🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.64

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.8 AU - 1.2 AU

Year: 379 Days

Day: 14 Hours

Environment

Temp: 26 °C

Axial Tilt: 13.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.83 AU - 2.85 AU

Year: 1356 Days

Day: 26.5 Hours

Environment

Temp: -101 °C

Axial Tilt: 4.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,097,810 km

• M1: 173,683 km (0.117 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 3.21 AU - 4.23 AU

Year: 2717 Days

Day: 47 Hours

Environment

Temp: -134 °C

Axial Tilt: 35.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,097,810 km

• M1: 20,794 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.6

Radius: 10.8

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 7.56 AU - 10.42 AU

Year: 10209 Days

Day: 14.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,097,810 km

• M1: 134,339 km (0.049 R)
• M2: 924,365 km (0.108 R)
• M3: 1,334,712 km (0.109 R)
• M4: 2,647,882 km (0.075 R)
• M5: 3,000,036 km (0.113 R)
• M6: 3,541,430 km (0.106 R)
• M7: 6,181,683 km (0.065 R)
• M8: 7,209,271 km (0.089 R)
• M9: 8,851,407 km (0.114 R)
• M10: 14,830,235 km (0.099 R)
• M11: 15,886,845 km (0.056 R)
• M12: 17,395,540 km (0.105 R)
• M13: 18,080,399 km (0.078 R)
• M14: 22,014,374 km (0.086 R)
• M15: 25,862,480 km (0.044 R)
• M16: 28,506,323 km (0.118 R)
• M17: 30,925,919 km (0.085 R)
• M18: 31,728,212 km (0.113 R)
• M19: 32,134,670 km (0.101 R)
• M20: 32,854,086 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 458

Radius: 5.4

Gravity: 15.71 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 11.88 AU - 12.56 AU

Year: 16179 Days

Day: 21.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 68,097,810 km

• M1: 67,169 km (0.106 R)
• M2: 258,056 km (0.097 R)
• M3: 542,741 km (0.099 R)
• M4: 1,177,784 km (0.113 R)
• M5: 2,670,322 km (0.118 R)
• M6: 3,183,443 km (0.11 R)
• M7: 4,043,780 km (0.025 R)
• M8: 4,220,904 km (0.083 R)
• M9: 4,590,859 km (0.117 R)
• M10: 5,015,717 km (0.099 R)
• M11: 5,466,306 km (0.106 R)
• M12: 6,134,261 km (0.073 R)
• M13: 6,368,681 km (0.081 R)
• M14: 6,731,306 km (0.072 R)
• M15: 6,980,685 km (0.098 R)
• M16: 7,948,135 km (0.094 R)
• M17: 8,133,187 km (0.1 R)
• M18: 10,808,596 km (0.116 R)
• M19: 11,382,902 km (0.109 R)
• M20: 12,654,783 km (0.075 R)
• M21: 18,209,053 km (0.105 R)
• M22: 18,938,941 km (0.071 R)
• M23: 19,604,053 km (0.091 R)
• M24: 19,857,322 km (0.11 R)
• M25: 21,692,439 km (0.063 R)
• M26: 26,101,238 km (0.097 R)
• M27: 31,186,519 km (0.09 R)
• M28: 33,416,873 km (0.087 R)
• M29: 34,387,015 km (0.11 R)
• M30: 37,799,642 km (0.116 R)
• M31: 39,520,616 km (0.117 R)
• M32: 41,431,429 km (0.113 R)
• M33: 42,269,028 km (0.088 R)
• M34: 44,703,135 km (0.093 R)
• M35: 52,889,130 km (0.112 R)
• M36: 53,544,668 km (0.057 R)
• M37: 57,419,104 km (0.088 R)
• M38: 57,764,675 km (0.043 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 493.7

Radius: 3.8

Gravity: 34.19 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 10.99 AU - 17.11 AU

Year: 19946 Days

Day: 23.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 68,097,810 km

• M1: 54,753 km (0.034 R)
• M2: 272,418 km (0.099 R)
• M3: 437,574 km (0.047 R)
• M4: 583,581 km (0.092 R)
• M5: 843,283 km (0.12 R)
• M6: 1,023,698 km (0.083 R)
• M7: 1,175,690 km (0.117 R)
• M8: 1,447,060 km (0.053 R)
• M9: 1,606,083 km (0.067 R)
• M10: 2,074,623 km (0.119 R)
• M11: 2,515,039 km (0.068 R)
• M12: 3,091,739 km (0.096 R)
• M13: 5,089,020 km (0.092 R)
• M14: 5,687,412 km (0.111 R)
• M15: 7,340,319 km (0.112 R)
• M16: 9,074,158 km (0.069 R)
• M17: 9,234,527 km (0.059 R)
• M18: 15,191,514 km (0.096 R)
• M19: 16,265,627 km (0.1 R)
• M20: 18,307,638 km (0.082 R)
• M21: 19,522,672 km (0.077 R)
• M22: 22,695,343 km (0.057 R)
• M23: 25,979,765 km (0.112 R)
• M24: 28,641,410 km (0.09 R)
• M25: 29,919,873 km (0.097 R)
• M26: 31,969,663 km (0.118 R)
• M27: 34,889,066 km (0.096 R)
• M28: 38,258,758 km (0.063 R)
• M29: 39,665,127 km (0.083 R)
• M30: 43,331,173 km (0.117 R)
• M31: 44,243,570 km (0.049 R)
• M32: 45,323,966 km (0.108 R)
• M33: 49,161,600 km (0.104 R)
• M34: 52,178,092 km (0.057 R)
• M35: 53,906,097 km (0.054 R)
• M36: 57,475,652 km (0.081 R)
• M37: 60,253,983 km (0.089 R)
• M38: 60,442,327 km (0.087 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: 464 - 14,380 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit