🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.75 AU - 0.81 AU

Year: 244 Days

Day: 29.6 Hours

Environment

Temp: 184 °C

Axial Tilt: 5.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 27,961,320 km

• M1: 198,217 km (0.076 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.2 AU - 1.68 AU

Year: 613 Days

Day: 28.7 Hours

Environment

Temp: 1 °C

Axial Tilt: 3.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.91 AU - 2.07 AU

Year: 996 Days

Day: 36.7 Hours

Environment

Temp: -49 °C

Axial Tilt: 108.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.26 AU - 2.42 AU

Year: 1270 Days

Day: 47.4 Hours

Environment

Temp: -74 °C

Axial Tilt: 48 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.25 AU - 3.25 AU

Year: 1618 Days

Day: 47.6 Hours

Environment

Temp: -88 °C

Axial Tilt: 33 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 3.14 AU - 4.74 AU

Year: 2774 Days

Day: 15.7 Hours

Environment

Temp: -117 °C

Axial Tilt: 18.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.12 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.1

Radius: 10.1

Gravity: 8.64 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 6.21 AU - 6.37 AU

Year: 5596 Days

Day: 6.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 27,961,320 km

• M1: 146,307 km (0.098 R)
• M2: 217,964 km (0.052 R)
• M3: 299,794 km (0.031 R)
• M4: 696,677 km (0.095 R)
• M5: 923,767 km (0.119 R)
• M6: 1,110,016 km (0.072 R)
• M7: 1,519,316 km (0.072 R)
• M8: 1,684,622 km (0.112 R)
• M9: 2,299,170 km (0.104 R)
• M10: 2,576,375 km (0.062 R)
• M11: 2,864,500 km (0.059 R)
• M12: 3,666,793 km (0.051 R)
• M13: 3,765,678 km (0.061 R)
• M14: 3,840,327 km (0.078 R)
• M15: 4,829,318 km (0.035 R)
• M16: 4,910,550 km (0.088 R)
• M17: 5,102,185 km (0.087 R)
• M18: 5,549,333 km (0.105 R)
• M19: 5,777,769 km (0.112 R)
• M20: 6,126,033 km (0.086 R)
• M21: 6,362,098 km (0.08 R)
• M22: 6,996,094 km (0.106 R)
• M23: 7,150,030 km (0.062 R)
• M24: 7,273,897 km (0.077 R)
• M25: 7,555,440 km (0.104 R)
• M26: 7,681,701 km (0.036 R)
• M27: 7,904,452 km (0.089 R)
• M28: 8,097,134 km (0.119 R)
• M29: 8,226,387 km (0.087 R)
• M30: 8,486,986 km (0.047 R)
• M31: 9,251,282 km (0.053 R)
• M32: 9,488,395 km (0.055 R)
• M33: 9,556,462 km (0.07 R)
• M34: 9,624,678 km (0.096 R)
• M35: 9,727,302 km (0.12 R)
• M36: 9,795,968 km (0.066 R)
• M37: 9,864,932 km (0.028 R)
• M38: 10,176,545 km (0.09 R)
• M39: 10,526,753 km (0.092 R)
• M40: 11,203,085 km (0.078 R)
• M41: 13,621,185 km (0.108 R)
• M42: 13,775,122 km (0.081 R)
• M43: 14,084,789 km (0.093 R)
• M44: 14,201,475 km (0.086 R)
• M45: 14,318,461 km (0.096 R)
• M46: 14,396,701 km (0.045 R)
• M47: 14,908,475 km (0.08 R)
• M48: 15,306,256 km (0.091 R)
• M49: 16,193,521 km (0.101 R)
• M50: 16,849,358 km (0.09 R)
• M51: 17,222,006 km (0.045 R)
• M52: 17,388,509 km (0.088 R)
• M53: 17,513,722 km (0.096 R)
• M54: 18,059,904 km (0.062 R)
• M55: 18,526,500 km (0.09 R)
• M56: 19,298,574 km (0.1 R)
• M57: 19,558,126 km (0.11 R)
• M58: 20,344,114 km (0.081 R)
• M59: 20,432,077 km (0.073 R)
• M60: 21,408,203 km (0.111 R)
• M61: 21,542,393 km (0.084 R)
• M62: 21,766,939 km (0.05 R)
• M63: 23,728,765 km (0.114 R)
• M64: 24,006,868 km (0.066 R)
• M65: 24,146,443 km (0.112 R)
• M66: 24,942,154 km (0.093 R)
• M67: 25,083,524 km (0.117 R)
• M68: 25,746,542 km (0.099 R)
• M69: 25,889,258 km (0.071 R)
• M70: 26,367,223 km (0.086 R)
• M71: 27,331,980 km (0.113 R)
• M72: 27,429,069 km (0.098 R)
• M73: 27,672,315 km (0.092 R)
• M74: 28,112,133 km (0.107 R)
• M75: 28,455,609 km (0.08 R)
• M76: 29,097,384 km (0.098 R)
• M77: 29,345,567 km (0.093 R)
• M78: 31,406,577 km (0.096 R)
• M79: 31,763,069 km (0.027 R)
• M80: 33,098,978 km (0.07 R)
• M81: 33,617,783 km (0.1 R)
• M82: 33,878,083 km (0.066 R)
• M83: 34,086,922 km (0.026 R)
• M84: 35,348,481 km (0.084 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.8

Radius: 10.2

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 5.14 AU - 8.06 AU

Year: 6015 Days

Day: 8.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 27,961,320 km

• M1: 131,497 km (0.064 R)
• M2: 257,308 km (0.069 R)
• M3: 375,042 km (0.071 R)
• M4: 447,447 km (0.117 R)
• M5: 631,303 km (0.104 R)
• M6: 733,179 km (0.103 R)
• M7: 865,872 km (0.111 R)
• M8: 941,868 km (0.055 R)
• M9: 1,327,532 km (0.077 R)
• M10: 1,522,906 km (0.081 R)
• M11: 1,727,706 km (0.116 R)
• M12: 1,891,515 km (0.056 R)
• M13: 1,975,440 km (0.117 R)
• M14: 2,147,178 km (0.081 R)
• M15: 2,432,013 km (0.112 R)
• M16: 2,542,117 km (0.057 R)
• M17: 3,440,452 km (0.05 R)
• M18: 3,543,674 km (0.113 R)
• M19: 3,816,990 km (0.097 R)
• M20: 3,923,952 km (0.088 R)
• M21: 4,075,345 km (0.094 R)
• M22: 4,250,823 km (0.075 R)
• M23: 4,339,535 km (0.086 R)
• M24: 4,792,368 km (0.07 R)
• M25: 5,071,218 km (0.109 R)
• M26: 5,427,411 km (0.114 R)
• M27: 5,572,221 km (0.083 R)
• M28: 5,645,076 km (0.103 R)
• M29: 5,718,229 km (0.111 R)
• M30: 5,816,365 km (0.119 R)
• M31: 6,827,946 km (0.09 R)
• M32: 7,142,102 km (0.069 R)
• M33: 7,354,082 km (0.107 R)
• M34: 7,595,233 km (0.06 R)
• M35: 8,030,115 km (0.115 R)
• M36: 8,112,693 km (0.095 R)
• M37: 8,278,447 km (0.054 R)
• M38: 8,839,140 km (0.063 R)
• M39: 9,181,569 km (0.112 R)
• M40: 9,354,355 km (0.047 R)
• M41: 9,732,538 km (0.083 R)
• M42: 10,715,097 km (0.029 R)
• M43: 10,866,640 km (0.089 R)
• M44: 11,110,783 km (0.096 R)
• M45: 11,666,540 km (0.069 R)
• M46: 12,837,442 km (0.103 R)
• M47: 13,355,350 km (0.112 R)
• M48: 14,244,709 km (0.057 R)
• M49: 14,311,280 km (0.109 R)
• M50: 15,289,351 km (0.117 R)
• M51: 15,666,039 km (0.08 R)
• M52: 18,205,911 km (0.051 R)
• M53: 18,568,686 km (0.083 R)
• M54: 18,677,893 km (0.11 R)
• M55: 19,043,809 km (0.106 R)
• M56: 19,523,121 km (0.095 R)
• M57: 19,634,272 km (0.118 R)
• M58: 19,745,573 km (0.073 R)
• M59: 20,305,517 km (0.111 R)
• M60: 21,212,380 km (0.042 R)
• M61: 21,326,672 km (0.092 R)
• M62: 21,670,748 km (0.116 R)
• M63: 21,824,235 km (0.118 R)
• M64: 22,016,618 km (0.118 R)
• M65: 22,093,810 km (0.085 R)
• M66: 22,480,820 km (0.109 R)
• M67: 22,597,357 km (0.119 R)
• M68: 23,379,305 km (0.117 R)
• M69: 23,536,682 km (0.103 R)
• M70: 23,931,919 km (0.112 R)
• M71: 24,809,161 km (0.117 R)
• M72: 24,969,829 km (0.08 R)
• M73: 25,494,170 km (0.116 R)
• M74: 25,737,416 km (0.061 R)
• M75: 25,900,029 km (0.075 R)
• M76: 26,226,302 km (0.037 R)
• M77: 27,711,210 km (0.051 R)
• M78: 27,794,536 km (0.089 R)

Kuiper Belt

Range: 30.9 - 55.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 176 - 13,399 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit