🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668

Radius: 14.6

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.55 AU - 0.63 AU

Year: 302 Days

Day: 8.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 82,629,686 km

• M1: 181,612 km (0.087 R)
• M2: 647,460 km (0.11 R)
• M3: 1,152,951 km (0.12 R)
• M4: 1,720,675 km (0.106 R)
• M5: 2,259,825 km (0.089 R)
• M6: 2,979,840 km (0.109 R)
• M7: 3,920,212 km (0.096 R)

Asteroid Belt

Center: 1.04 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.2

Radius: 14.3

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.28 AU - 1.7 AU

Year: 1213 Days

Day: 5.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 82,629,686 km

• M1: 178,171 km (0.074 R)
• M2: 1,112,709 km (0.106 R)
• M3: 1,568,534 km (0.094 R)
• M4: 2,688,872 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.8

Radius: 8.6

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.84 AU - 2.08 AU

Year: 1830 Days

Day: 5.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,629,686 km

• M1: 108,159 km (0.087 R)
• M2: 403,316 km (0.113 R)
• M3: 799,900 km (0.051 R)
• M4: 1,107,473 km (0.085 R)
• M5: 1,777,073 km (0.118 R)
• M6: 2,142,541 km (0.081 R)
• M7: 2,707,721 km (0.086 R)
• M8: 3,450,475 km (0.057 R)
• M9: 4,004,735 km (0.119 R)
• M10: 4,697,972 km (0.103 R)
• M11: 5,094,855 km (0.058 R)
• M12: 5,837,459 km (0.098 R)
• M13: 7,342,114 km (0.067 R)
• M14: 7,648,939 km (0.031 R)
• M15: 8,110,598 km (0.086 R)
• M16: 8,900,325 km (0.043 R)
• M17: 10,179,686 km (0.098 R)
• M18: 11,170,922 km (0.116 R)
• M19: 11,465,630 km (0.076 R)
• M20: 11,955,563 km (0.085 R)
• M21: 12,420,214 km (0.102 R)
• M22: 12,977,316 km (0.12 R)
• M23: 13,509,585 km (0.12 R)
• M24: 14,356,758 km (0.1 R)
• M25: 14,661,489 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.4

Radius: 13.4

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.65 AU - 2.49 AU

Year: 1986 Days

Day: 5 Hours

Environment

Temp: -203 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,629,686 km

• M1: 166,951 km (0.081 R)
• M2: 604,525 km (0.095 R)
• M3: 1,142,928 km (0.084 R)
• M4: 1,730,548 km (0.105 R)
• M5: 2,357,662 km (0.093 R)
• M6: 3,086,054 km (0.108 R)
• M7: 3,529,762 km (0.097 R)
• M8: 4,035,253 km (0.07 R)
• M9: 6,482,973 km (0.088 R)
• M10: 6,966,623 km (0.026 R)
• M11: 9,280,753 km (0.085 R)
• M12: 11,555,987 km (0.048 R)
• M13: 12,391,042 km (0.041 R)
• M14: 13,308,526 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.7

Radius: 9.2

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.58 AU - 4.24 AU

Year: 4199 Days

Day: 9.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,629,686 km

• M1: 125,213 km (0.085 R)
• M2: 439,967 km (0.115 R)
• M3: 745,147 km (0.086 R)
• M4: 1,071,270 km (0.055 R)
• M5: 1,869,225 km (0.066 R)
• M6: 2,894,120 km (0.082 R)
• M7: 4,026,726 km (0.111 R)
• M8: 6,002,914 km (0.075 R)
• M9: 6,736,243 km (0.096 R)
• M10: 7,528,064 km (0.104 R)
• M11: 8,182,555 km (0.111 R)
• M12: 9,083,732 km (0.043 R)
• M13: 10,540,666 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 245.4

Radius: 4

Gravity: 15.34 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.74 AU - 8.1 AU

Year: 12139 Days

Day: 17.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 82,629,686 km

• M1: 61,335 km (0.098 R)
• M2: 226,790 km (0.118 R)
• M3: 378,183 km (0.089 R)
• M4: 526,585 km (0.034 R)
• M5: 1,063,342 km (0.096 R)
• M6: 1,638,545 km (0.032 R)
• M7: 1,766,152 km (0.085 R)
• M8: 2,057,569 km (0.109 R)
• M9: 3,168,932 km (0.112 R)
• M10: 3,939,810 km (0.044 R)
• M11: 5,427,261 km (0.041 R)
• M12: 6,807,900 km (0.038 R)
• M13: 15,287,107 km (0.075 R)
• M14: 20,383,458 km (0.12 R)
• M15: 24,830,703 km (0.07 R)
• M16: 28,917,867 km (0.085 R)
• M17: 32,908,091 km (0.087 R)
• M18: 34,709,548 km (0.087 R)
• M19: 35,799,518 km (0.098 R)
• M20: 38,162,118 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 649.6

Radius: 7.8

Gravity: 10.68 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 8.19 AU - 13.15 AU

Year: 23242 Days

Day: 25 Hours

Environment

Temp: -232 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 82,629,686 km

• M1: 97,239 km (0.081 R)
• M2: 502,499 km (0.111 R)
• M3: 1,088,175 km (0.106 R)
• M4: 1,581,399 km (0.093 R)
• M5: 4,380,076 km (0.038 R)
• M6: 4,917,880 km (0.078 R)
• M7: 5,785,249 km (0.101 R)
• M8: 6,168,070 km (0.084 R)
• M9: 6,704,827 km (0.058 R)
• M10: 8,611,153 km (0.066 R)
• M11: 9,054,411 km (0.101 R)
• M12: 10,046,694 km (0.087 R)
• M13: 11,109,587 km (0.083 R)
• M14: 11,768,864 km (0.072 R)
• M15: 12,877,534 km (0.065 R)
• M16: 13,828,378 km (0.076 R)
• M17: 17,394,642 km (0.093 R)
• M18: 18,922,635 km (0.092 R)
• M19: 20,053,744 km (0.1 R)
• M20: 29,016,601 km (0.029 R)
• M21: 30,391,555 km (0.057 R)
• M22: 32,734,258 km (0.103 R)
• M23: 34,361,285 km (0.087 R)
• M24: 35,194,844 km (0.105 R)
• M25: 35,475,489 km (0.057 R)
• M26: 38,514,720 km (0.071 R)
• M27: 41,880,074 km (0.102 R)
• M28: 43,958,287 km (0.105 R)
• M29: 50,603,724 km (0.074 R)
• M30: 57,693,616 km (0.057 R)
• M31: 60,464,168 km (0.119 R)
• M32: 71,530,970 km (0.078 R)
• M33: 77,538,521 km (0.13 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 310 - 13,666 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit