🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.5

Radius: 12.2

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.47 AU - 0.75 AU

Year: 323 Days

Day: 6 Hours

Environment

Temp: -141 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 75,945,591 km

• M1: 151,692 km (0.094 R)
• M2: 556,205 km (0.082 R)
• M3: 976,126 km (0.119 R)
• M4: 1,395,150 km (0.073 R)
• M5: 1,799,662 km (0.064 R)
• M6: 2,673,613 km (0.059 R)
• M7: 3,338,426 km (0.031 R)

Planet 2 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.7

Radius: 9.1

Gravity: 8.12 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 4.87 AU - 5.47 AU

Year: 7973 Days

Day: 10.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 75,945,591 km

• M1: 113,246 km (0.089 R)
• M2: 990,936 km (0.104 R)
• M3: 1,330,224 km (0.103 R)
• M4: 1,704,668 km (0.08 R)
• M5: 2,003,415 km (0.093 R)
• M6: 2,787,008 km (0.109 R)
• M7: 3,075,583 km (0.112 R)
• M8: 4,167,946 km (0.067 R)
• M9: 4,773,818 km (0.027 R)
• M10: 5,219,769 km (0.111 R)
• M11: 7,326,107 km (0.063 R)
• M12: 7,798,986 km (0.083 R)
• M13: 8,546,377 km (0.079 R)
• M14: 15,234,898 km (0.094 R)
• M15: 15,552,943 km (0.052 R)
• M16: 18,909,769 km (0.112 R)
• M17: 22,969,556 km (0.119 R)
• M18: 23,982,783 km (0.096 R)
• M19: 25,202,155 km (0.095 R)
• M20: 25,737,266 km (0.097 R)
• M21: 26,279,858 km (0.078 R)
• M22: 28,143,847 km (0.113 R)
• M23: 29,108,006 km (0.045 R)
• M24: 39,036,667 km (0.1 R)
• M25: 39,393,757 km (0.106 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 529.6

Radius: 5.7

Gravity: 16.3 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 5.36 AU - 6.84 AU

Year: 10218 Days

Day: 19.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 75,945,591 km

• M1: 71,059 km (0.063 R)
• M2: 271,071 km (0.034 R)
• M3: 466,147 km (0.103 R)
• M4: 919,129 km (0.093 R)
• M5: 1,360,293 km (0.115 R)
• M6: 1,572,573 km (0.065 R)
• M7: 1,869,076 km (0.098 R)
• M8: 2,064,451 km (0.094 R)
• M9: 3,419,658 km (0.076 R)
• M10: 3,663,502 km (0.117 R)
• M11: 3,971,225 km (0.045 R)
• M12: 4,580,238 km (0.047 R)
• M13: 4,998,962 km (0.104 R)
• M14: 5,249,539 km (0.112 R)
• M15: 6,228,657 km (0.095 R)
• M16: 6,592,928 km (0.076 R)
• M17: 11,319,622 km (0.112 R)
• M18: 12,823,829 km (0.12 R)
• M19: 14,645,931 km (0.1 R)
• M20: 14,965,621 km (0.093 R)
• M21: 15,618,766 km (0.119 R)
• M22: 21,544,337 km (0.05 R)
• M23: 24,371,588 km (0.095 R)
• M24: 27,922,592 km (0.067 R)
• M25: 36,964,437 km (0.111 R)
• M26: 38,760,808 km (0.115 R)
• M27: 41,499,646 km (0.111 R)
• M28: 43,046,638 km (0.086 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 56.7

Radius: 3.8

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 6.55 AU - 10.77 AU

Year: 17285 Days

Day: 16.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,945,591 km

• M1: 47,423 km (0.092 R)
• M2: 197,469 km (0.118 R)
• M3: 462,557 km (0.111 R)
• M4: 651,798 km (0.071 R)
• M5: 933,491 km (0.069 R)
• M6: 1,568,833 km (0.096 R)
• M7: 1,898,547 km (0.072 R)
• M8: 2,623,647 km (0.105 R)
• M9: 2,766,364 km (0.104 R)
• M10: 4,621,527 km (0.116 R)
• M11: 5,494,131 km (0.049 R)
• M12: 6,568,244 km (0.092 R)
• M13: 7,885,154 km (0.09 R)
• M14: 8,070,506 km (0.079 R)
• M15: 9,326,978 km (0.109 R)
• M16: 13,390,655 km (0.107 R)
• M17: 16,011,460 km (0.052 R)
• M18: 16,914,882 km (0.076 R)
• M19: 19,828,450 km (0.051 R)
• M20: 20,869,352 km (0.103 R)
• M21: 23,745,072 km (0.08 R)
• M22: 27,041,760 km (0.117 R)
• M23: 27,889,681 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 753.2

Radius: 6.3

Gravity: 18.98 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 9.03 AU - 9.43 AU

Year: 19019 Days

Day: 17.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 75,945,591 km

• M1: 78,389 km (0.05 R)
• M2: 295,605 km (0.097 R)
• M3: 780,901 km (0.058 R)
• M4: 1,588,281 km (0.089 R)
• M5: 2,209,860 km (0.106 R)
• M6: 2,658,803 km (0.12 R)
• M7: 3,303,420 km (0.112 R)
• M8: 4,015,506 km (0.075 R)
• M9: 4,274,310 km (0.093 R)
• M10: 4,648,305 km (0.079 R)
• M11: 5,268,987 km (0.118 R)
• M12: 6,854,425 km (0.069 R)
• M13: 7,319,375 km (0.117 R)
• M14: 9,618,694 km (0.095 R)
• M15: 10,024,254 km (0.072 R)
• M16: 10,931,565 km (0.103 R)
• M17: 12,632,044 km (0.033 R)
• M18: 16,140,114 km (0.08 R)
• M19: 20,153,526 km (0.075 R)
• M20: 21,009,675 km (0.104 R)
• M21: 21,495,718 km (0.078 R)
• M22: 24,144,498 km (0.107 R)
• M23: 28,160,303 km (0.099 R)
• M24: 28,870,295 km (0.1 R)
• M25: 42,989,491 km (0.116 R)
• M26: 49,010,656 km (0.085 R)
• M27: 52,310,336 km (0.08 R)
• M28: 55,201,465 km (0.092 R)
• M29: 55,755,126 km (0.081 R)
• M30: 56,499,077 km (0.037 R)
• M31: 57,249,759 km (0.099 R)
• M32: 60,318,609 km (0.102 R)
• M33: 75,264,783 km (0.084 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: 255 - 16,455 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit