🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19

Radius: 13.4

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.78 AU - 1.06 AU

Year: 599 Days

Day: 12.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 45,675,602 km

• M1: 169,644 km (0.103 R)
• M2: 694,882 km (0.049 R)
• M3: 2,201,632 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.9

Radius: 13.3

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.23 AU - 1.49 AU

Year: 1076 Days

Day: 8.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,675,602 km

• M1: 165,605 km (0.11 R)
• M2: 596,297 km (0.03 R)
• M3: 1,033,272 km (0.03 R)
• M4: 1,495,979 km (0.062 R)
• M5: 1,964,519 km (0.098 R)
• M6: 2,448,020 km (0.115 R)
• M7: 3,108,345 km (0.05 R)
• M8: 4,119,925 km (0.075 R)
• M9: 5,485,006 km (0.061 R)
• M10: 6,113,167 km (0.084 R)
• M11: 8,152,785 km (0.086 R)
• M12: 8,598,437 km (0.114 R)
• M13: 9,208,198 km (0.071 R)
• M14: 9,815,565 km (0.048 R)
• M15: 11,246,319 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.9

Radius: 9.8

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.31 AU - 1.59 AU

Year: 1184 Days

Day: 12.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,675,602 km

• M1: 121,922 km (0.073 R)
• M2: 526,136 km (0.094 R)
• M3: 865,573 km (0.093 R)
• M4: 1,215,782 km (0.116 R)
• M5: 2,044,853 km (0.12 R)
• M6: 2,463,428 km (0.08 R)
• M7: 2,859,862 km (0.108 R)
• M8: 3,549,658 km (0.108 R)
• M9: 3,877,577 km (0.111 R)
• M10: 4,505,140 km (0.115 R)
• M11: 5,418,584 km (0.107 R)
• M12: 5,984,214 km (0.098 R)
• M13: 6,917,705 km (0.12 R)
• M14: 7,558,283 km (0.042 R)
• M15: 10,115,359 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.8

Radius: 9.5

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.28 AU - 2.04 AU

Year: 1451 Days

Day: 13 Hours

Environment

Temp: -197 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,675,602 km

• M1: 118,332 km (0.089 R)
• M2: 437,723 km (0.088 R)
• M3: 762,201 km (0.097 R)
• M4: 1,269,338 km (0.065 R)
• M5: 2,868,838 km (0.086 R)
• M6: 3,170,577 km (0.106 R)
• M7: 3,742,490 km (0.109 R)
• M8: 4,189,488 km (0.119 R)
• M9: 4,765,291 km (0.051 R)
• M10: 6,981,583 km (0.061 R)
• M11: 7,843,865 km (0.094 R)
• M12: 8,662,166 km (0.091 R)
• M13: 9,902,033 km (0.086 R)
• M14: 10,308,789 km (0.081 R)
• M15: 10,890,276 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.5

Radius: 12.5

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.12 AU - 2.7 AU

Year: 2538 Days

Day: 10.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 150.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,675,602 km

• M1: 155,432 km (0.088 R)
• M2: 645,964 km (0.097 R)
• M3: 1,730,698 km (0.051 R)
• M4: 2,214,048 km (0.077 R)
• M5: 2,671,070 km (0.11 R)
• M6: 3,493,409 km (0.053 R)
• M7: 4,375,588 km (0.038 R)
• M8: 4,815,406 km (0.111 R)
• M9: 5,377,744 km (0.104 R)
• M10: 5,858,701 km (0.091 R)
• M11: 6,500,476 km (0.098 R)
• M12: 7,447,880 km (0.05 R)
• M13: 8,077,836 km (0.048 R)
• M14: 9,005,792 km (0.053 R)
• M15: 9,721,169 km (0.073 R)
• M16: 10,474,245 km (0.104 R)
• M17: 11,616,873 km (0.08 R)
• M18: 13,397,537 km (0.05 R)
• M19: 13,925,318 km (0.04 R)
• M20: 14,650,718 km (0.098 R)
• M21: 16,374,983 km (0.111 R)
• M22: 17,132,098 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.3

Radius: 14.7

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.48 AU - 3.56 AU

Year: 4479 Days

Day: 8.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,675,602 km

• M1: 183,257 km (0.05 R)
• M2: 1,246,300 km (0.108 R)
• M3: 3,236,700 km (0.088 R)
• M4: 3,898,221 km (0.034 R)
• M5: 4,495,715 km (0.058 R)
• M6: 7,805,119 km (0.05 R)
• M7: 12,179,361 km (0.078 R)
• M8: 13,281,299 km (0.117 R)
• M9: 17,257,012 km (0.113 R)
• M10: 19,633,673 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 489.2

Radius: 5.6

Gravity: 15.6 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 5.74 AU - 7.08 AU

Year: 11007 Days

Day: 20.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,675,602 km

• M1: 72,555 km (0.093 R)
• M2: 462,557 km (0.104 R)
• M3: 676,781 km (0.045 R)
• M4: 1,926,222 km (0.082 R)
• M5: 2,287,351 km (0.089 R)
• M6: 2,493,946 km (0.119 R)
• M7: 3,448,530 km (0.097 R)
• M8: 4,479,858 km (0.105 R)
• M9: 5,144,820 km (0.047 R)
• M10: 7,866,155 km (0.045 R)
• M11: 12,652,090 km (0.099 R)
• M12: 14,033,327 km (0.085 R)
• M13: 16,323,671 km (0.05 R)
• M14: 18,252,137 km (0.088 R)
• M15: 19,079,712 km (0.053 R)
• M16: 20,089,498 km (0.074 R)
• M17: 22,469,899 km (0.082 R)
• M18: 25,031,763 km (0.087 R)
• M19: 37,109,248 km (0.103 R)
• M20: 41,308,011 km (0.086 R)
• M21: 44,995,000 km (0.074 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 294 - 11,796 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit