🌌 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: 559.6

Radius: 11.6

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.55 AU - 0.87 AU

Year: 413 Days

Day: 9.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,594,705 km

• M1: 144,212 km (0.074 R)
• M2: 597,195 km (0.092 R)
• M3: 982,858 km (0.093 R)
• M4: 1,361,939 km (0.104 R)
• M5: 2,229,607 km (0.119 R)
• M6: 2,654,465 km (0.073 R)
• M7: 3,866,207 km (0.051 R)
• M8: 4,402,217 km (0.08 R)
• M9: 5,002,104 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.8

Radius: 11.7

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.65 AU - 0.93 AU

Year: 485 Days

Day: 11.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 57,594,705 km

• M1: 148,401 km (0.114 R)
• M2: 529,427 km (0.088 R)
• M3: 1,527,245 km (0.05 R)
• M4: 2,896,364 km (0.111 R)
• M5: 3,380,014 km (0.066 R)
• M6: 4,689,893 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.1

Radius: 13.6

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.04 AU - 1.04 AU

Year: 732 Days

Day: 6.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,594,705 km

• M1: 169,195 km (0.112 R)
• M2: 681,119 km (0.116 R)
• M3: 1,123,181 km (0.099 R)
• M4: 1,682,826 km (0.094 R)
• M5: 2,331,483 km (0.079 R)
• M6: 3,062,119 km (0.109 R)
• M7: 3,752,812 km (0.116 R)
• M8: 4,264,736 km (0.085 R)
• M9: 4,918,329 km (0.12 R)
• M10: 5,815,019 km (0.06 R)
• M11: 6,446,023 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.2

Radius: 13.8

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.99 AU - 1.39 AU

Year: 896 Days

Day: 10.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,594,705 km

• M1: 171,738 km (0.077 R)
• M2: 629,358 km (0.106 R)
• M3: 1,473,988 km (0.116 R)
• M4: 2,031,689 km (0.085 R)
• M5: 2,889,483 km (0.101 R)
• M6: 3,762,237 km (0.098 R)
• M7: 5,093,209 km (0.104 R)
• M8: 5,613,062 km (0.088 R)
• M9: 6,188,116 km (0.03 R)
• M10: 6,887,187 km (0.117 R)
• M11: 7,367,246 km (0.075 R)
• M12: 7,869,596 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.2

Radius: 11.4

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.66 AU - 1.7 AU

Year: 1503 Days

Day: 6.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,594,705 km

• M1: 141,819 km (0.059 R)
• M2: 529,876 km (0.059 R)
• M3: 904,170 km (0.081 R)
• M4: 1,368,970 km (0.1 R)
• M5: 1,787,395 km (0.112 R)
• M6: 2,269,101 km (0.056 R)
• M7: 4,120,823 km (0.116 R)
• M8: 5,737,976 km (0.098 R)
• M9: 6,819,868 km (0.085 R)
• M10: 7,952,922 km (0.049 R)
• M11: 10,980,933 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.4

Radius: 13.1

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.21 AU - 3.23 AU

Year: 3096 Days

Day: 10.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,594,705 km

• M1: 162,912 km (0.081 R)
• M2: 668,852 km (0.038 R)
• M3: 1,104,182 km (0.102 R)
• M4: 2,541,219 km (0.113 R)
• M5: 3,021,129 km (0.025 R)
• M6: 3,845,264 km (0.026 R)
• M7: 4,765,739 km (0.112 R)
• M8: 5,609,172 km (0.095 R)
• M9: 6,342,052 km (0.057 R)
• M10: 9,304,539 km (0.102 R)
• M11: 11,303,765 km (0.089 R)
• M12: 12,014,654 km (0.077 R)
• M13: 13,673,993 km (0.104 R)
• M14: 14,225,710 km (0.113 R)
• M15: 15,001,974 km (0.117 R)
• M16: 17,913,597 km (0.116 R)
• M17: 19,314,282 km (0.051 R)
• M18: 20,786,774 km (0.052 R)
• M19: 24,244,429 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 834.8

Radius: 6

Gravity: 23.19 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 4.98 AU - 6.14 AU

Year: 9049 Days

Day: 15.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 57,594,705 km

• M1: 75,846 km (0.091 R)
• M2: 358,287 km (0.102 R)
• M3: 556,654 km (0.084 R)
• M4: 1,205,160 km (0.077 R)
• M5: 1,527,245 km (0.117 R)
• M6: 1,746,854 km (0.085 R)
• M7: 1,971,102 km (0.08 R)
• M8: 2,911,623 km (0.084 R)
• M9: 3,275,296 km (0.103 R)
• M10: 3,542,627 km (0.091 R)
• M11: 3,771,961 km (0.098 R)
• M12: 4,346,267 km (0.1 R)
• M13: 6,161,188 km (0.054 R)
• M14: 6,493,744 km (0.092 R)
• M15: 6,916,508 km (0.118 R)
• M16: 7,945,293 km (0.08 R)
• M17: 8,384,063 km (0.09 R)
• M18: 9,357,945 km (0.109 R)
• M19: 12,378,476 km (0.054 R)
• M20: 13,699,874 km (0.076 R)
• M21: 14,980,581 km (0.112 R)
• M22: 15,245,968 km (0.033 R)
• M23: 15,923,048 km (0.075 R)
• M24: 16,479,103 km (0.04 R)
• M25: 16,976,217 km (0.096 R)
• M26: 18,075,013 km (0.105 R)
• M27: 18,603,542 km (0.04 R)
• M28: 18,987,560 km (0.08 R)
• M29: 19,455,053 km (0.044 R)
• M30: 21,570,517 km (0.049 R)
• M31: 24,561,876 km (0.11 R)
• M32: 28,018,634 km (0.099 R)
• M33: 31,028,693 km (0.119 R)
• M34: 40,180,193 km (0.091 R)
• M35: 43,724,615 km (0.026 R)
• M36: 44,539,624 km (0.079 R)
• M37: 44,813,538 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 481.9

Radius: 5.4

Gravity: 16.53 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 5.55 AU - 7.15 AU

Year: 11045 Days

Day: 16.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,594,705 km

• M1: 73,153 km (0.099 R)
• M2: 302,636 km (0.074 R)
• M3: 830,268 km (0.106 R)
• M4: 1,054,964 km (0.065 R)
• M5: 1,761,964 km (0.085 R)
• M6: 2,050,987 km (0.104 R)
• M7: 2,333,876 km (0.047 R)
• M8: 2,543,313 km (0.118 R)
• M9: 2,765,317 km (0.05 R)
• M10: 3,111,187 km (0.118 R)
• M11: 3,294,594 km (0.087 R)
• M12: 4,129,649 km (0.102 R)
• M13: 5,451,197 km (0.105 R)
• M14: 6,762,422 km (0.11 R)
• M15: 7,430,077 km (0.073 R)
• M16: 7,634,578 km (0.102 R)
• M17: 8,714,226 km (0.102 R)
• M18: 11,118,563 km (0.103 R)
• M19: 11,713,364 km (0.065 R)
• M20: 11,934,769 km (0.105 R)
• M21: 12,907,454 km (0.066 R)
• M22: 15,204,978 km (0.053 R)
• M23: 15,869,791 km (0.064 R)
• M24: 16,072,945 km (0.105 R)
• M25: 18,201,274 km (0.06 R)
• M26: 19,102,751 km (0.081 R)
• M27: 21,985,651 km (0.062 R)
• M28: 22,153,799 km (0.097 R)
• M29: 23,007,554 km (0.103 R)
• M30: 25,145,756 km (0.112 R)
• M31: 29,098,880 km (0.067 R)
• M32: 31,169,315 km (0.092 R)
• M33: 39,559,063 km (0.071 R)
• M34: 43,933,753 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 352.6

Radius: 3

Gravity: 39.18 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 6.8 AU - 11.02 AU

Year: 18358 Days

Day: 24.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 57,594,705 km

• M1: 40,242 km (0.111 R)
• M2: 155,283 km (0.096 R)
• M3: 300,542 km (0.049 R)
• M4: 464,053 km (0.109 R)
• M5: 625,469 km (0.075 R)
• M6: 823,087 km (0.105 R)
• M7: 936,632 km (0.07 R)
• M8: 2,240,228 km (0.073 R)
• M9: 2,678,251 km (0.096 R)
• M10: 3,146,043 km (0.101 R)
• M11: 3,477,851 km (0.101 R)
• M12: 4,033,308 km (0.098 R)
• M13: 4,362,872 km (0.111 R)
• M14: 4,709,939 km (0.093 R)
• M15: 5,975,089 km (0.07 R)
• M16: 6,089,681 km (0.081 R)
• M17: 7,275,244 km (0.116 R)
• M18: 9,876,900 km (0.055 R)
• M19: 11,678,956 km (0.105 R)
• M20: 12,973,726 km (0.118 R)
• M21: 14,774,735 km (0.059 R)
• M22: 15,196,451 km (0.108 R)
• M23: 16,211,622 km (0.103 R)
• M24: 17,503,998 km (0.118 R)
• M25: 19,110,380 km (0.098 R)
• M26: 20,034,446 km (0.075 R)
• M27: 23,550,594 km (0.101 R)
• M28: 31,425,576 km (0.085 R)
• M29: 31,656,705 km (0.085 R)
• M30: 33,666,702 km (0.066 R)
• M31: 37,678,169 km (0.112 R)
• M32: 38,332,510 km (0.066 R)
• M33: 38,464,156 km (0.098 R)
• M34: 39,394,954 km (0.043 R)
• M35: 39,798,419 km (0.067 R)
• M36: 44,274,537 km (0.068 R)
• M37: 46,035,902 km (0.097 R)
• M38: 51,921,232 km (0.092 R)
• M39: 52,082,499 km (0.081 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 494 - 18,922 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit