🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.62 AU - 0.7 AU

Year: 200 Days

Day: 26.2 Hours

Environment

Temp: 196 °C

Axial Tilt: 21.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 62,480,684 km

• M1: 316,100 km (0.091 R)
• M2: 607,667 km (0.107 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.58 AU - 0.78 AU

Year: 209 Days

Day: 18 Hours

Environment

Temp: 111 °C

Axial Tilt: 2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.03 AU - 1.33 AU

Year: 478 Days

Day: 21.7 Hours

Environment

Temp: 9 °C

Axial Tilt: 27.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.41 AU - 1.89 AU

Year: 790 Days

Day: 45.7 Hours

Environment

Temp: -47 °C

Axial Tilt: 45.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 62,480,684 km

• M1: 424,708 km (0.056 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.35 AU - 2.11 AU

Year: 848 Days

Day: 15.4 Hours

Environment

Temp: -57 °C

Axial Tilt: 20.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.98 AU - 3.96 AU

Year: 2410 Days

Day: 32.7 Hours

Environment

Temp: -109 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 62,480,684 km

• M1: 2,975,801 km (0.083 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.78 AU - 3.86 AU

Year: 2783 Days

Day: 19.1 Hours

Environment

Temp: -131 °C

Axial Tilt: 24.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 62,480,684 km

• M1: 573,708 km (0.078 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.9

Radius: 11.5

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 6.49 AU - 10.61 AU

Year: 9320 Days

Day: 9.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 62,480,684 km

• M1: 157,078 km (0.04 R)
• M2: 760,705 km (0.079 R)
• M3: 1,034,320 km (0.089 R)
• M4: 1,197,830 km (0.094 R)
• M5: 1,308,383 km (0.103 R)
• M6: 1,540,409 km (0.06 R)
• M7: 1,706,463 km (0.079 R)
• M8: 1,797,568 km (0.056 R)
• M9: 2,756,939 km (0.078 R)
• M10: 2,973,856 km (0.104 R)
• M11: 3,381,660 km (0.083 R)
• M12: 3,555,642 km (0.112 R)
• M13: 4,064,724 km (0.099 R)
• M14: 4,501,400 km (0.083 R)
• M15: 4,677,177 km (0.117 R)
• M16: 6,092,672 km (0.1 R)
• M17: 6,180,935 km (0.055 R)
• M18: 7,956,363 km (0.075 R)
• M19: 8,169,390 km (0.091 R)
• M20: 8,403,960 km (0.106 R)
• M21: 8,502,395 km (0.086 R)
• M22: 8,779,899 km (0.067 R)
• M23: 8,979,911 km (0.064 R)
• M24: 9,303,192 km (0.069 R)
• M25: 10,211,999 km (0.075 R)
• M26: 10,762,220 km (0.084 R)
• M27: 10,912,117 km (0.114 R)
• M28: 11,019,529 km (0.091 R)
• M29: 13,378,986 km (0.116 R)
• M30: 14,074,317 km (0.095 R)
• M31: 14,167,966 km (0.107 R)
• M32: 15,403,644 km (0.051 R)
• M33: 15,863,657 km (0.074 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.2

Radius: 14.9

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 8.97 AU - 11.89 AU

Year: 12557 Days

Day: 10.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 62,480,684 km

• M1: 257,159 km (0.091 R)
• M2: 721,511 km (0.089 R)
• M3: 1,170,304 km (0.115 R)
• M4: 1,339,051 km (0.079 R)
• M5: 1,895,405 km (0.063 R)
• M6: 2,009,399 km (0.076 R)
• M7: 2,396,259 km (0.114 R)
• M8: 2,742,578 km (0.074 R)
• M9: 3,275,296 km (0.083 R)
• M10: 3,413,674 km (0.116 R)
• M11: 3,696,264 km (0.093 R)
• M12: 3,876,978 km (0.088 R)
• M13: 4,551,814 km (0.107 R)
• M14: 4,667,902 km (0.114 R)
• M15: 5,632,210 km (0.037 R)
• M16: 5,799,012 km (0.111 R)
• M17: 5,925,123 km (0.119 R)
• M18: 6,878,211 km (0.107 R)
• M19: 7,327,304 km (0.071 R)
• M20: 7,647,443 km (0.051 R)
• M21: 8,206,939 km (0.115 R)
• M22: 8,635,387 km (0.085 R)
• M23: 10,166,671 km (0.039 R)
• M24: 10,833,579 km (0.087 R)
• M25: 11,303,765 km (0.107 R)
• M26: 12,754,116 km (0.068 R)
• M27: 13,139,630 km (0.097 R)
• M28: 13,865,927 km (0.067 R)
• M29: 14,262,511 km (0.094 R)
• M30: 15,182,987 km (0.102 R)
• M31: 15,709,123 km (0.091 R)
• M32: 15,944,889 km (0.057 R)
• M33: 16,181,852 km (0.068 R)
• M34: 17,262,846 km (0.067 R)
• M35: 17,567,278 km (0.043 R)
• M36: 19,115,915 km (0.09 R)
• M37: 20,321,973 km (0.105 R)
• M38: 20,966,590 km (0.102 R)
• M39: 22,674,250 km (0.093 R)
• M40: 23,882,402 km (0.061 R)
• M41: 27,205,420 km (0.117 R)
• M42: 27,773,293 km (0.108 R)
• M43: 28,273,399 km (0.114 R)
• M44: 29,065,221 km (0.026 R)
• M45: 29,210,031 km (0.085 R)
• M46: 30,229,990 km (0.049 R)
• M47: 30,376,745 km (0.07 R)
• M48: 30,523,650 km (0.116 R)
• M49: 30,670,855 km (0.075 R)
• M50: 30,891,960 km (0.092 R)
• M51: 31,039,763 km (0.076 R)
• M52: 31,707,568 km (0.059 R)
• M53: 31,856,567 km (0.098 R)
• M54: 32,005,866 km (0.114 R)
• M55: 32,230,113 km (0.11 R)
• M56: 33,132,787 km (0.045 R)
• M57: 34,272,723 km (0.114 R)
• M58: 36,123,398 km (0.061 R)
• M59: 36,513,100 km (0.1 R)
• M60: 37,139,467 km (0.081 R)
• M61: 38,244,097 km (0.095 R)
• M62: 38,641,130 km (0.1 R)
• M63: 40,971,416 km (0.091 R)
• M64: 41,377,873 km (0.098 R)
• M65: 41,867,208 km (0.065 R)
• M66: 42,440,617 km (0.085 R)
• M67: 44,093,224 km (0.106 R)
• M68: 45,430,480 km (0.093 R)
• M69: 45,766,925 km (0.115 R)
• M70: 46,865,871 km (0.033 R)
• M71: 47,120,786 km (0.087 R)
• M72: 48,059,214 km (0.067 R)
• M73: 49,348,747 km (0.076 R)
• M74: 50,214,769 km (0.089 R)
• M75: 50,562,734 km (0.102 R)
• M76: 51,085,878 km (0.107 R)
• M77: 51,610,966 km (0.078 R)
• M78: 52,843,054 km (0.106 R)
• M79: 53,373,977 km (0.086 R)
• M80: 53,728,973 km (0.077 R)
• M81: 54,619,978 km (0.066 R)
• M82: 57,958,553 km (0.109 R)
• M83: 61,269,902 km (0.112 R)
• M84: 61,455,703 km (0.079 R)
• M85: 61,734,703 km (0.033 R)
• M86: 62,480,747 km (0.072 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: 500 - 13,029 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit