0.11 R)
• M8: 4,087,313 km (0.063 R)
• M9: 4,503,046 km (0.097 R)
• M10: 4,802,391 km (0.084 R)
• M11: 5,352,911 km (0.086 R)
• M12: 6,656,208 km (0.049 R)
• M13: 7,152,125 km (0.08 R)
• M14: 7,477,949 km (0.078 R)
• M15: 7,756,949 km (0.062 R)
• M16: 8,819,692 km (0.074 R)
• M17: 9,386,070 km (0.084 R)
• M18: 9,976,532 km (0.056 R)
• M19: 10,522,116 km (0.053 R)
• M20: 11,709,773 km (0.11 R)
• M21: 13,064,681 km (0.074 R)
• M22: 14,136,849 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.1

Radius: 14.7

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.78 AU - 4.36 AU

Year: 4425 Days

Day: 8.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,815,405 km

• M1: 183,108 km (0.103 R)
• M2: 681,269 km (0.102 R)
• M3: 1,177,335 km (0.104 R)
• M4: 2,395,810 km (0.115 R)
• M5: 2,919,103 km (0.117 R)
• M6: 4,278,499 km (0.107 R)
• M7: 4,748,087 km (0.091 R)
• M8: 6,535,333 km (0.118 R)
• M9: 7,206,279 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.4

Radius: 14.5

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 4.16 AU - 4.34 AU

Year: 5748 Days

Day: 11.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,815,405 km

• M1: 180,265 km (0.094 R)
• M2: 695,331 km (0.117 R)
• M3: 1,163,722 km (0.067 R)
• M4: 1,815,969 km (0.073 R)
• M5: 2,448,169 km (0.108 R)
• M6: 3,939,660 km (0.102 R)
• M7: 4,393,839 km (0.119 R)
• M8: 5,857,355 km (0.109 R)
• M9: 6,576,173 km (0.119 R)
• M10: 8,011,265 km (0.047 R)
• M11: 8,898,381 km (0.062 R)
• M12: 15,882,507 km (0.071 R)
• M13: 16,984,445 km (0.084 R)
• M14: 17,828,476 km (0.085 R)
• M15: 19,731,361 km (0.075 R)
• M16: 23,125,587 km (0.051 R)
• M17: 26,409,709 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.8

Radius: 13

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 5.02 AU - 5.2 AU

Year: 7578 Days

Day: 10.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,815,405 km

• M1: 161,715 km (0.095 R)
• M2: 609,911 km (0.075 R)
• M3: 1,136,645 km (0.1 R)
• M4: 1,741,170 km (0.09 R)
• M5: 2,501,875 km (0.115 R)
• M6: 4,185,300 km (0.087 R)
• M7: 5,312,071 km (0.056 R)
• M8: 8,079,631 km (0.118 R)
• M9: 10,186,119 km (0.111 R)
• M10: 10,898,504 km (0.047 R)
• M11: 12,107,105 km (0.114 R)
• M12: 12,690,238 km (0.07 R)
• M13: 13,291,920 km (0.064 R)
• M14: 14,027,493 km (0.094 R)
• M15: 18,325,739 km (0.108 R)
• M16: 20,848,558 km (0.071 R)
• M17: 24,927,044 km (0.084 R)
• M18: 26,221,216 km (0.089 R)
• M19: 33,994,022 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.5

Radius: 10.2

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 5.24 AU - 5.74 AU

Year: 8439 Days

Day: 7.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 46,815,405 km

• M1: 133,591 km (0.078 R)
• M2: 553,363 km (0.071 R)
• M3: 945,010 km (0.05 R)
• M4: 2,261,471 km (0.067 R)
• M5: 2,850,288 km (0.057 R)
• M6: 3,430,578 km (0.083 R)
• M7: 4,016,404 km (0.118 R)
• M8: 4,358,684 km (0.117 R)
• M9: 4,773,818 km (0.108 R)
• M10: 6,773,044 km (0.068 R)
• M11: 7,807,513 km (0.06 R)
• M12: 8,343,073 km (0.08 R)
• M13: 9,746,451 km (0.064 R)
• M14: 10,458,836 km (0.079 R)
• M15: 11,205,329 km (0.116 R)
• M16: 12,037,093 km (0.039 R)
• M17: 12,648,650 km (0.04 R)
• M18: 13,014,865 km (0.109 R)
• M19: 15,011,548 km (0.045 R)
• M20: 16,824,824 km (0.1 R)
• M21: 17,654,194 km (0.097 R)
• M22: 18,443,772 km (0.101 R)
• M23: 19,051,289 km (0.097 R)
• M24: 19,532,994 km (0.112 R)
• M25: 25,381,523 km (0.051 R)
• M26: 26,302,298 km (0.094 R)
• M27: 30,582,592 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 810.1

Radius: 6

Gravity: 22.5 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 5.45 AU - 6.79 AU

Year: 9932 Days

Day: 24.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 46,815,405 km

• M1: 74,649 km (0.11 R)
• M2: 404,064 km (0.104 R)
• M3: 2,090,032 km (0.084 R)
• M4: 2,386,385 km (0.116 R)
• M5: 2,710,414 km (0.084 R)
• M6: 3,179,852 km (0.114 R)
• M7: 4,820,642 km (0.079 R)
• M8: 5,239,217 km (0.096 R)
• M9: 5,440,426 km (0.055 R)
• M10: 8,875,642 km (0.095 R)
• M11: 10,369,975 km (0.048 R)
• M12: 10,849,286 km (0.037 R)
• M13: 14,233,190 km (0.095 R)
• M14: 15,160,697 km (0.108 R)
• M15: 15,501,481 km (0.1 R)
• M16: 16,411,485 km (0.026 R)
• M17: 18,414,301 km (0.076 R)
• M18: 19,675,112 km (0.051 R)
• M19: 22,367,275 km (0.116 R)
• M20: 22,809,038 km (0.095 R)
• M21: 31,236,035 km (0.111 R)
• M22: 33,712,778 km (0.112 R)
• M23: 34,176,681 km (0.089 R)
• M24: 36,927,486 km (0.114 R)
• M25: 41,923,307 km (0.108 R)
• M26: 43,273,129 km (0.106 R)
• M27: 50,157,473 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 38.4

Radius: 5.5

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 5.92 AU - 9.06 AU

Year: 13447 Days

Day: 18.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,815,405 km

• M1: 71,209 km (0.08 R)
• M2: 265,985 km (0.059 R)
• M3: 611,855 km (0.114 R)
• M4: 898,634 km (0.115 R)
• M5: 1,803,103 km (0.071 R)
• M6: 3,237,597 km (0.1 R)
• M7: 4,173,033 km (0.117 R)
• M8: 5,150,655 km (0.07 R)
• M9: 5,327,330 km (0.115 R)
• M10: 11,348,494 km (0.054 R)
• M11: 12,534,207 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 260.3

Radius: 6.1

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 8.07 AU - 8.51 AU

Year: 15658 Days

Day: 21.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 119 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,815,405 km

• M1: 75,846 km (0.101 R)
• M2: 293,511 km (0.107 R)
• M3: 1,047,933 km (0.094 R)
• M4: 2,274,785 km (0.105 R)
• M5: 2,620,356 km (0.085 R)
• M6: 4,194,575 km (0.09 R)
• M7: 4,959,469 km (0.115 R)
• M8: 7,233,057 km (0.063 R)
• M9: 7,809,757 km (0.091 R)
• M10: 8,595,744 km (0.035 R)
• M11: 10,684,878 km (0.058 R)
• M12: 10,894,914 km (0.083 R)
• M13: 13,945,364 km (0.051 R)
• M14: 14,707,565 km (0.12 R)
• M15: 17,667,060 km (0.093 R)
• M16: 21,748,239 km (0.026 R)
• M17: 27,877,563 km (0.111 R)
• M18: 28,276,242 km (0.108 R)
• M19: 29,701,311 km (0.117 R)
• M20: 36,590,143 km (0.065 R)
• M21: 38,649,657 km (0.037 R)
• M22: 41,170,082 km (0.112 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: 406 - 12,763 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit