🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812

Radius: 9.9

Gravity: 8.28 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.02 AU - 1.58 AU

Year: 1005 Days

Day: 7.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,485,794 km

• M1: 123,119 km (0.102 R)
• M2: 545,583 km (0.103 R)
• M3: 955,631 km (0.078 R)
• M4: 1,383,481 km (0.104 R)
• M5: 1,765,255 km (0.081 R)
• M6: 2,430,666 km (0.032 R)
• M7: 2,834,880 km (0.098 R)
• M8: 3,156,665 km (0.057 R)
• M9: 4,004,585 km (0.094 R)
• M10: 4,429,294 km (0.03 R)
• M11: 4,753,472 km (0.107 R)
• M12: 6,168,519 km (0.114 R)
• M13: 6,949,120 km (0.079 R)
• M14: 7,513,553 km (0.072 R)
• M15: 8,458,264 km (0.109 R)
• M16: 8,818,196 km (0.102 R)
• M17: 9,808,235 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.8

Radius: 14.9

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.04 AU - 1.7 AU

Year: 1088 Days

Day: 13.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,485,794 km

• M1: 185,352 km (0.084 R)
• M2: 677,828 km (0.05 R)
• M3: 1,144,125 km (0.066 R)
• M4: 1,696,440 km (0.067 R)
• M5: 2,684,085 km (0.104 R)
• M6: 3,170,577 km (0.111 R)
• M7: 3,901,812 km (0.095 R)
• M8: 4,870,607 km (0.104 R)
• M9: 5,541,704 km (0.079 R)
• M10: 6,428,071 km (0.077 R)
• M11: 6,952,561 km (0.108 R)
• M12: 7,629,641 km (0.097 R)
• M13: 8,297,446 km (0.054 R)
• M14: 9,662,227 km (0.079 R)
• M15: 10,291,137 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.1

Radius: 14.5

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.12 AU - 1.72 AU

Year: 1148 Days

Day: 6 Hours

Environment

Temp: -194 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,485,794 km

• M1: 180,265 km (0.053 R)
• M2: 657,782 km (0.095 R)
• M3: 1,342,342 km (0.115 R)
• M4: 2,118,007 km (0.086 R)
• M5: 2,884,845 km (0.096 R)
• M6: 3,953,273 km (0.114 R)
• M7: 4,537,004 km (0.103 R)
• M8: 5,215,281 km (0.045 R)
• M9: 5,677,987 km (0.091 R)
• M10: 6,402,340 km (0.099 R)
• M11: 6,934,011 km (0.084 R)
• M12: 8,682,810 km (0.027 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.8

Radius: 11.3

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.7 AU - 2.02 AU

Year: 1721 Days

Day: 6.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,485,794 km

• M1: 140,472 km (0.103 R)
• M2: 508,782 km (0.118 R)
• M3: 881,131 km (0.036 R)
• M4: 1,603,839 km (0.095 R)
• M5: 2,049,790 km (0.12 R)
• M6: 2,702,785 km (0.078 R)
• M7: 3,164,593 km (0.115 R)
• M8: 3,748,923 km (0.099 R)
• M9: 4,325,473 km (0.086 R)
• M10: 6,755,092 km (0.113 R)
• M11: 8,725,146 km (0.046 R)
• M12: 9,773,827 km (0.098 R)
• M13: 10,399,595 km (0.046 R)
• M14: 11,426,136 km (0.106 R)
• M15: 13,215,326 km (0.113 R)
• M16: 13,765,398 km (0.115 R)
• M17: 14,463,272 km (0.07 R)
• M18: 15,276,336 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.1

Radius: 11.5

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.25 AU - 2.37 AU

Year: 2381 Days

Day: 13.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,485,794 km

• M1: 143,913 km (0.112 R)
• M2: 1,033,721 km (0.077 R)
• M3: 1,439,580 km (0.094 R)
• M4: 1,999,376 km (0.105 R)
• M5: 2,615,120 km (0.083 R)
• M6: 3,594,388 km (0.078 R)
• M7: 5,043,243 km (0.09 R)
• M8: 6,036,274 km (0.113 R)
• M9: 6,633,020 km (0.12 R)
• M10: 7,354,531 km (0.047 R)
• M11: 7,734,509 km (0.066 R)
• M12: 8,758,507 km (0.092 R)
• M13: 10,297,719 km (0.109 R)
• M14: 10,663,037 km (0.047 R)
• M15: 12,745,739 km (0.077 R)
• M16: 13,252,576 km (0.025 R)
• M17: 13,728,896 km (0.111 R)
• M18: 14,216,734 km (0.087 R)
• M19: 15,274,092 km (0.119 R)
• M20: 16,088,802 km (0.073 R)
• M21: 16,932,235 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787

Radius: 13.8

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.64 AU - 3.8 AU

Year: 4866 Days

Day: 13.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,485,794 km

• M1: 173,234 km (0.1 R)
• M2: 1,137,093 km (0.057 R)
• M3: 2,104,244 km (0.084 R)
• M4: 4,220,904 km (0.086 R)
• M5: 4,666,855 km (0.107 R)
• M6: 6,580,062 km (0.096 R)
• M7: 7,462,091 km (0.108 R)
• M8: 9,214,331 km (0.11 R)
• M9: 9,926,716 km (0.054 R)
• M10: 10,720,931 km (0.048 R)
• M11: 11,748,669 km (0.057 R)
• M12: 12,386,255 km (0.098 R)
• M13: 13,150,550 km (0.086 R)
• M14: 14,054,421 km (0.109 R)
• M15: 14,717,139 km (0.118 R)
• M16: 22,020,358 km (0.084 R)
• M17: 23,294,932 km (0.096 R)
• M18: 29,690,540 km (0.074 R)
• M19: 30,233,281 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.7

Radius: 14.4

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 4.46 AU - 5.04 AU

Year: 7022 Days

Day: 10.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,485,794 km

• M1: 179,368 km (0.028 R)
• M2: 1,554,023 km (0.071 R)
• M3: 2,097,661 km (0.06 R)
• M4: 3,694,768 km (0.091 R)
• M5: 4,465,347 km (0.105 R)
• M6: 6,095,216 km (0.07 R)
• M7: 7,027,659 km (0.115 R)
• M8: 7,509,664 km (0.104 R)
• M9: 9,618,395 km (0.064 R)
• M10: 10,785,408 km (0.076 R)
• M11: 12,308,015 km (0.094 R)
• M12: 13,010,826 km (0.111 R)
• M13: 14,854,919 km (0.063 R)
• M14: 16,029,262 km (0.091 R)
• M15: 16,999,404 km (0.038 R)
• M16: 17,532,721 km (0.078 R)
• M17: 21,352,553 km (0.053 R)
• M18: 23,333,827 km (0.075 R)
• M19: 24,834,443 km (0.068 R)
• M20: 31,986,269 km (0.057 R)
• M21: 32,902,705 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 678.7

Radius: 7.5

Gravity: 12.07 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 5.5 AU - 7.96 AU

Year: 11842 Days

Day: 23.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,485,794 km

• M1: 93,349 km (0.067 R)
• M2: 350,957 km (0.036 R)
• M3: 734,526 km (0.032 R)
• M4: 1,381,985 km (0.111 R)
• M5: 1,892,563 km (0.084 R)
• M6: 2,797,779 km (0.086 R)
• M7: 3,854,539 km (0.066 R)
• M8: 4,518,604 km (0.033 R)
• M9: 5,566,238 km (0.086 R)
• M10: 5,998,127 km (0.105 R)
• M11: 7,600,619 km (0.095 R)
• M12: 8,361,324 km (0.097 R)
• M13: 12,756,659 km (0.108 R)
• M14: 14,287,494 km (0.025 R)
• M15: 14,621,247 km (0.073 R)
• M16: 15,028,602 km (0.11 R)
• M17: 19,609,588 km (0.073 R)
• M18: 21,817,054 km (0.045 R)
• M19: 22,438,484 km (0.082 R)
• M20: 23,071,732 km (0.093 R)
• M21: 24,090,792 km (0.12 R)
• M22: 28,784,725 km (0.106 R)
• M23: 29,210,331 km (0.073 R)
• M24: 30,622,385 km (0.091 R)
• M25: 31,852,379 km (0.112 R)
• M26: 33,231,372 km (0.111 R)
• M27: 39,800,065 km (0.076 R)
• M28: 40,594,130 km (0.106 R)
• M29: 53,325,807 km (0.112 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 250 - 15,035 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit