🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.06

Radius: 1.02

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.52 AU - 0.7 AU

Year: 303 Days

Day: 14 Hours

Environment

Temp: -131 °C

Axial Tilt: 29.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,129,155 km

• M1: 204,949 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.4

Radius: 12.7

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.62 AU - 0.84 AU

Year: 397 Days

Day: 8.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,129,155 km

• M1: 158,275 km (0.101 R)
• M2: 568,023 km (0.099 R)
• M3: 1,212,042 km (0.053 R)
• M4: 2,098,559 km (0.106 R)
• M5: 3,037,286 km (0.074 R)
• M6: 3,646,598 km (0.1 R)
• M7: 4,088,211 km (0.098 R)
• M8: 5,017,513 km (0.05 R)
• M9: 5,433,395 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.5

Radius: 9.3

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.16 AU - 1.28 AU

Year: 857 Days

Day: 5 Hours

Environment

Temp: -176 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,129,155 km

• M1: 115,639 km (0.087 R)
• M2: 432,637 km (0.112 R)
• M3: 825,930 km (0.084 R)
• M4: 1,133,353 km (0.07 R)
• M5: 1,717,384 km (0.065 R)
• M6: 2,315,177 km (0.106 R)
• M7: 2,698,446 km (0.116 R)
• M8: 3,045,813 km (0.028 R)
• M9: 3,564,917 km (0.08 R)
• M10: 4,222,549 km (0.047 R)
• M11: 4,589,064 km (0.049 R)
• M12: 5,197,479 km (0.108 R)
• M13: 5,501,910 km (0.061 R)
• M14: 9,130,108 km (0.059 R)
• M15: 9,434,240 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.7

Radius: 9.3

Gravity: 8.18 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.98 AU - 2.02 AU

Year: 1798 Days

Day: 13.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,129,155 km

• M1: 115,639 km (0.055 R)
• M2: 417,228 km (0.117 R)
• M3: 728,542 km (0.073 R)
• M4: 1,291,927 km (0.119 R)
• M5: 2,065,647 km (0.116 R)
• M6: 3,120,761 km (0.047 R)
• M7: 3,475,308 km (0.064 R)
• M8: 4,481,055 km (0.119 R)
• M9: 5,461,968 km (0.073 R)
• M10: 6,579,913 km (0.091 R)
• M11: 7,471,366 km (0.089 R)
• M12: 8,168,642 km (0.057 R)
• M13: 9,625,725 km (0.088 R)
• M14: 11,137,711 km (0.047 R)
• M15: 14,057,263 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.8

Radius: 8.2

Gravity: 14.36 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.52 AU - 2.5 AU

Year: 1812 Days

Day: 13.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 33,129,155 km

• M1: 102,026 km (0.083 R)
• M2: 366,066 km (0.067 R)
• M3: 673,190 km (0.086 R)
• M4: 1,713,494 km (0.072 R)
• M5: 2,127,132 km (0.114 R)
• M6: 2,466,121 km (0.026 R)
• M7: 3,122,556 km (0.107 R)
• M8: 3,405,596 km (0.073 R)
• M9: 3,815,793 km (0.095 R)
• M10: 4,298,844 km (0.116 R)
• M11: 5,042,944 km (0.079 R)
• M12: 5,363,532 km (0.103 R)
• M13: 5,722,119 km (0.108 R)
• M14: 9,569,477 km (0.112 R)
• M15: 10,497,731 km (0.09 R)
• M16: 11,174,662 km (0.069 R)
• M17: 12,490,824 km (0.074 R)
• M18: 13,250,931 km (0.105 R)
• M19: 15,096,669 km (0.085 R)
• M20: 15,428,178 km (0.087 R)
• M21: 16,352,394 km (0.118 R)
• M22: 16,651,739 km (0.111 R)
• M23: 17,158,876 km (0.041 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.3

Radius: 11.8

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.53 AU - 3.23 AU

Year: 3108 Days

Day: 8.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,129,155 km

• M1: 162,014 km (0.109 R)
• M2: 564,433 km (0.064 R)
• M3: 936,183 km (0.034 R)
• M4: 1,922,333 km (0.082 R)
• M5: 3,046,261 km (0.081 R)
• M6: 3,770,914 km (0.073 R)
• M7: 4,442,907 km (0.095 R)
• M8: 5,170,551 km (0.114 R)
• M9: 6,051,084 km (0.05 R)
• M10: 7,084,656 km (0.111 R)
• M11: 8,356,687 km (0.038 R)
• M12: 10,342,299 km (0.08 R)
• M13: 12,832,505 km (0.074 R)
• M14: 15,412,919 km (0.049 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.6

Radius: 14.4

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.89 AU - 3.43 AU

Year: 3572 Days

Day: 14.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,129,155 km

• M1: 179,368 km (0.106 R)
• M2: 721,810 km (0.114 R)
• M3: 1,458,280 km (0.048 R)
• M4: 2,038,869 km (0.106 R)
• M5: 2,807,802 km (0.114 R)
• M6: 4,107,509 km (0.103 R)
• M7: 5,994,387 km (0.089 R)
• M8: 8,082,324 km (0.093 R)
• M9: 8,711,383 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 113.9

Radius: 7.3

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 6.18 AU - 9.6 AU

Year: 14091 Days

Day: 21.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 33,129,155 km

• M1: 97,987 km (0.08 R)
• M2: 363,074 km (0.091 R)
• M3: 698,622 km (0.065 R)
• M4: 1,009,786 km (0.106 R)
• M5: 1,556,416 km (0.048 R)
• M6: 1,819,110 km (0.066 R)
• M7: 3,836,737 km (0.115 R)
• M8: 4,171,237 km (0.096 R)
• M9: 7,085,254 km (0.104 R)
• M10: 8,156,824 km (0.112 R)
• M11: 9,122,179 km (0.096 R)
• M12: 9,719,224 km (0.106 R)
• M13: 11,326,055 km (0.106 R)
• M14: 12,066,115 km (0.06 R)
• M15: 12,628,903 km (0.063 R)
• M16: 12,943,208 km (0.042 R)
• M17: 13,917,688 km (0.103 R)
• M18: 14,253,087 km (0.108 R)
• M19: 16,195,166 km (0.106 R)
• M20: 17,325,528 km (0.076 R)
• M21: 18,777,525 km (0.057 R)
• M22: 19,812,892 km (0.09 R)
• M23: 21,771,726 km (0.117 R)
• M24: 22,376,102 km (0.106 R)
• M25: 24,175,764 km (0.068 R)
• M26: 24,417,364 km (0.106 R)
• M27: 30,430,900 km (0.076 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 286 - 17,815 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit