🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.88 AU - 0.92 AU

Year: 313 Days

Day: 42.4 Hours

Environment

Temp: 131 °C

Axial Tilt: 47.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.96 AU - 1.18 AU

Year: 406 Days

Day: 42.3 Hours

Environment

Temp: 12 °C

Axial Tilt: 47.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.15 AU - 2.43 AU

Year: 1272 Days

Day: 15.7 Hours

Environment

Temp: -83 °C

Axial Tilt: 23.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.77 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.6

Radius: 8.6

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 6.58 AU - 7.92 AU

Year: 7166 Days

Day: 10.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 43,349,527 km

• M1: 122,221 km (0.085 R)
• M2: 273,465 km (0.12 R)
• M3: 534,513 km (0.063 R)
• M4: 698,622 km (0.036 R)
• M5: 752,926 km (0.114 R)
• M6: 853,605 km (0.116 R)
• M7: 958,922 km (0.09 R)
• M8: 1,096,852 km (0.091 R)
• M9: 1,316,461 km (0.099 R)
• M10: 1,582,297 km (0.114 R)
• M11: 1,899,594 km (0.1 R)
• M12: 2,164,382 km (0.087 R)
• M13: 2,227,811 km (0.096 R)
• M14: 2,440,839 km (0.034 R)
• M15: 2,497,536 km (0.057 R)
• M16: 3,232,960 km (0.067 R)
• M17: 3,358,173 km (0.109 R)
• M18: 3,527,817 km (0.073 R)
• M19: 3,689,383 km (0.114 R)
• M20: 4,245,737 km (0.051 R)
• M21: 4,406,256 km (0.056 R)
• M22: 4,828,122 km (0.112 R)
• M23: 5,056,109 km (0.119 R)
• M24: 5,238,618 km (0.071 R)
• M25: 5,410,805 km (0.118 R)
• M26: 5,951,602 km (0.111 R)
• M27: 6,365,389 km (0.112 R)
• M28: 6,828,544 km (0.089 R)
• M29: 7,984,038 km (0.066 R)
• M30: 8,325,271 km (0.111 R)
• M31: 8,454,374 km (0.105 R)
• M32: 8,889,853 km (0.093 R)
• M33: 8,977,817 km (0.095 R)
• M34: 9,288,083 km (0.096 R)
• M35: 10,147,822 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.6

Radius: 13.4

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 5.89 AU - 8.73 AU

Year: 7255 Days

Day: 8.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 43,349,527 km

• M1: 307,573 km (0.119 R)
• M2: 473,926 km (0.118 R)
• M3: 578,794 km (0.113 R)
• M4: 708,496 km (0.108 R)
• M5: 801,246 km (0.108 R)
• M6: 932,444 km (0.096 R)
• M7: 1,332,618 km (0.049 R)
• M8: 1,532,181 km (0.049 R)
• M9: 1,656,946 km (0.09 R)
• M10: 1,785,301 km (0.077 R)
• M11: 1,872,666 km (0.056 R)
• M12: 2,120,999 km (0.12 R)
• M13: 2,332,380 km (0.084 R)
• M14: 2,477,341 km (0.034 R)
• M15: 2,675,408 km (0.072 R)
• M16: 2,827,400 km (0.082 R)
• M17: 3,273,949 km (0.054 R)
• M18: 3,714,814 km (0.12 R)
• M19: 4,116,335 km (0.076 R)
• M20: 4,322,331 km (0.088 R)
• M21: 4,561,987 km (0.105 R)
• M22: 5,117,444 km (0.097 R)
• M23: 5,371,312 km (0.112 R)
• M24: 6,157,897 km (0.093 R)
• M25: 6,633,319 km (0.082 R)
• M26: 7,333,437 km (0.064 R)
• M27: 7,547,961 km (0.074 R)
• M28: 7,946,938 km (0.078 R)
• M29: 8,093,694 km (0.055 R)
• M30: 8,502,096 km (0.069 R)
• M31: 9,572,020 km (0.086 R)
• M32: 10,162,632 km (0.113 R)
• M33: 10,683,981 km (0.091 R)
• M34: 10,927,676 km (0.066 R)
• M35: 11,091,186 km (0.107 R)
• M36: 12,089,004 km (0.059 R)
• M37: 12,215,713 km (0.108 R)
• M38: 12,470,628 km (0.09 R)
• M39: 13,771,232 km (0.086 R)
• M40: 14,080,900 km (0.116 R)
• M41: 14,214,341 km (0.071 R)
• M42: 14,617,058 km (0.106 R)
• M43: 15,205,726 km (0.096 R)
• M44: 15,342,608 km (0.077 R)
• M45: 15,709,721 km (0.085 R)
• M46: 15,940,700 km (0.081 R)
• M47: 16,781,440 km (0.052 R)
• M48: 19,339,863 km (0.103 R)
• M49: 19,637,114 km (0.103 R)
• M50: 20,588,407 km (0.036 R)
• M51: 21,298,997 km (0.04 R)
• M52: 21,811,519 km (0.081 R)
• M53: 22,017,665 km (0.116 R)
• M54: 23,320,662 km (0.095 R)
• M55: 23,690,020 km (0.057 R)
• M56: 24,008,214 km (0.09 R)
• M57: 24,648,643 km (0.058 R)
• M58: 25,511,374 km (0.056 R)
• M59: 25,674,286 km (0.059 R)
• M60: 27,822,960 km (0.103 R)
• M61: 28,102,558 km (0.11 R)
• M62: 28,214,757 km (0.105 R)
• M63: 28,664,747 km (0.059 R)
• M64: 28,777,544 km (0.095 R)
• M65: 29,060,434 km (0.114 R)
• M66: 29,457,915 km (0.082 R)
• M67: 29,628,756 km (0.045 R)
• M68: 30,950,004 km (0.078 R)
• M69: 31,123,687 km (0.105 R)
• M70: 31,588,638 km (0.084 R)
• M71: 32,231,759 km (0.065 R)
• M72: 32,643,153 km (0.116 R)
• M73: 32,820,127 km (0.086 R)
• M74: 33,887,957 km (0.082 R)
• M75: 34,067,175 km (0.072 R)
• M76: 35,632,567 km (0.108 R)
• M77: 36,179,946 km (0.112 R)
• M78: 36,668,682 km (0.106 R)
• M79: 37,098,327 km (0.098 R)
• M80: 38,396,986 km (0.1 R)
• M81: 38,770,831 km (0.057 R)
• M82: 40,594,429 km (0.076 R)
• M83: 41,102,314 km (0.099 R)
• M84: 41,229,772 km (0.118 R)
• M85: 42,188,844 km (0.113 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 379 - 16,144 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit