🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.4

Radius: 14.6

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.45 AU - 0.65 AU

Year: 287 Days

Day: 14.8 Hours

Environment

Temp: -138 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 26,134,714 km

• M1: 181,612 km (0.048 R)
• M2: 661,821 km (0.072 R)
• M3: 1,335,610 km (0.099 R)
• M4: 2,070,435 km (0.118 R)
• M5: 2,945,133 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.4

Radius: 11.9

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.59 AU - 0.63 AU

Year: 335 Days

Day: 14.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 26,134,714 km

• M1: 147,952 km (0.059 R)
• M2: 559,496 km (0.076 R)
• M3: 1,348,176 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.7

Radius: 8

Gravity: 14.37 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.68 AU - 0.72 AU

Year: 412 Days

Day: 14.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 120.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 26,134,714 km

• M1: 99,483 km (0.095 R)
• M2: 372,499 km (0.116 R)
• M3: 794,365 km (0.072 R)
• M4: 1,092,962 km (0.07 R)
• M5: 1,459,926 km (0.109 R)
• M6: 1,780,065 km (0.096 R)
• M7: 2,209,710 km (0.057 R)
• M8: 2,965,628 km (0.114 R)
• M9: 3,300,428 km (0.046 R)
• M10: 3,583,767 km (0.085 R)
• M11: 4,213,873 km (0.071 R)
• M12: 5,336,006 km (0.043 R)
• M13: 5,797,815 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.9

Radius: 12.5

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.36 AU - 1.58 AU

Year: 1253 Days

Day: 8.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 26,134,714 km

• M1: 155,582 km (0.095 R)
• M2: 610,509 km (0.077 R)
• M3: 1,005,896 km (0.095 R)
• M4: 1,507,947 km (0.09 R)
• M5: 2,355,718 km (0.093 R)
• M6: 3,400,808 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.5

Radius: 8.7

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.8 AU - 2.5 AU

Year: 2216 Days

Day: 13.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 26,134,714 km

• M1: 108,159 km (0.097 R)
• M2: 439,219 km (0.092 R)
• M3: 779,255 km (0.098 R)
• M4: 1,121,086 km (0.114 R)
• M5: 1,481,917 km (0.059 R)
• M6: 2,083,749 km (0.055 R)
• M7: 2,556,628 km (0.08 R)
• M8: 2,953,361 km (0.065 R)
• M9: 3,250,463 km (0.082 R)
• M10: 4,118,280 km (0.104 R)
• M11: 4,529,076 km (0.079 R)
• M12: 6,826,600 km (0.072 R)
• M13: 7,511,159 km (0.09 R)
• M14: 7,814,245 km (0.114 R)
• M15: 8,772,718 km (0.063 R)
• M16: 9,109,164 km (0.061 R)
• M17: 9,775,174 km (0.105 R)
• M18: 11,062,613 km (0.097 R)
• M19: 12,118,475 km (0.049 R)
• M20: 12,884,865 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.7

Radius: 13.2

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.17 AU - 3.37 AU

Year: 4157 Days

Day: 7.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 26,134,714 km

• M1: 164,109 km (0.094 R)
• M2: 584,180 km (0.068 R)
• M3: 1,171,351 km (0.11 R)
• M4: 1,670,859 km (0.096 R)
• M5: 2,741,830 km (0.084 R)
• M6: 3,602,915 km (0.112 R)
• M7: 4,075,794 km (0.08 R)
• M8: 4,543,886 km (0.072 R)
• M9: 6,312,731 km (0.08 R)
• M10: 6,942,089 km (0.116 R)
• M11: 7,679,158 km (0.109 R)
• M12: 9,234,377 km (0.052 R)
• M13: 10,327,788 km (0.085 R)
• M14: 10,948,320 km (0.078 R)
• M15: 11,992,663 km (0.105 R)
• M16: 12,492,918 km (0.05 R)
• M17: 12,959,963 km (0.114 R)
• M18: 13,390,206 km (0.104 R)
• M19: 15,419,053 km (0.063 R)
• M20: 16,506,928 km (0.025 R)
• M21: 20,526,324 km (0.119 R)
• M22: 21,243,346 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.9

Radius: 8.2

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.26 AU - 3.96 AU

Year: 4821 Days

Day: 8.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 26,134,714 km

• M1: 102,026 km (0.078 R)
• M2: 385,813 km (0.073 R)
• M3: 901,926 km (0.087 R)
• M4: 1,180,477 km (0.089 R)
• M5: 1,462,469 km (0.119 R)
• M6: 2,708,469 km (0.062 R)
• M7: 3,577,334 km (0.067 R)
• M8: 3,869,050 km (0.045 R)
• M9: 4,596,395 km (0.119 R)
• M10: 5,018,261 km (0.12 R)
• M11: 5,358,147 km (0.109 R)
• M12: 6,054,974 km (0.094 R)
• M13: 6,320,211 km (0.088 R)
• M14: 6,873,873 km (0.119 R)
• M15: 7,628,145 km (0.093 R)
• M16: 8,078,285 km (0.108 R)
• M17: 9,300,500 km (0.119 R)
• M18: 11,831,247 km (0.066 R)
• M19: 12,720,008 km (0.093 R)
• M20: 16,380,069 km (0.062 R)
• M21: 16,896,481 km (0.052 R)
• M22: 17,542,445 km (0.085 R)
• M23: 21,494,521 km (0.102 R)
• M24: 22,182,971 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 475.1

Radius: 6.5

Gravity: 11.24 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 7.34 AU - 9.94 AU

Year: 17852 Days

Day: 21.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 26,134,714 km

• M1: 81,531 km (0.086 R)
• M2: 350,957 km (0.052 R)
• M3: 700,567 km (0.079 R)
• M4: 2,321,759 km (0.099 R)
• M5: 2,531,794 km (0.105 R)
• M6: 3,088,298 km (0.072 R)
• M7: 5,004,198 km (0.114 R)
• M8: 5,612,912 km (0.095 R)
• M9: 6,032,534 km (0.064 R)
• M10: 6,806,105 km (0.073 R)
• M11: 7,238,891 km (0.113 R)
• M12: 7,782,380 km (0.086 R)
• M13: 8,647,954 km (0.115 R)
• M14: 13,084,129 km (0.085 R)
• M15: 13,821,198 km (0.107 R)
• M16: 19,088,688 km (0.065 R)
• M17: 22,305,043 km (0.073 R)
• M18: 24,239,343 km (0.054 R)
• M19: 29,219,755 km (0.077 R)
• M20: 33,466,240 km (0.039 R)
• M21: 34,211,836 km (0.12 R)
• M22: 35,350,725 km (0.041 R)
• M23: 35,607,285 km (0.066 R)
• M24: 37,570,907 km (0.07 R)
• M25: 38,511,429 km (0.09 R)
• M26: 39,882,194 km (0.094 R)
• M27: 41,001,934 km (0.098 R)
• M28: 46,454,627 km (0.084 R)
• M29: 54,393,187 km (0.099 R)
• M30: 56,117,303 km (0.084 R)
• M31: 61,878,766 km (0.061 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 23.3

Radius: 7.5

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 8.89 AU - 10.87 AU

Year: 21829 Days

Day: 20.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 26,134,714 km

• M1: 93,199 km (0.101 R)
• M2: 444,306 km (0.048 R)
• M3: 1,412,353 km (0.1 R)
• M4: 1,674,000 km (0.04 R)
• M5: 2,135,061 km (0.028 R)
• M6: 4,058,740 km (0.119 R)
• M7: 5,414,545 km (0.083 R)
• M8: 9,572,169 km (0.104 R)
• M9: 11,123,499 km (0.041 R)
• M10: 11,751,960 km (0.117 R)
• M11: 12,168,291 km (0.07 R)
• M12: 14,294,675 km (0.072 R)
• M13: 15,145,438 km (0.112 R)
• M14: 17,658,832 km (0.089 R)
• M15: 18,825,546 km (0.111 R)
• M16: 26,134,748 km (0.063 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: 513 - 18,664 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit