🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.9

Radius: 8.8

Gravity: 8.84 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.4 AU - 0.62 AU

Year: 243 Days

Day: 13.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,111,679 km

• M1: 109,506 km (0.053 R)
• M2: 403,316 km (0.061 R)
• M3: 749,485 km (0.071 R)
• M4: 1,110,615 km (0.107 R)
• M5: 1,388,418 km (0.105 R)
• M6: 1,713,344 km (0.119 R)
• M7: 2,119,054 km (0.118 R)
• M8: 2,536,432 km (0.105 R)
• M9: 2,922,245 km (0.079 R)
• M10: 3,367,747 km (0.112 R)
• M11: 3,645,251 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.4

Radius: 9.3

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.58 AU - 0.66 AU

Year: 326 Days

Day: 7.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 57.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 74,111,679 km

• M1: 115,938 km (0.05 R)
• M2: 406,457 km (0.052 R)
• M3: 735,573 km (0.063 R)
• M4: 1,266,196 km (0.042 R)
• M5: 1,661,135 km (0.089 R)
• M6: 2,013,288 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.8

Radius: 10.6

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.79 AU - 0.95 AU

Year: 541 Days

Day: 9.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,111,679 km

• M1: 131,796 km (0.037 R)
• M2: 501,901 km (0.053 R)
• M3: 957,576 km (0.076 R)
• M4: 1,323,941 km (0.12 R)
• M5: 1,656,647 km (0.053 R)
• M6: 2,089,284 km (0.118 R)
• M7: 2,418,848 km (0.115 R)
• M8: 2,880,507 km (0.075 R)
• M9: 4,247,084 km (0.106 R)
• M10: 5,033,819 km (0.088 R)
• M11: 5,598,850 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.5

Radius: 8.4

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2 AU - 2.62 AU

Year: 2341 Days

Day: 12.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,111,679 km

• M1: 104,569 km (0.079 R)
• M2: 516,412 km (0.12 R)
• M3: 915,090 km (0.049 R)
• M4: 1,272,031 km (0.09 R)
• M5: 2,578,618 km (0.083 R)
• M6: 3,096,975 km (0.077 R)
• M7: 3,450,325 km (0.114 R)
• M8: 3,776,449 km (0.084 R)
• M9: 4,400,571 km (0.096 R)
• M10: 4,977,121 km (0.086 R)
• M11: 6,570,338 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.8

Radius: 10.4

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.91 AU - 4.27 AU

Year: 4536 Days

Day: 5.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,111,679 km

• M1: 129,402 km (0.066 R)
• M2: 870,211 km (0.09 R)
• M3: 1,198,728 km (0.117 R)
• M4: 3,321,222 km (0.104 R)
• M5: 4,170,489 km (0.059 R)
• M6: 4,926,407 km (0.118 R)
• M7: 5,253,279 km (0.094 R)
• M8: 8,651,095 km (0.101 R)
• M9: 13,158,629 km (0.104 R)
• M10: 14,349,278 km (0.083 R)
• M11: 17,155,734 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.9

Radius: 8.7

Gravity: 8.26 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.99 AU - 5.13 AU

Year: 6493 Days

Day: 11.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,111,679 km

• M1: 108,159 km (0.118 R)
• M2: 625,469 km (0.059 R)
• M3: 1,450,052 km (0.027 R)
• M4: 1,729,501 km (0.085 R)
• M5: 2,929,426 km (0.071 R)
• M6: 3,425,043 km (0.066 R)
• M7: 4,196,669 km (0.116 R)
• M8: 5,281,852 km (0.087 R)
• M9: 6,680,443 km (0.072 R)
• M10: 16,918,771 km (0.059 R)
• M11: 18,645,131 km (0.09 R)
• M12: 19,059,517 km (0.107 R)
• M13: 23,629,283 km (0.064 R)
• M14: 24,442,198 km (0.104 R)
• M15: 24,855,537 km (0.079 R)
• M16: 26,555,866 km (0.075 R)
• M17: 28,423,147 km (0.11 R)
• M18: 31,337,164 km (0.107 R)
• M19: 33,522,040 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 858.7

Radius: 4.3

Gravity: 46.44 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 6.98 AU - 10.46 AU

Year: 17171 Days

Day: 21.6 Hours

Environment

Temp: -243 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 74,111,679 km

• M1: 53,556 km (0.116 R)
• M2: 223,798 km (0.098 R)
• M3: 478,264 km (0.095 R)
• M4: 691,441 km (0.06 R)
• M5: 1,627,475 km (0.12 R)
• M6: 2,196,246 km (0.117 R)
• M7: 2,739,137 km (0.087 R)
• M8: 3,338,875 km (0.069 R)
• M9: 3,865,908 km (0.086 R)
• M10: 4,514,415 km (0.115 R)
• M11: 4,828,870 km (0.12 R)
• M12: 5,619,046 km (0.067 R)
• M13: 5,778,816 km (0.11 R)
• M14: 7,547,811 km (0.087 R)
• M15: 10,466,615 km (0.067 R)
• M16: 10,892,819 km (0.029 R)
• M17: 11,079,069 km (0.084 R)
• M18: 11,267,263 km (0.111 R)
• M19: 11,715,009 km (0.117 R)
• M20: 13,199,170 km (0.08 R)
• M21: 15,340,962 km (0.097 R)
• M22: 18,483,415 km (0.078 R)
• M23: 19,741,683 km (0.108 R)
• M24: 20,018,589 km (0.104 R)
• M25: 20,674,575 km (0.088 R)
• M26: 22,227,850 km (0.034 R)
• M27: 23,442,585 km (0.09 R)
• M28: 24,276,593 km (0.05 R)
• M29: 27,695,503 km (0.117 R)
• M30: 28,158,807 km (0.08 R)
• M31: 35,062,899 km (0.037 R)
• M32: 37,829,262 km (0.078 R)
• M33: 39,556,968 km (0.055 R)
• M34: 39,850,030 km (0.046 R)
• M35: 40,144,439 km (0.104 R)
• M36: 40,588,745 km (0.086 R)
• M37: 42,093,550 km (0.08 R)
• M38: 55,494,377 km (0.083 R)
• M39: 60,007,895 km (0.093 R)
• M40: 63,549,175 km (0.115 R)
• M41: 63,749,786 km (0.117 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 227 - 14,252 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit