🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.6

Radius: 8.8

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.59 AU - 0.61 AU

Year: 327 Days

Day: 5.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,172,329 km

• M1: 109,506 km (0.085 R)
• M2: 428,897 km (0.119 R)
• M3: 718,369 km (0.065 R)
• M4: 1,099,694 km (0.042 R)
• M5: 1,706,463 km (0.052 R)
• M6: 1,990,699 km (0.064 R)
• M7: 2,468,365 km (0.109 R)
• M8: 2,971,014 km (0.077 R)
• M9: 3,507,023 km (0.073 R)
• M10: 4,502,298 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.6

Radius: 11.7

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.77 AU - 1.11 AU

Year: 641 Days

Day: 14.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,172,329 km

• M1: 145,559 km (0.11 R)
• M2: 570,865 km (0.104 R)
• M3: 1,112,260 km (0.096 R)
• M4: 1,610,571 km (0.085 R)
• M5: 1,985,912 km (0.114 R)
• M6: 2,450,264 km (0.089 R)
• M7: 2,895,916 km (0.069 R)
• M8: 3,497,149 km (0.09 R)
• M9: 4,107,958 km (0.12 R)
• M10: 4,709,640 km (0.068 R)
• M11: 5,369,367 km (0.06 R)
• M12: 5,812,476 km (0.085 R)
• M13: 6,395,608 km (0.031 R)

Asteroid Belt

Center: 1.35 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.4

Radius: 9.4

Gravity: 7.04 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.43 AU - 2.07 AU

Year: 1627 Days

Day: 13.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,172,329 km

• M1: 125,662 km (0.059 R)
• M2: 424,559 km (0.102 R)
• M3: 1,550,582 km (0.115 R)
• M4: 2,171,263 km (0.053 R)
• M5: 2,591,634 km (0.063 R)
• M6: 2,920,599 km (0.05 R)
• M7: 3,972,721 km (0.103 R)
• M8: 4,317,993 km (0.078 R)
• M9: 5,367,272 km (0.114 R)
• M10: 6,092,672 km (0.109 R)
• M11: 7,962,347 km (0.036 R)
• M12: 9,090,015 km (0.115 R)
• M13: 9,692,296 km (0.12 R)
• M14: 10,119,548 km (0.113 R)
• M15: 10,941,289 km (0.103 R)
• M16: 11,732,961 km (0.111 R)
• M17: 12,142,859 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.7

Radius: 12.3

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.51 AU - 2.85 AU

Year: 3084 Days

Day: 9.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,172,329 km

• M1: 153,338 km (0.069 R)
• M2: 622,178 km (0.079 R)
• M3: 1,038,060 km (0.065 R)
• M4: 1,504,805 km (0.082 R)
• M5: 1,961,527 km (0.094 R)
• M6: 2,625,293 km (0.118 R)
• M7: 4,496,164 km (0.073 R)
• M8: 6,977,693 km (0.038 R)
• M9: 7,550,504 km (0.103 R)
• M10: 7,958,756 km (0.032 R)
• M11: 9,678,982 km (0.088 R)
• M12: 10,293,081 km (0.03 R)
• M13: 11,280,278 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500

Radius: 13.5

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.87 AU - 3.63 AU

Year: 4118 Days

Day: 10 Hours

Environment

Temp: -204 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,172,329 km

• M1: 167,849 km (0.074 R)
• M2: 619,485 km (0.061 R)
• M3: 1,211,294 km (0.079 R)
• M4: 1,686,118 km (0.076 R)
• M5: 2,492,001 km (0.095 R)
• M6: 3,277,839 km (0.084 R)
• M7: 4,267,279 km (0.103 R)
• M8: 4,941,517 km (0.051 R)
• M9: 6,241,822 km (0.063 R)
• M10: 9,282,847 km (0.088 R)
• M11: 9,702,918 km (0.113 R)
• M12: 11,997,600 km (0.114 R)
• M13: 12,681,561 km (0.098 R)
• M14: 13,295,361 km (0.113 R)
• M15: 14,994,793 km (0.111 R)
• M16: 16,223,889 km (0.088 R)
• M17: 17,346,322 km (0.093 R)
• M18: 19,187,423 km (0.08 R)
• M19: 20,635,381 km (0.117 R)
• M20: 22,222,614 km (0.082 R)
• M21: 22,838,359 km (0.098 R)
• M22: 23,606,394 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.8

Radius: 14.9

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.12 AU - 5.1 AU

Year: 5857 Days

Day: 14.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 149.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,172,329 km

• M1: 185,352 km (0.065 R)
• M2: 652,247 km (0.06 R)
• M3: 1,442,423 km (0.048 R)
• M4: 2,072,080 km (0.077 R)
• M5: 2,552,140 km (0.081 R)
• M6: 4,104,816 km (0.107 R)
• M7: 4,979,365 km (0.044 R)
• M8: 5,765,951 km (0.099 R)
• M9: 6,283,111 km (0.089 R)
• M10: 7,376,372 km (0.104 R)
• M11: 8,670,842 km (0.103 R)
• M12: 9,684,817 km (0.115 R)
• M13: 10,198,984 km (0.108 R)
• M14: 11,803,721 km (0.05 R)
• M15: 12,591,204 km (0.091 R)
• M16: 15,165,335 km (0.093 R)
• M17: 15,684,439 km (0.097 R)
• M18: 18,854,268 km (0.101 R)
• M19: 25,532,617 km (0.117 R)
• M20: 26,185,910 km (0.109 R)
• M21: 26,766,799 km (0.094 R)
• M22: 29,176,671 km (0.081 R)
• M23: 30,343,385 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 539.6

Radius: 5.3

Gravity: 19.21 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 6.65 AU - 8.25 AU

Year: 14294 Days

Day: 18.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 56,172,329 km

• M1: 65,973 km (0.112 R)
• M2: 346,469 km (0.069 R)
• M3: 1,642,136 km (0.11 R)
• M4: 2,175,303 km (0.111 R)
• M5: 3,072,291 km (0.104 R)
• M6: 3,550,107 km (0.075 R)
• M7: 4,252,469 km (0.092 R)
• M8: 4,684,209 km (0.092 R)
• M9: 5,110,712 km (0.106 R)
• M10: 5,456,134 km (0.095 R)
• M11: 5,928,264 km (0.115 R)
• M12: 6,117,057 km (0.048 R)
• M13: 7,037,233 km (0.101 R)
• M14: 7,909,539 km (0.101 R)
• M15: 8,999,210 km (0.094 R)
• M16: 9,502,756 km (0.064 R)
• M17: 10,621,299 km (0.062 R)
• M18: 10,900,150 km (0.068 R)
• M19: 13,373,002 km (0.051 R)
• M20: 15,191,365 km (0.083 R)
• M21: 16,715,019 km (0.108 R)
• M22: 16,940,612 km (0.097 R)
• M23: 18,577,662 km (0.103 R)
• M24: 21,535,361 km (0.113 R)
• M25: 28,257,093 km (0.096 R)
• M26: 30,104,627 km (0.11 R)
• M27: 30,662,926 km (0.091 R)
• M28: 32,030,998 km (0.069 R)
• M29: 34,522,252 km (0.109 R)
• M30: 35,380,495 km (0.108 R)
• M31: 35,752,694 km (0.111 R)
• M32: 40,424,486 km (0.079 R)
• M33: 44,040,865 km (0.116 R)
• M34: 48,627,386 km (0.086 R)
• M35: 49,395,721 km (0.031 R)
• M36: 52,550,142 km (0.067 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 15,552 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit