🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.7

Radius: 8.4

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.58 AU - 0.72 AU

Year: 355 Days

Day: 10.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,075,029 km

• M1: 105,616 km (0.064 R)
• M2: 385,813 km (0.067 R)
• M3: 672,143 km (0.105 R)
• M4: 1,096,702 km (0.102 R)
• M5: 1,374,505 km (0.091 R)
• M6: 1,658,292 km (0.034 R)
• M7: 2,285,257 km (0.047 R)
• M8: 3,278,437 km (0.066 R)
• M9: 3,754,907 km (0.039 R)
• M10: 4,080,581 km (0.082 R)
• M11: 4,731,481 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.4

Radius: 14.2

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.78 AU - 0.96 AU

Year: 550 Days

Day: 13.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,075,029 km

• M1: 176,525 km (0.08 R)
• M2: 626,965 km (0.112 R)
• M3: 1,765,404 km (0.09 R)
• M4: 2,414,210 km (0.05 R)
• M5: 3,328,702 km (0.06 R)
• M6: 3,942,652 km (0.086 R)
• M7: 4,508,880 km (0.086 R)
• M8: 5,609,322 km (0.09 R)
• M9: 6,232,846 km (0.096 R)
• M10: 6,800,869 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.1

Radius: 9.1

Gravity: 11.63 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.25 AU - 1.31 AU

Year: 982 Days

Day: 12.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,075,029 km

• M1: 113,246 km (0.102 R)
• M2: 437,424 km (0.039 R)
• M3: 859,440 km (0.113 R)
• M4: 1,158,336 km (0.117 R)
• M5: 1,856,061 km (0.092 R)
• M6: 2,449,516 km (0.115 R)
• M7: 3,207,079 km (0.083 R)
• M8: 3,687,737 km (0.04 R)
• M9: 4,849,963 km (0.079 R)
• M10: 5,220,068 km (0.105 R)
• M11: 5,995,434 km (0.108 R)
• M12: 6,308,093 km (0.061 R)
• M13: 7,212,113 km (0.1 R)
• M14: 8,698,518 km (0.1 R)
• M15: 9,275,966 km (0.04 R)
• M16: 9,634,402 km (0.057 R)
• M17: 10,539,170 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.9

Radius: 14.7

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.57 AU - 2.03 AU

Year: 1638 Days

Day: 5.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 177.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,075,029 km

• M1: 182,809 km (0.091 R)
• M2: 765,492 km (0.118 R)
• M3: 1,231,190 km (0.071 R)
• M4: 1,777,821 km (0.08 R)
• M5: 2,462,979 km (0.115 R)
• M6: 2,972,360 km (0.067 R)
• M7: 3,729,475 km (0.064 R)
• M8: 4,805,084 km (0.111 R)
• M9: 5,523,004 km (0.12 R)
• M10: 6,032,983 km (0.087 R)
• M11: 6,795,184 km (0.095 R)
• M12: 7,674,520 km (0.109 R)
• M13: 8,198,263 km (0.05 R)
• M14: 9,597,601 km (0.117 R)
• M15: 10,470,654 km (0.084 R)
• M16: 11,395,917 km (0.066 R)
• M17: 12,226,784 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662

Radius: 8.8

Gravity: 8.55 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.72 AU - 2.74 AU

Year: 3059 Days

Day: 12.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,075,029 km

• M1: 109,506 km (0.075 R)
• M2: 574,306 km (0.066 R)
• M3: 851,062 km (0.11 R)
• M4: 1,193,791 km (0.048 R)
• M5: 2,248,007 km (0.105 R)
• M6: 3,067,654 km (0.063 R)
• M7: 3,574,791 km (0.084 R)
• M8: 3,889,096 km (0.063 R)
• M9: 4,243,194 km (0.051 R)
• M10: 5,411,553 km (0.077 R)
• M11: 6,070,233 km (0.113 R)
• M12: 7,901,610 km (0.089 R)
• M13: 8,334,995 km (0.1 R)
• M14: 9,213,134 km (0.044 R)
• M15: 10,229,353 km (0.115 R)
• M16: 13,964,662 km (0.111 R)
• M17: 14,747,807 km (0.092 R)
• M18: 19,526,860 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.8

Radius: 8.6

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.37 AU - 3.73 AU

Year: 3613 Days

Day: 10.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 61,075,029 km

• M1: 107,561 km (0.062 R)
• M2: 398,080 km (0.119 R)
• M3: 724,802 km (0.072 R)
• M4: 1,153,699 km (0.071 R)
• M5: 1,757,177 km (0.083 R)
• M6: 2,057,270 km (0.088 R)
• M7: 3,189,127 km (0.079 R)
• M8: 3,561,626 km (0.092 R)
• M9: 3,839,429 km (0.059 R)
• M10: 4,196,370 km (0.051 R)
• M11: 4,598,339 km (0.051 R)
• M12: 5,074,958 km (0.062 R)
• M13: 5,636,848 km (0.104 R)
• M14: 6,440,188 km (0.104 R)
• M15: 6,764,068 km (0.07 R)
• M16: 7,160,951 km (0.1 R)
• M17: 8,035,051 km (0.116 R)
• M18: 8,691,487 km (0.105 R)
• M19: 8,978,415 km (0.077 R)
• M20: 9,761,859 km (0.065 R)
• M21: 10,509,400 km (0.093 R)
• M22: 11,042,268 km (0.037 R)
• M23: 11,336,676 km (0.081 R)
• M24: 11,941,351 km (0.095 R)
• M25: 12,476,462 km (0.068 R)
• M26: 15,033,240 km (0.115 R)
• M27: 15,604,554 km (0.101 R)
• M28: 18,740,424 km (0.049 R)
• M29: 19,220,185 km (0.043 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 966.8

Radius: 6.7

Gravity: 21.54 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 5.16 AU - 8.5 AU

Year: 12107 Days

Day: 20.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 61,075,029 km

• M1: 83,326 km (0.059 R)
• M2: 585,975 km (0.1 R)
• M3: 874,848 km (0.033 R)
• M4: 1,283,849 km (0.1 R)
• M5: 1,900,342 km (0.106 R)
• M6: 2,523,118 km (0.09 R)
• M7: 2,789,103 km (0.107 R)
• M8: 3,377,471 km (0.116 R)
• M9: 6,955,852 km (0.115 R)
• M10: 8,173,878 km (0.068 R)
• M11: 8,414,282 km (0.088 R)
• M12: 9,848,327 km (0.118 R)
• M13: 10,175,498 km (0.091 R)
• M14: 10,623,244 km (0.091 R)
• M15: 10,909,574 km (0.105 R)
• M16: 19,008,354 km (0.037 R)
• M17: 19,687,229 km (0.078 R)
• M18: 20,206,932 km (0.096 R)
• M19: 23,422,239 km (0.12 R)
• M20: 23,907,834 km (0.054 R)
• M21: 25,302,984 km (0.105 R)
• M22: 27,175,500 km (0.119 R)
• M23: 32,496,846 km (0.08 R)
• M24: 33,344,468 km (0.062 R)
• M25: 42,647,211 km (0.075 R)
• M26: 49,778,243 km (0.118 R)
• M27: 50,098,083 km (0.114 R)
• M28: 59,263,496 km (0.111 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 542 - 12,462 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit