🌌 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: 679.4

Radius: 12.9

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.66 AU - 0.76 AU

Year: 386 Days

Day: 12.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 165.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,114,975 km

• M1: 161,566 km (0.097 R)
• M2: 567,425 km (0.107 R)
• M3: 1,157,888 km (0.115 R)
• M4: 1,712,596 km (0.111 R)
• M5: 2,352,726 km (0.063 R)
• M6: 2,774,442 km (0.041 R)
• M7: 3,532,754 km (0.058 R)
• M8: 4,315,899 km (0.03 R)
• M9: 4,865,970 km (0.117 R)
• M10: 5,398,987 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.9

Radius: 14.1

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.81 AU - 0.99 AU

Year: 551 Days

Day: 8.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,114,975 km

• M1: 175,329 km (0.108 R)
• M2: 927,656 km (0.108 R)
• M3: 1,404,874 km (0.102 R)
• M4: 1,846,187 km (0.065 R)
• M5: 2,933,315 km (0.063 R)
• M6: 3,544,273 km (0.039 R)
• M7: 4,325,174 km (0.048 R)
• M8: 4,928,502 km (0.07 R)
• M9: 5,519,413 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.2

Radius: 11

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.67 AU - 2.51 AU

Year: 1951 Days

Day: 6.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 103.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,114,975 km

• M1: 138,079 km (0.059 R)
• M2: 539,300 km (0.108 R)
• M3: 981,960 km (0.097 R)
• M4: 1,429,108 km (0.079 R)
• M5: 2,327,743 km (0.117 R)
• M6: 2,760,380 km (0.059 R)
• M7: 3,277,689 km (0.046 R)
• M8: 4,037,347 km (0.083 R)
• M9: 4,449,639 km (0.107 R)
• M10: 4,910,700 km (0.077 R)
• M11: 5,337,353 km (0.079 R)
• M12: 6,119,600 km (0.03 R)
• M13: 8,290,864 km (0.099 R)
• M14: 10,165,923 km (0.044 R)
• M15: 10,825,949 km (0.083 R)
• M16: 11,477,149 km (0.073 R)
• M17: 12,386,105 km (0.115 R)
• M18: 14,091,072 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164

Radius: 10.6

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.42 AU - 2.62 AU

Year: 2583 Days

Day: 5 Hours

Environment

Temp: -196 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,114,975 km

• M1: 131,945 km (0.042 R)
• M2: 609,462 km (0.108 R)
• M3: 972,985 km (0.113 R)
• M4: 1,363,585 km (0.117 R)
• M5: 2,909,080 km (0.065 R)
• M6: 4,157,325 km (0.105 R)
• M7: 5,973,892 km (0.11 R)
• M8: 7,208,523 km (0.12 R)
• M9: 8,435,974 km (0.112 R)
• M10: 9,642,929 km (0.072 R)
• M11: 10,400,942 km (0.118 R)
• M12: 11,130,231 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.2

Radius: 8.2

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.6 AU - 5.44 AU

Year: 6205 Days

Day: 11.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,114,975 km

• M1: 102,325 km (0.106 R)
• M2: 384,766 km (0.088 R)
• M3: 654,191 km (0.084 R)
• M4: 1,816,268 km (0.078 R)
• M5: 2,516,835 km (0.063 R)
• M6: 4,948,548 km (0.089 R)
• M7: 8,310,611 km (0.076 R)
• M8: 8,628,955 km (0.1 R)
• M9: 11,329,944 km (0.095 R)
• M10: 12,428,591 km (0.059 R)
• M11: 14,548,393 km (0.072 R)
• M12: 14,836,518 km (0.11 R)
• M13: 17,152,593 km (0.085 R)
• M14: 18,598,306 km (0.07 R)
• M15: 21,063,081 km (0.101 R)
• M16: 23,737,442 km (0.082 R)
• M17: 25,363,272 km (0.118 R)
• M18: 31,063,399 km (0.068 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 877.4

Radius: 4.6

Gravity: 41.47 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 6.14 AU - 8.6 AU

Year: 12919 Days

Day: 24.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 41,114,975 km

• M1: 91,255 km (0.05 R)
• M2: 543,339 km (0.111 R)
• M3: 986,748 km (0.117 R)
• M4: 1,244,654 km (0.071 R)
• M5: 1,396,945 km (0.105 R)
• M6: 1,561,802 km (0.073 R)
• M7: 1,790,387 km (0.04 R)
• M8: 2,657,008 km (0.11 R)
• M9: 3,131,532 km (0.047 R)
• M10: 3,946,392 km (0.074 R)
• M11: 4,125,012 km (0.092 R)
• M12: 6,752,399 km (0.061 R)
• M13: 9,293,469 km (0.115 R)
• M14: 9,450,845 km (0.102 R)
• M15: 10,949,068 km (0.05 R)
• M16: 15,190,467 km (0.081 R)
• M17: 15,336,026 km (0.108 R)
• M18: 16,610,749 km (0.087 R)
• M19: 16,765,134 km (0.105 R)
• M20: 17,792,722 km (0.055 R)
• M21: 20,499,546 km (0.082 R)
• M22: 23,760,779 km (0.052 R)
• M23: 24,552,003 km (0.102 R)
• M24: 29,444,750 km (0.104 R)
• M25: 33,452,328 km (0.044 R)
• M26: 40,261,125 km (0.116 R)
• M27: 41,668,393 km (0.112 R)

Asteroid Belt

Center: 7.8 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 186.7

Radius: 5.1

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 7.13 AU - 9.31 AU

Year: 15217 Days

Day: 21.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 41,114,975 km

• M1: 76,893 km (0.117 R)
• M2: 244,443 km (0.074 R)
• M3: 411,993 km (0.1 R)
• M4: 596,148 km (0.086 R)
• M5: 1,023,698 km (0.084 R)
• M6: 1,334,413 km (0.058 R)
• M7: 1,808,489 km (0.033 R)
• M8: 2,142,840 km (0.104 R)
• M9: 2,671,070 km (0.099 R)
• M10: 3,083,212 km (0.104 R)
• M11: 3,729,924 km (0.045 R)
• M12: 4,190,984 km (0.093 R)
• M13: 4,407,602 km (0.043 R)
• M14: 4,834,255 km (0.092 R)
• M15: 5,287,836 km (0.114 R)
• M16: 5,769,242 km (0.111 R)
• M17: 6,003,662 km (0.043 R)
• M18: 8,409,046 km (0.078 R)
• M19: 8,886,263 km (0.11 R)
• M20: 10,230,849 km (0.119 R)
• M21: 10,524,958 km (0.089 R)
• M22: 12,410,191 km (0.09 R)
• M23: 15,642,701 km (0.04 R)
• M24: 16,766,032 km (0.115 R)
• M25: 18,226,705 km (0.114 R)
• M26: 18,804,752 km (0.093 R)
• M27: 21,239,906 km (0.1 R)
• M28: 21,879,885 km (0.118 R)
• M29: 23,282,515 km (0.069 R)
• M30: 25,542,041 km (0.04 R)
• M31: 26,083,586 km (0.096 R)
• M32: 32,134,071 km (0.088 R)
• M33: 32,448,526 km (0.109 R)
• M34: 32,765,075 km (0.093 R)
• M35: 34,051,467 km (0.101 R)
• M36: 40,869,091 km (0.059 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 297 - 12,042 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit