🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.3

Radius: 12.9

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.59 AU - 0.83 AU

Year: 399 Days

Day: 9.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 174.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 59,978,456 km

• M1: 160,369 km (0.055 R)
• M2: 644,168 km (0.045 R)
• M3: 1,271,881 km (0.042 R)
• M4: 1,795,922 km (0.061 R)
• M5: 2,361,402 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.1

Radius: 8.8

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.82 AU - 1.02 AU

Year: 588 Days

Day: 14.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,978,456 km

• M1: 109,506 km (0.048 R)
• M2: 386,710 km (0.089 R)
• M3: 719,267 km (0.105 R)
• M4: 1,020,407 km (0.109 R)
• M5: 1,352,215 km (0.113 R)
• M6: 2,129,675 km (0.117 R)
• M7: 2,453,255 km (0.094 R)
• M8: 2,819,621 km (0.091 R)
• M9: 3,278,138 km (0.093 R)
• M10: 3,785,724 km (0.081 R)
• M11: 4,091,203 km (0.08 R)
• M12: 4,482,401 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.6

Radius: 9.5

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.98 AU - 1.3 AU

Year: 812 Days

Day: 8.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,978,456 km

• M1: 118,182 km (0.099 R)
• M2: 575,503 km (0.045 R)
• M3: 1,080,994 km (0.086 R)
• M4: 1,717,084 km (0.059 R)
• M5: 2,306,949 km (0.115 R)
• M6: 2,606,444 km (0.048 R)
• M7: 3,584,963 km (0.108 R)
• M8: 4,106,312 km (0.041 R)
• M9: 4,565,428 km (0.055 R)
• M10: 5,318,204 km (0.116 R)
• M11: 6,054,824 km (0.114 R)
• M12: 6,548,796 km (0.083 R)
• M13: 7,155,266 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.4

Radius: 13.8

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.91 AU - 2.83 AU

Year: 2433 Days

Day: 8.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,978,456 km

• M1: 176,226 km (0.085 R)
• M2: 856,448 km (0.094 R)
• M3: 2,219,584 km (0.111 R)
• M4: 2,891,128 km (0.067 R)
• M5: 3,658,566 km (0.082 R)
• M6: 5,260,160 km (0.082 R)
• M7: 7,141,952 km (0.099 R)
• M8: 9,157,783 km (0.118 R)
• M9: 11,286,860 km (0.035 R)
• M10: 12,065,068 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.4

Radius: 13

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.85 AU - 5.69 AU

Year: 8068 Days

Day: 14.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,978,456 km

• M1: 161,865 km (0.068 R)
• M2: 735,872 km (0.062 R)
• M3: 1,199,775 km (0.071 R)
• M4: 1,622,239 km (0.088 R)
• M5: 2,053,680 km (0.068 R)
• M6: 3,519,140 km (0.119 R)
• M7: 4,154,482 km (0.11 R)
• M8: 5,780,013 km (0.109 R)
• M9: 7,757,697 km (0.044 R)
• M10: 8,879,382 km (0.03 R)
• M11: 11,196,353 km (0.11 R)
• M12: 11,694,066 km (0.11 R)
• M13: 12,680,514 km (0.105 R)
• M14: 14,819,165 km (0.065 R)
• M15: 17,253,870 km (0.059 R)
• M16: 18,121,688 km (0.097 R)
• M17: 21,732,831 km (0.119 R)
• M18: 23,707,074 km (0.1 R)
• M19: 30,153,246 km (0.062 R)
• M20: 32,304,015 km (0.061 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 904.2

Radius: 3.8

Gravity: 62.62 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 7.07 AU - 9.03 AU

Year: 15231 Days

Day: 24.6 Hours

Environment

Temp: -242 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 59,978,456 km

• M1: 47,273 km (0.106 R)
• M2: 173,534 km (0.119 R)
• M3: 343,028 km (0.103 R)
• M4: 563,086 km (0.03 R)
• M5: 758,012 km (0.026 R)
• M6: 1,386,174 km (0.086 R)
• M7: 1,590,674 km (0.058 R)
• M8: 1,761,365 km (0.102 R)
• M9: 2,079,560 km (0.073 R)
• M10: 2,369,481 km (0.101 R)
• M11: 3,656,920 km (0.042 R)
• M12: 4,736,717 km (0.055 R)
• M13: 5,018,709 km (0.067 R)
• M14: 6,301,511 km (0.108 R)
• M15: 6,642,594 km (0.115 R)
• M16: 6,817,773 km (0.072 R)
• M17: 8,031,910 km (0.114 R)
• M18: 10,639,101 km (0.112 R)
• M19: 10,878,907 km (0.103 R)
• M20: 14,699,188 km (0.081 R)
• M21: 15,835,533 km (0.061 R)
• M22: 15,991,414 km (0.098 R)
• M23: 17,029,174 km (0.043 R)
• M24: 18,973,797 km (0.087 R)
• M25: 19,326,399 km (0.104 R)
• M26: 21,534,763 km (0.062 R)
• M27: 21,725,949 km (0.088 R)
• M28: 23,096,864 km (0.114 R)
• M29: 27,441,336 km (0.102 R)
• M30: 30,823,145 km (0.115 R)
• M31: 39,532,584 km (0.053 R)
• M32: 50,924,013 km (0.119 R)
• M33: 54,210,977 km (0.11 R)
• M34: 54,565,075 km (0.116 R)
• M35: 65,314,281 km (0.1 R)
• M36: 65,916,113 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 331.7

Radius: 6.3

Gravity: 8.36 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 7.85 AU - 11.53 AU

Year: 20115 Days

Day: 20 Hours

Environment

Temp: -244 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 59,978,456 km

• M1: 78,539 km (0.1 R)
• M2: 347,366 km (0.119 R)
• M3: 594,352 km (0.115 R)
• M4: 845,826 km (0.111 R)
• M5: 1,180,477 km (0.026 R)
• M6: 1,950,607 km (0.078 R)
• M7: 2,211,505 km (0.112 R)
• M8: 3,137,067 km (0.1 R)
• M9: 4,709,191 km (0.086 R)
• M10: 5,758,022 km (0.073 R)
• M11: 6,139,945 km (0.09 R)
• M12: 6,457,542 km (0.084 R)
• M13: 7,431,873 km (0.071 R)
• M14: 8,452,280 km (0.064 R)
• M15: 8,996,068 km (0.111 R)
• M16: 9,562,894 km (0.114 R)
• M17: 11,765,573 km (0.072 R)
• M18: 12,632,493 km (0.046 R)
• M19: 13,081,586 km (0.094 R)
• M20: 14,632,317 km (0.115 R)
• M21: 16,910,992 km (0.106 R)
• M22: 17,933,194 km (0.091 R)
• M23: 22,999,625 km (0.11 R)
• M24: 24,253,106 km (0.109 R)
• M25: 25,653,192 km (0.093 R)
• M26: 27,960,889 km (0.114 R)
• M27: 29,387,754 km (0.119 R)
• M28: 29,611,403 km (0.027 R)
• M29: 40,344,451 km (0.109 R)
• M30: 47,486,403 km (0.105 R)
• M31: 50,628,557 km (0.044 R)
• M32: 52,086,687 km (0.111 R)
• M33: 56,975,247 km (0.098 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 238 - 13,430 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit