🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.54 AU - 0.56 AU

Year: 268 Days

Day: 41.8 Hours

Environment

Temp: -112 °C

Axial Tilt: 35 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.8

Radius: 11.9

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.7 AU - 0.82 AU

Year: 435 Days

Day: 10.4 Hours

Environment

Temp: -137 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,673,311 km

• M1: 150,944 km (0.084 R)
• M2: 533,017 km (0.112 R)
• M3: 1,005,896 km (0.077 R)
• M4: 1,474,287 km (0.074 R)
• M5: 2,080,906 km (0.112 R)
• M6: 2,755,144 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.1

Radius: 8.6

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.23 AU - 1.91 AU

Year: 1291 Days

Day: 10.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,673,311 km

• M1: 106,962 km (0.036 R)
• M2: 418,575 km (0.034 R)
• M3: 704,307 km (0.1 R)
• M4: 1,149,809 km (0.061 R)
• M5: 1,996,084 km (0.095 R)
• M6: 2,284,210 km (0.111 R)
• M7: 2,853,280 km (0.106 R)
• M8: 3,295,491 km (0.111 R)
• M9: 4,036,899 km (0.097 R)
• M10: 4,485,991 km (0.083 R)
• M11: 5,238,917 km (0.1 R)
• M12: 6,603,100 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.1

Radius: 8.5

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.34 AU - 2.9 AU

Year: 2782 Days

Day: 8.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,673,311 km

• M1: 105,766 km (0.038 R)
• M2: 499,358 km (0.084 R)
• M3: 887,714 km (0.083 R)
• M4: 1,309,281 km (0.1 R)
• M5: 2,123,243 km (0.08 R)
• M6: 2,521,023 km (0.068 R)
• M7: 4,055,000 km (0.114 R)
• M8: 4,613,150 km (0.09 R)
• M9: 5,882,637 km (0.081 R)
• M10: 7,553,047 km (0.084 R)
• M11: 9,517,865 km (0.107 R)
• M12: 10,145,877 km (0.089 R)
• M13: 11,003,223 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.7

Radius: 9.3

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.32 AU - 4.66 AU

Year: 6241 Days

Day: 13.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,673,311 km

• M1: 115,639 km (0.03 R)
• M2: 508,184 km (0.104 R)
• M3: 860,936 km (0.114 R)
• M4: 1,325,437 km (0.118 R)
• M5: 1,895,854 km (0.038 R)
• M6: 3,377,172 km (0.082 R)
• M7: 3,739,348 km (0.075 R)
• M8: 4,246,336 km (0.091 R)
• M9: 4,567,073 km (0.117 R)
• M10: 4,877,639 km (0.064 R)
• M11: 5,745,755 km (0.066 R)
• M12: 6,295,078 km (0.065 R)
• M13: 6,615,218 km (0.115 R)
• M14: 7,288,259 km (0.11 R)
• M15: 9,129,958 km (0.057 R)
• M16: 9,499,315 km (0.111 R)
• M17: 9,964,116 km (0.075 R)
• M18: 10,267,799 km (0.093 R)
• M19: 10,757,583 km (0.069 R)
• M20: 11,977,105 km (0.117 R)
• M21: 12,721,354 km (0.112 R)
• M22: 15,715,705 km (0.11 R)
• M23: 21,869,114 km (0.08 R)
• M24: 22,161,728 km (0.116 R)
• M25: 25,153,685 km (0.076 R)
• M26: 28,928,638 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 315.7

Radius: 4.9

Gravity: 13.15 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 8.44 AU - 8.62 AU

Year: 16343 Days

Day: 17.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 161.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 60,673,311 km

• M1: 61,036 km (0.087 R)
• M2: 230,680 km (0.028 R)
• M3: 471,383 km (0.085 R)
• M4: 726,896 km (0.078 R)
• M5: 952,340 km (0.085 R)
• M6: 1,261,260 km (0.118 R)
• M7: 1,474,137 km (0.114 R)
• M8: 1,634,357 km (0.065 R)
• M9: 2,337,168 km (0.096 R)
• M10: 2,745,121 km (0.087 R)
• M11: 3,199,150 km (0.055 R)
• M12: 3,545,769 km (0.099 R)
• M13: 4,491,526 km (0.061 R)
• M14: 4,862,380 km (0.089 R)
• M15: 5,525,248 km (0.062 R)
• M16: 6,708,417 km (0.061 R)
• M17: 7,359,018 km (0.101 R)
• M18: 8,880,130 km (0.117 R)
• M19: 9,713,988 km (0.08 R)
• M20: 10,814,729 km (0.119 R)
• M21: 11,088,493 km (0.069 R)
• M22: 12,648,051 km (0.048 R)
• M23: 13,385,868 km (0.095 R)
• M24: 15,424,139 km (0.068 R)
• M25: 19,695,008 km (0.09 R)
• M26: 21,448,595 km (0.116 R)
• M27: 23,212,802 km (0.071 R)
• M28: 25,744,896 km (0.086 R)
• M29: 30,799,509 km (0.098 R)
• M30: 31,239,177 km (0.107 R)
• M31: 33,848,613 km (0.086 R)
• M32: 40,015,336 km (0.049 R)
• M33: 40,276,534 km (0.072 R)
• M34: 43,914,006 km (0.03 R)
• M35: 47,911,261 km (0.111 R)
• M36: 51,370,862 km (0.055 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 312.4

Radius: 7.1

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 10.11 AU - 10.11 AU

Year: 21088 Days

Day: 16 Hours

Environment

Temp: -238 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 60,673,311 km

• M1: 89,011 km (0.107 R)
• M2: 336,446 km (0.069 R)
• M3: 733,478 km (0.091 R)
• M4: 979,268 km (0.093 R)
• M5: 1,707,809 km (0.09 R)
• M6: 2,187,270 km (0.039 R)
• M7: 2,914,915 km (0.035 R)
• M8: 3,627,150 km (0.102 R)
• M9: 3,850,500 km (0.053 R)
• M10: 4,576,947 km (0.089 R)
• M11: 5,499,367 km (0.027 R)
• M12: 7,086,002 km (0.091 R)
• M13: 7,752,610 km (0.049 R)
• M14: 8,124,960 km (0.106 R)
• M15: 8,955,677 km (0.096 R)
• M16: 10,785,109 km (0.099 R)
• M17: 14,457,587 km (0.036 R)
• M18: 15,165,335 km (0.049 R)
• M19: 16,726,388 km (0.11 R)
• M20: 22,233,684 km (0.097 R)
• M21: 25,545,482 km (0.099 R)
• M22: 26,683,623 km (0.055 R)
• M23: 29,507,582 km (0.11 R)
• M24: 29,732,726 km (0.064 R)
• M25: 33,615,240 km (0.087 R)
• M26: 38,623,777 km (0.094 R)
• M27: 41,657,472 km (0.09 R)
• M28: 43,522,808 km (0.104 R)
• M29: 47,419,084 km (0.112 R)
• M30: 50,731,181 km (0.113 R)
• M31: 55,382,628 km (0.076 R)
• M32: 56,415,003 km (0.091 R)
• M33: 60,491,694 km (0.107 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 502 - 20,369 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit