🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.6

Radius: 12.9

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.53 AU - 0.83 AU

Year: 368 Days

Day: 11.6 Hours

Environment

Temp: -131 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 37,216,717 km

• M1: 160,519 km (0.049 R)
• M2: 704,157 km (0.087 R)
• M3: 1,988,455 km (0.104 R)
• M4: 2,987,170 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.7

Radius: 13.6

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.79 AU - 0.85 AU

Year: 487 Days

Day: 10.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,216,717 km

• M1: 169,195 km (0.095 R)
• M2: 593,455 km (0.03 R)
• M3: 1,214,884 km (0.082 R)
• M4: 1,659,040 km (0.047 R)
• M5: 2,124,888 km (0.098 R)
• M6: 2,596,869 km (0.076 R)
• M7: 3,268,713 km (0.072 R)
• M8: 3,731,120 km (0.1 R)
• M9: 4,605,071 km (0.108 R)
• M10: 5,716,284 km (0.116 R)
• M11: 6,681,191 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.6

Radius: 12.6

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.92 AU - 0.96 AU

Year: 598 Days

Day: 6.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,216,717 km

• M1: 156,928 km (0.028 R)
• M2: 711,039 km (0.099 R)
• M3: 1,292,077 km (0.108 R)
• M4: 1,736,682 km (0.071 R)
• M5: 2,669,275 km (0.073 R)
• M6: 3,121,808 km (0.117 R)
• M7: 3,773,307 km (0.117 R)
• M8: 4,829,917 km (0.102 R)
• M9: 5,868,874 km (0.109 R)
• M10: 6,660,845 km (0.11 R)
• M11: 7,263,126 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852

Radius: 12.6

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.85 AU - 2.49 AU

Year: 2097 Days

Day: 7.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,216,717 km

• M1: 156,629 km (0.06 R)
• M2: 1,455,288 km (0.114 R)
• M3: 3,639,866 km (0.111 R)
• M4: 4,455,773 km (0.083 R)
• M5: 4,863,128 km (0.093 R)
• M6: 5,319,102 km (0.084 R)
• M7: 7,585,360 km (0.036 R)
• M8: 9,186,057 km (0.103 R)
• M9: 11,750,464 km (0.091 R)
• M10: 12,787,476 km (0.097 R)
• M11: 13,660,380 km (0.117 R)
• M12: 15,138,856 km (0.057 R)
• M13: 15,867,697 km (0.088 R)
• M14: 16,721,751 km (0.112 R)
• M15: 17,872,158 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701

Radius: 9.3

Gravity: 8.1 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.18 AU - 3.34 AU

Year: 3008 Days

Day: 14.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 37,216,717 km

• M1: 115,639 km (0.093 R)
• M2: 594,203 km (0.102 R)
• M3: 1,016,817 km (0.118 R)
• M4: 1,375,552 km (0.059 R)
• M5: 1,690,905 km (0.077 R)
• M6: 2,187,869 km (0.056 R)
• M7: 2,860,610 km (0.099 R)
• M8: 3,254,651 km (0.054 R)
• M9: 3,588,105 km (0.086 R)
• M10: 4,110,201 km (0.068 R)
• M11: 4,751,378 km (0.036 R)
• M12: 5,084,084 km (0.049 R)
• M13: 5,638,493 km (0.117 R)
• M14: 5,930,359 km (0.102 R)
• M15: 6,401,742 km (0.084 R)
• M16: 6,719,787 km (0.11 R)
• M17: 7,232,159 km (0.044 R)
• M18: 7,705,786 km (0.058 R)
• M19: 8,233,568 km (0.099 R)
• M20: 9,962,769 km (0.091 R)
• M21: 12,582,827 km (0.106 R)
• M22: 17,577,151 km (0.03 R)
• M23: 17,916,589 km (0.114 R)
• M24: 19,318,321 km (0.054 R)
• M25: 19,619,312 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.1

Radius: 9

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.54 AU - 3.82 AU

Year: 3720 Days

Day: 6.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,216,717 km

• M1: 111,899 km (0.113 R)
• M2: 474,225 km (0.097 R)
• M3: 1,047,185 km (0.109 R)
• M4: 1,995,486 km (0.078 R)
• M5: 2,654,315 km (0.097 R)
• M6: 3,650,487 km (0.064 R)
• M7: 4,233,769 km (0.098 R)
• M8: 5,200,022 km (0.051 R)
• M9: 6,226,563 km (0.082 R)
• M10: 6,551,190 km (0.052 R)
• M11: 7,870,494 km (0.078 R)
• M12: 8,412,337 km (0.116 R)
• M13: 8,843,329 km (0.079 R)
• M14: 9,254,124 km (0.108 R)
• M15: 9,749,592 km (0.092 R)
• M16: 10,225,164 km (0.038 R)
• M17: 14,324,146 km (0.116 R)
• M18: 15,770,009 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.5

Radius: 9.1

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.48 AU - 3.54 AU

Year: 4314 Days

Day: 6.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,216,717 km

• M1: 113,246 km (0.032 R)
• M2: 525,687 km (0.068 R)
• M3: 810,671 km (0.067 R)
• M4: 1,571,526 km (0.049 R)
• M5: 1,857,557 km (0.089 R)
• M6: 2,383,393 km (0.078 R)
• M7: 3,076,929 km (0.101 R)
• M8: 3,490,717 km (0.116 R)
• M9: 3,856,633 km (0.07 R)
• M10: 5,213,785 km (0.03 R)
• M11: 6,348,634 km (0.088 R)
• M12: 7,021,526 km (0.059 R)
• M13: 7,310,250 km (0.088 R)
• M14: 7,673,922 km (0.083 R)
• M15: 9,795,220 km (0.067 R)
• M16: 10,609,631 km (0.068 R)
• M17: 11,249,461 km (0.112 R)
• M18: 14,170,060 km (0.106 R)
• M19: 15,157,705 km (0.091 R)
• M20: 15,695,509 km (0.074 R)
• M21: 16,246,179 km (0.096 R)
• M22: 17,620,086 km (0.04 R)
• M23: 21,124,566 km (0.114 R)

Asteroid Belt

Center: 3.96 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.7

Radius: 9.6

Gravity: 9.43 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 3.44 AU - 5.38 AU

Year: 6075 Days

Day: 12.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 37,216,717 km

• M1: 119,379 km (0.099 R)
• M2: 857,645 km (0.106 R)
• M3: 1,392,906 km (0.064 R)
• M4: 1,723,667 km (0.072 R)
• M5: 2,286,304 km (0.085 R)
• M6: 2,657,457 km (0.117 R)
• M7: 3,236,550 km (0.1 R)
• M8: 4,020,293 km (0.118 R)
• M9: 5,186,558 km (0.065 R)
• M10: 5,832,073 km (0.101 R)
• M11: 6,461,282 km (0.082 R)
• M12: 7,098,569 km (0.038 R)
• M13: 11,028,953 km (0.11 R)
• M14: 12,519,397 km (0.108 R)
• M15: 14,969,960 km (0.102 R)
• M16: 15,644,945 km (0.046 R)
• M17: 16,339,977 km (0.101 R)
• M18: 17,996,175 km (0.057 R)
• M19: 21,407,904 km (0.073 R)
• M20: 25,142,465 km (0.105 R)
• M21: 28,352,237 km (0.105 R)
• M22: 30,248,540 km (0.066 R)
• M23: 31,925,682 km (0.048 R)
• M24: 33,664,009 km (0.094 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 15,879 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit