🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404

Radius: 14.9

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.49 AU - 0.59 AU

Year: 269 Days

Day: 15 Hours

Environment

Temp: -146 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 58,257,886 km

• M1: 185,352 km (0.062 R)
• M2: 718,668 km (0.113 R)
• M3: 1,437,187 km (0.067 R)
• M4: 2,207,915 km (0.085 R)
• M5: 2,698,596 km (0.118 R)
• M6: 3,291,752 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.1

Radius: 9

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.47 AU - 0.69 AU

Year: 300 Days

Day: 10.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,257,886 km

• M1: 112,348 km (0.102 R)
• M2: 451,486 km (0.06 R)
• M3: 744,549 km (0.102 R)
• M4: 1,107,772 km (0.049 R)
• M5: 1,892,563 km (0.098 R)
• M6: 2,243,220 km (0.078 R)
• M7: 2,593,129 km (0.08 R)
• M8: 2,893,522 km (0.108 R)
• M9: 3,207,079 km (0.106 R)
• M10: 3,697,760 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.8

Radius: 11.4

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.47 AU - 0.71 AU

Year: 307 Days

Day: 12.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,257,886 km

• M1: 141,819 km (0.059 R)
• M2: 618,587 km (0.048 R)
• M3: 1,015,321 km (0.054 R)
• M4: 1,549,535 km (0.11 R)
• M5: 2,242,023 km (0.106 R)
• M6: 2,646,686 km (0.102 R)
• M7: 3,172,223 km (0.047 R)
• M8: 3,537,990 km (0.059 R)
• M9: 4,127,854 km (0.045 R)
• M10: 4,486,141 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.5

Radius: 12.1

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.49 AU - 1.85 AU

Year: 1464 Days

Day: 7.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,257,886 km

• M1: 165,455 km (0.074 R)
• M2: 564,283 km (0.113 R)
• M3: 1,050,177 km (0.043 R)
• M4: 1,726,659 km (0.041 R)
• M5: 2,130,573 km (0.046 R)
• M6: 2,598,066 km (0.062 R)
• M7: 3,863,515 km (0.119 R)
• M8: 4,525,934 km (0.112 R)
• M9: 5,198,526 km (0.117 R)
• M10: 5,751,589 km (0.117 R)
• M11: 6,319,164 km (0.118 R)
• M12: 6,743,573 km (0.095 R)
• M13: 9,606,726 km (0.098 R)
• M14: 10,135,705 km (0.095 R)
• M15: 10,614,268 km (0.031 R)
• M16: 11,506,619 km (0.101 R)
• M17: 11,952,421 km (0.071 R)
• M18: 12,603,770 km (0.068 R)
• M19: 13,563,291 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.3

Radius: 8.8

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.46 AU - 3.8 AU

Year: 3756 Days

Day: 8.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,257,886 km

• M1: 109,506 km (0.03 R)
• M2: 402,269 km (0.083 R)
• M3: 690,394 km (0.112 R)
• M4: 1,007,242 km (0.108 R)
• M5: 1,495,829 km (0.103 R)
• M6: 3,163,097 km (0.081 R)
• M7: 4,195,023 km (0.055 R)
• M8: 4,798,950 km (0.108 R)
• M9: 5,099,941 km (0.052 R)
• M10: 5,764,006 km (0.086 R)
• M11: 6,640,799 km (0.07 R)
• M12: 7,015,542 km (0.062 R)
• M13: 8,194,672 km (0.073 R)
• M14: 10,576,719 km (0.106 R)
• M15: 12,200,903 km (0.101 R)
• M16: 14,028,391 km (0.119 R)
• M17: 14,601,500 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.7

Radius: 13.4

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 5.4 AU - 5.86 AU

Year: 9061 Days

Day: 6.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,257,886 km

• M1: 166,652 km (0.111 R)
• M2: 1,750,295 km (0.088 R)
• M3: 2,453,405 km (0.062 R)
• M4: 2,903,096 km (0.074 R)
• M5: 4,483,897 km (0.102 R)
• M6: 7,578,329 km (0.117 R)
• M7: 8,543,983 km (0.04 R)
• M8: 10,217,983 km (0.092 R)
• M9: 12,380,271 km (0.078 R)
• M10: 14,705,620 km (0.119 R)
• M11: 17,592,261 km (0.115 R)
• M12: 18,534,727 km (0.078 R)
• M13: 19,663,593 km (0.092 R)
• M14: 27,228,608 km (0.106 R)
• M15: 30,607,575 km (0.06 R)
• M16: 35,383,038 km (0.094 R)
• M17: 36,186,079 km (0.056 R)
• M18: 36,650,282 km (0.089 R)
• M19: 40,136,062 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 131.5

Radius: 5.3

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 6.51 AU - 6.67 AU

Year: 11474 Days

Day: 18.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 58,257,886 km

• M1: 65,973 km (0.106 R)
• M2: 396,734 km (0.106 R)
• M3: 661,073 km (0.094 R)
• M4: 1,104,032 km (0.088 R)
• M5: 1,536,370 km (0.11 R)
• M6: 2,180,688 km (0.06 R)
• M7: 2,952,164 km (0.071 R)
• M8: 3,205,434 km (0.114 R)
• M9: 3,868,601 km (0.114 R)
• M10: 4,342,377 km (0.108 R)
• M11: 4,644,864 km (0.099 R)
• M12: 5,042,346 km (0.095 R)
• M13: 5,905,226 km (0.095 R)
• M14: 6,929,822 km (0.091 R)
• M15: 8,641,671 km (0.097 R)
• M16: 10,173,702 km (0.087 R)
• M17: 11,026,859 km (0.107 R)
• M18: 12,319,833 km (0.069 R)
• M19: 17,544,838 km (0.103 R)
• M20: 18,440,930 km (0.097 R)
• M21: 21,818,101 km (0.059 R)
• M22: 23,383,643 km (0.106 R)
• M23: 25,747,888 km (0.056 R)
• M24: 25,992,780 km (0.075 R)
• M25: 26,487,201 km (0.107 R)
• M26: 28,614,632 km (0.108 R)
• M27: 29,496,511 km (0.098 R)
• M28: 30,305,686 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 443.1

Radius: 7.4

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 6.51 AU - 10.39 AU

Year: 16660 Days

Day: 22.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,257,886 km

• M1: 92,900 km (0.049 R)
• M2: 388,057 km (0.059 R)
• M3: 678,277 km (0.101 R)
• M4: 926,609 km (0.054 R)
• M5: 1,410,409 km (0.112 R)
• M6: 1,710,053 km (0.073 R)
• M7: 3,542,328 km (0.068 R)
• M8: 5,217,675 km (0.099 R)
• M9: 8,223,545 km (0.065 R)
• M10: 11,034,937 km (0.114 R)
• M11: 12,282,733 km (0.071 R)
• M12: 15,699,997 km (0.095 R)
• M13: 17,274,665 km (0.107 R)
• M14: 23,471,607 km (0.091 R)
• M15: 24,630,691 km (0.081 R)
• M16: 28,770,064 km (0.094 R)
• M17: 30,548,035 km (0.089 R)
• M18: 39,460,777 km (0.12 R)
• M19: 39,865,738 km (0.105 R)
• M20: 41,792,110 km (0.09 R)
• M21: 43,205,660 km (0.073 R)
• M22: 46,727,344 km (0.107 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 418 - 13,379 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit