🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.5

Radius: 13.7

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.67 AU - 0.89 AU

Year: 459 Days

Day: 14.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 29,943,226 km

• M1: 170,691 km (0.114 R)
• M2: 611,556 km (0.079 R)
• M3: 1,279,959 km (0.035 R)
• M4: 1,933,852 km (0.098 R)
• M5: 3,450,475 km (0.051 R)
• M6: 4,236,911 km (0.104 R)
• M7: 4,918,180 km (0.1 R)
• M8: 5,384,626 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.1

Radius: 14.2

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.77 AU - 1.05 AU

Year: 579 Days

Day: 6.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 29,943,226 km

• M1: 177,573 km (0.074 R)
• M2: 845,677 km (0.117 R)
• M3: 1,540,708 km (0.051 R)
• M4: 2,110,676 km (0.091 R)
• M5: 2,592,830 km (0.1 R)
• M6: 3,119,864 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.9

Radius: 9.5

Gravity: 10.26 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.93 AU - 1.13 AU

Year: 697 Days

Day: 7.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 29,943,226 km

• M1: 118,182 km (0.067 R)
• M2: 430,692 km (0.081 R)
• M3: 733,179 km (0.112 R)
• M4: 1,429,557 km (0.069 R)
• M5: 1,837,660 km (0.082 R)
• M6: 2,641,898 km (0.101 R)
• M7: 2,977,895 km (0.09 R)
• M8: 3,810,707 km (0.115 R)
• M9: 4,966,799 km (0.089 R)
• M10: 5,539,160 km (0.099 R)
• M11: 6,012,039 km (0.077 R)
• M12: 6,384,239 km (0.057 R)
• M13: 6,926,531 km (0.05 R)
• M14: 7,359,168 km (0.106 R)
• M15: 7,882,312 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.2

Radius: 8.7

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.06 AU - 1.18 AU

Year: 790 Days

Day: 6 Hours

Environment

Temp: -178 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 29,943,226 km

• M1: 108,309 km (0.026 R)
• M2: 392,694 km (0.108 R)
• M3: 721,062 km (0.051 R)
• M4: 1,071,121 km (0.034 R)
• M5: 1,393,355 km (0.07 R)
• M6: 1,716,336 km (0.091 R)
• M7: 2,017,626 km (0.092 R)
• M8: 2,631,576 km (0.08 R)
• M9: 3,094,432 km (0.113 R)
• M10: 3,704,342 km (0.115 R)
• M11: 4,468,488 km (0.074 R)
• M12: 6,076,815 km (0.118 R)
• M13: 6,602,652 km (0.089 R)
• M14: 7,095,128 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.5

Radius: 9.6

Gravity: 10.79 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.39 AU - 1.77 AU

Year: 1324 Days

Day: 13 Hours

Environment

Temp: -201 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 29,943,226 km

• M1: 119,379 km (0.104 R)
• M2: 426,354 km (0.097 R)
• M3: 904,918 km (0.118 R)
• M4: 1,262,456 km (0.096 R)
• M5: 2,018,225 km (0.101 R)
• M6: 2,445,776 km (0.033 R)
• M7: 2,791,496 km (0.031 R)
• M8: 3,185,238 km (0.099 R)
• M9: 4,084,770 km (0.054 R)
• M10: 5,338,400 km (0.059 R)
• M11: 6,403,986 km (0.085 R)
• M12: 6,703,929 km (0.075 R)
• M13: 7,251,757 km (0.12 R)
• M14: 7,688,732 km (0.106 R)
• M15: 8,646,009 km (0.1 R)
• M16: 9,044,238 km (0.108 R)
• M17: 10,110,273 km (0.086 R)
• M18: 11,585,457 km (0.048 R)
• M19: 12,374,736 km (0.079 R)
• M20: 13,976,630 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.4

Radius: 11.9

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.87 AU - 2.91 AU

Year: 3276 Days

Day: 10.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,943,226 km

• M1: 147,952 km (0.078 R)
• M2: 699,220 km (0.105 R)
• M3: 1,346,530 km (0.101 R)
• M4: 2,529,999 km (0.076 R)
• M5: 3,080,220 km (0.069 R)
• M6: 3,534,848 km (0.083 R)
• M7: 4,334,000 km (0.074 R)
• M8: 4,931,195 km (0.115 R)
• M9: 6,121,994 km (0.119 R)
• M10: 6,637,059 km (0.085 R)
• M11: 8,153,383 km (0.114 R)
• M12: 9,174,987 km (0.094 R)
• M13: 9,774,126 km (0.078 R)
• M14: 11,344,306 km (0.095 R)
• M15: 12,034,850 km (0.118 R)
• M16: 13,029,975 km (0.098 R)
• M17: 13,500,011 km (0.102 R)
• M18: 14,226,458 km (0.096 R)
• M19: 15,029,799 km (0.103 R)
• M20: 15,651,976 km (0.082 R)
• M21: 18,372,414 km (0.054 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.5

Radius: 10.8

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.5 AU - 3.86 AU

Year: 4708 Days

Day: 6.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 29,943,226 km

• M1: 134,339 km (0.05 R)
• M2: 478,414 km (0.091 R)
• M3: 939,175 km (0.045 R)
• M4: 1,490,593 km (0.083 R)
• M5: 2,027,799 km (0.093 R)
• M6: 4,398,626 km (0.095 R)
• M7: 4,959,768 km (0.088 R)
• M8: 7,068,051 km (0.064 R)
• M9: 8,058,987 km (0.075 R)
• M10: 8,472,625 km (0.034 R)
• M11: 9,507,244 km (0.103 R)
• M12: 11,682,846 km (0.105 R)
• M13: 12,262,687 km (0.101 R)
• M14: 12,810,814 km (0.045 R)
• M15: 13,637,342 km (0.061 R)
• M16: 14,887,083 km (0.109 R)
• M17: 15,976,005 km (0.111 R)
• M18: 20,517,647 km (0.109 R)
• M19: 25,611,155 km (0.086 R)
• M20: 27,933,363 km (0.099 R)
• M21: 28,535,195 km (0.103 R)
• M22: 29,498,307 km (0.056 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 424 - 12,789 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit