🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.66 AU - 0.82 AU

Year: 225 Days

Day: 43.9 Hours

Environment

Temp: 196 °C

Axial Tilt: 35.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.76 AU - 0.8 AU

Year: 243 Days

Day: 28.6 Hours

Environment

Temp: 193 °C

Axial Tilt: 13.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.63 AU - 0.99 AU

Year: 257 Days

Day: 43.9 Hours

Environment

Temp: 121 °C

Axial Tilt: 10.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 73,247,002 km

• M1: 47,273 km (0.103 R)
• M2: 281,842 km (0.102 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.19 AU - 1.31 AU

Year: 493 Days

Day: 14.6 Hours

Environment

Temp: 19 °C

Axial Tilt: 32.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.2 AU - 1.78 AU

Year: 642 Days

Day: 35.1 Hours

Environment

Temp: -11 °C

Axial Tilt: 49.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 73,247,002 km

• M1: 90,656 km (0.103 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.95

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.78 AU - 2.02 AU

Year: 925 Days

Day: 19.4 Hours

Environment

Temp: -54 °C

Axial Tilt: 38.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.88 AU - 1.96 AU

Year: 939 Days

Day: 37.9 Hours

Environment

Temp: -60 °C

Axial Tilt: 33.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.51 AU - 3.45 AU

Year: 1816 Days

Day: 38.8 Hours

Environment

Temp: -87 °C

Axial Tilt: 41 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Gas Giant

Semi-Major Axis: 10.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.3

Radius: 9.8

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 7.82 AU - 12.22 AU

Year: 11200 Days

Day: 7.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 73,247,002 km

• M1: 213,177 km (0.105 R)
• M2: 284,685 km (0.089 R)
• M3: 346,618 km (0.036 R)
• M4: 582,235 km (0.062 R)
• M5: 835,953 km (0.09 R)
• M6: 1,196,783 km (0.11 R)
• M7: 1,346,680 km (0.042 R)
• M8: 1,463,217 km (0.064 R)
• M9: 1,685,968 km (0.051 R)
• M10: 2,209,860 km (0.086 R)
• M11: 2,278,824 km (0.096 R)
• M12: 2,513,992 km (0.11 R)
• M13: 2,586,098 km (0.059 R)
• M14: 2,806,755 km (0.063 R)
• M15: 2,906,836 km (0.109 R)
• M16: 3,613,237 km (0.117 R)
• M17: 3,860,223 km (0.075 R)
• M18: 4,458,017 km (0.102 R)
• M19: 4,902,921 km (0.051 R)
• M20: 4,993,577 km (0.084 R)
• M21: 5,084,832 km (0.118 R)
• M22: 6,752,997 km (0.059 R)
• M23: 7,229,018 km (0.102 R)
• M24: 7,645,648 km (0.044 R)
• M25: 8,868,311 km (0.119 R)
• M26: 9,502,158 km (0.049 R)
• M27: 9,920,134 km (0.1 R)
• M28: 10,892,371 km (0.095 R)
• M29: 11,130,231 km (0.062 R)
• M30: 11,329,795 km (0.104 R)
• M31: 11,490,313 km (0.12 R)
• M32: 12,884,865 km (0.038 R)
• M33: 13,052,414 km (0.057 R)
• M34: 13,178,525 km (0.05 R)
• M35: 13,432,094 km (0.062 R)
• M36: 14,288,841 km (0.077 R)
• M37: 14,767,554 km (0.102 R)
• M38: 14,942,883 km (0.069 R)
• M39: 15,295,784 km (0.074 R)
• M40: 16,099,723 km (0.103 R)
• M41: 17,239,210 km (0.112 R)
• M42: 17,655,690 km (0.12 R)
• M43: 17,935,289 km (0.087 R)
• M44: 18,545,947 km (0.116 R)
• M45: 18,830,183 km (0.079 R)
• M46: 19,163,487 km (0.119 R)
• M47: 19,450,865 km (0.056 R)
• M48: 19,643,098 km (0.11 R)
• M49: 20,078,129 km (0.104 R)
• M50: 21,105,716 km (0.093 R)
• M51: 22,100,093 km (0.094 R)
• M52: 22,200,324 km (0.119 R)
• M53: 22,350,969 km (0.076 R)
• M54: 24,237,548 km (0.106 R)
• M55: 24,340,920 km (0.1 R)
• M56: 25,069,162 km (0.101 R)
• M57: 25,173,731 km (0.073 R)
• M58: 25,909,902 km (0.108 R)
• M59: 26,015,668 km (0.104 R)
• M60: 27,296,076 km (0.09 R)
• M61: 27,943,835 km (0.084 R)
• M62: 28,433,170 km (0.079 R)
• M63: 28,651,433 km (0.108 R)
• M64: 29,420,067 km (0.101 R)
• M65: 29,751,426 km (0.098 R)
• M66: 30,641,384 km (0.027 R)
• M67: 31,370,973 km (0.089 R)
• M68: 32,106,246 km (0.101 R)
• M69: 32,675,616 km (0.071 R)
• M70: 34,229,788 km (0.105 R)
• M71: 34,811,574 km (0.1 R)
• M72: 36,280,027 km (0.115 R)
• M73: 37,648,847 km (0.116 R)
• M74: 37,768,675 km (0.052 R)
• M75: 37,948,791 km (0.072 R)
• M76: 38,731,936 km (0.06 R)
• M77: 39,398,843 km (0.08 R)
• M78: 39,764,161 km (0.089 R)
• M79: 40,437,052 km (0.085 R)
• M80: 41,051,900 km (0.1 R)
• M81: 41,175,168 km (0.092 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 431.7

Radius: 4.4

Gravity: 22.3 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 12.77 AU - 20.35 AU

Year: 23795 Days

Day: 15.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 73,247,002 km

• M1: 163,211 km (0.119 R)
• M2: 435,031 km (0.087 R)
• M3: 533,915 km (0.092 R)
• M4: 575,653 km (0.068 R)
• M5: 1,024,596 km (0.108 R)
• M6: 1,184,666 km (0.085 R)
• M7: 1,352,514 km (0.105 R)
• M8: 1,998,029 km (0.072 R)
• M9: 2,798,079 km (0.079 R)
• M10: 2,946,480 km (0.111 R)
• M11: 3,059,276 km (0.096 R)
• M12: 3,097,274 km (0.099 R)
• M13: 3,135,422 km (0.101 R)
• M14: 3,212,016 km (0.087 R)
• M15: 3,644,952 km (0.087 R)
• M16: 4,137,877 km (0.045 R)
• M17: 4,392,193 km (0.074 R)
• M18: 4,607,914 km (0.12 R)
• M19: 4,782,943 km (0.108 R)
• M20: 5,004,946 km (0.07 R)
• M21: 5,412,900 km (0.117 R)
• M22: 6,068,587 km (0.089 R)
• M23: 6,260,521 km (0.094 R)
• M24: 6,357,311 km (0.081 R)
• M25: 7,199,248 km (0.054 R)
• M26: 9,039,601 km (0.098 R)
• M27: 9,094,204 km (0.108 R)
• M28: 9,258,762 km (0.085 R)
• M29: 10,152,609 km (0.099 R)
• M30: 11,308,253 km (0.098 R)
• M31: 12,687,695 km (0.12 R)
• M32: 13,241,955 km (0.106 R)
• M33: 13,366,121 km (0.07 R)
• M34: 13,428,354 km (0.05 R)
• M35: 14,565,297 km (0.062 R)
• M36: 15,996,201 km (0.102 R)
• M37: 16,929,841 km (0.075 R)
• M38: 16,997,160 km (0.101 R)
• M39: 18,294,024 km (0.071 R)
• M40: 18,501,666 km (0.104 R)
• M41: 18,849,481 km (0.086 R)
• M42: 19,763,973 km (0.117 R)
• M43: 21,928,654 km (0.069 R)
• M44: 22,075,559 km (0.066 R)
• M45: 22,815,321 km (0.074 R)
• M46: 23,338,016 km (0.092 R)
• M47: 23,789,053 km (0.109 R)
• M48: 24,547,365 km (0.071 R)
• M49: 24,852,844 km (0.092 R)
• M50: 25,006,182 km (0.097 R)
• M51: 25,390,648 km (0.11 R)
• M52: 25,932,043 km (0.087 R)
• M53: 26,633,956 km (0.069 R)
• M54: 28,535,794 km (0.103 R)
• M55: 30,235,525 km (0.103 R)
• M56: 30,562,845 km (0.099 R)
• M57: 31,138,797 km (0.077 R)
• M58: 31,221,375 km (0.104 R)
• M59: 32,134,371 km (0.081 R)
• M60: 33,056,043 km (0.03 R)
• M61: 33,224,490 km (0.095 R)
• M62: 33,308,863 km (0.054 R)
• M63: 33,477,909 km (0.093 R)
• M64: 34,156,485 km (0.027 R)
• M65: 35,097,007 km (0.105 R)
• M66: 35,268,895 km (0.075 R)
• M67: 36,393,123 km (0.093 R)
• M68: 36,567,255 km (0.076 R)
• M69: 37,616,983 km (0.071 R)
• M70: 38,322,487 km (0.028 R)
• M71: 38,499,461 km (0.082 R)
• M72: 38,854,307 km (0.082 R)
• M73: 40,104,945 km (0.103 R)
• M74: 42,279,350 km (0.08 R)
• M75: 43,750,047 km (0.066 R)
• M76: 46,741,406 km (0.076 R)
• M77: 49,701,499 km (0.064 R)
• M78: 50,281,490 km (0.083 R)
• M79: 50,378,280 km (0.055 R)
• M80: 50,572,159 km (0.109 R)
• M81: 50,669,248 km (0.103 R)
• M82: 52,328,737 km (0.103 R)
• M83: 56,504,163 km (0.098 R)
• M84: 57,109,286 km (0.055 R)
• M85: 57,716,654 km (0.069 R)
• M86: 58,529,718 km (0.115 R)
• M87: 61,923,495 km (0.117 R)
• M88: 63,173,386 km (0.084 R)
• M89: 66,121,810 km (0.087 R)
• M90: 66,653,032 km (0.114 R)
• M91: 69,978,144 km (0.109 R)
• M92: 70,086,303 km (0.086 R)
• M93: 70,302,771 km (0.106 R)
• M94: 70,736,456 km (0.039 R)

Kuiper Belt

Range: 31.1 - 54.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 469 - 11,986 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit