🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.3

Radius: 8.6

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.46 AU - 0.56 AU

Year: 256 Days

Day: 5.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,491,125 km

• M1: 107,561 km (0.066 R)
• M2: 496,964 km (0.048 R)
• M3: 796,309 km (0.108 R)
• M4: 1,083,388 km (0.061 R)
• M5: 1,376,749 km (0.052 R)
• M6: 1,840,203 km (0.116 R)
• M7: 2,291,540 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.5

Radius: 8.6

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.76 AU - 0.88 AU

Year: 522 Days

Day: 12 Hours

Environment

Temp: -164 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 78,491,125 km

• M1: 106,962 km (0.12 R)
• M2: 411,245 km (0.114 R)
• M3: 1,050,327 km (0.119 R)
• M4: 1,325,736 km (0.057 R)
• M5: 1,667,867 km (0.098 R)
• M6: 2,992,855 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.9

Radius: 9.1

Gravity: 9.89 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.09 AU - 1.11 AU

Year: 811 Days

Day: 10.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,491,125 km

• M1: 113,246 km (0.119 R)
• M2: 430,543 km (0.086 R)
• M3: 724,951 km (0.106 R)
• M4: 1,084,734 km (0.105 R)
• M5: 1,680,134 km (0.113 R)
• M6: 2,027,799 km (0.079 R)
• M7: 2,423,486 km (0.078 R)
• M8: 3,247,620 km (0.103 R)
• M9: 3,976,162 km (0.068 R)
• M10: 4,263,839 km (0.115 R)
• M11: 5,136,892 km (0.114 R)
• M12: 5,556,813 km (0.063 R)
• M13: 6,187,518 km (0.076 R)
• M14: 6,730,259 km (0.108 R)
• M15: 7,210,318 km (0.119 R)
• M16: 7,786,719 km (0.1 R)
• M17: 8,602,775 km (0.101 R)
• M18: 8,977,368 km (0.1 R)
• M19: 9,531,180 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.8

Radius: 12.7

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.07 AU - 1.49 AU

Year: 1018 Days

Day: 7.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,491,125 km

• M1: 167,101 km (0.101 R)
• M2: 637,137 km (0.096 R)
• M3: 1,102,686 km (0.03 R)
• M4: 1,987,109 km (0.119 R)
• M5: 2,652,071 km (0.107 R)
• M6: 4,175,127 km (0.107 R)
• M7: 4,576,049 km (0.086 R)
• M8: 5,253,428 km (0.091 R)
• M9: 6,722,180 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.3

Radius: 9.5

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.36 AU - 1.92 AU

Year: 1476 Days

Day: 6.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 78,491,125 km

• M1: 118,332 km (0.109 R)
• M2: 461,958 km (0.105 R)
• M3: 1,448,257 km (0.079 R)
• M4: 3,627,898 km (0.083 R)
• M5: 4,964,405 km (0.105 R)
• M6: 6,646,484 km (0.029 R)
• M7: 7,229,467 km (0.083 R)
• M8: 8,217,710 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.3

Radius: 9.5

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.88 AU - 2.76 AU

Year: 2484 Days

Day: 13.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,491,125 km

• M1: 122,670 km (0.103 R)
• M2: 421,866 km (0.113 R)
• M3: 855,101 km (0.053 R)
• M4: 1,163,423 km (0.087 R)
• M5: 1,477,877 km (0.11 R)
• M6: 1,781,711 km (0.037 R)
• M7: 2,166,028 km (0.102 R)
• M8: 2,620,207 km (0.051 R)
• M9: 2,957,400 km (0.111 R)
• M10: 3,464,387 km (0.11 R)
• M11: 3,969,280 km (0.043 R)
• M12: 4,395,335 km (0.12 R)
• M13: 5,885,031 km (0.072 R)
• M14: 7,382,805 km (0.115 R)
• M15: 8,028,768 km (0.091 R)
• M16: 8,712,131 km (0.084 R)
• M17: 9,016,563 km (0.115 R)
• M18: 10,419,192 km (0.054 R)
• M19: 13,742,210 km (0.094 R)
• M20: 16,144,303 km (0.08 R)
• M21: 16,553,004 km (0.045 R)
• M22: 18,312,425 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.4

Radius: 13.9

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.49 AU - 3.29 AU

Year: 3453 Days

Day: 14.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,491,125 km

• M1: 172,935 km (0.105 R)
• M2: 942,467 km (0.035 R)
• M3: 2,310,539 km (0.055 R)
• M4: 3,366,550 km (0.093 R)
• M5: 5,647,768 km (0.081 R)
• M6: 6,182,730 km (0.064 R)
• M7: 7,586,258 km (0.067 R)
• M8: 9,423,020 km (0.109 R)
• M9: 10,591,529 km (0.073 R)
• M10: 15,047,003 km (0.037 R)
• M11: 20,358,475 km (0.096 R)
• M12: 23,289,845 km (0.076 R)
• M13: 24,082,714 km (0.074 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.1

Radius: 14.6

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 3.7 AU - 5.66 AU

Year: 7117 Days

Day: 14.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,491,125 km

• M1: 181,612 km (0.086 R)
• M2: 747,989 km (0.117 R)
• M3: 1,575,266 km (0.069 R)
• M4: 2,386,535 km (0.073 R)
• M5: 3,973,170 km (0.07 R)
• M6: 6,868,188 km (0.103 R)
• M7: 7,605,257 km (0.119 R)
• M8: 9,831,422 km (0.081 R)
• M9: 13,135,740 km (0.027 R)
• M10: 14,952,457 km (0.087 R)
• M11: 17,119,532 km (0.104 R)
• M12: 18,016,520 km (0.11 R)
• M13: 19,079,712 km (0.085 R)
• M14: 19,626,792 km (0.078 R)
• M15: 21,772,175 km (0.059 R)
• M16: 24,870,646 km (0.089 R)
• M17: 25,771,824 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 592.6

Radius: 5.2

Gravity: 21.92 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 9.25 AU - 10.93 AU

Year: 22529 Days

Day: 21.2 Hours

Environment

Temp: -244 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,491,125 km

• M1: 64,925 km (0.078 R)
• M2: 888,462 km (0.109 R)
• M3: 1,507,647 km (0.119 R)
• M4: 3,723,790 km (0.099 R)
• M5: 7,452,218 km (0.114 R)
• M6: 8,630,002 km (0.049 R)
• M7: 9,809,282 km (0.119 R)
• M8: 10,902,244 km (0.085 R)
• M9: 17,174,733 km (0.11 R)
• M10: 20,335,886 km (0.048 R)
• M11: 22,103,385 km (0.067 R)
• M12: 29,093,943 km (0.115 R)
• M13: 32,886,848 km (0.059 R)
• M14: 35,038,514 km (0.089 R)
• M15: 44,262,719 km (0.095 R)
• M16: 56,667,673 km (0.062 R)
• M17: 57,619,565 km (0.079 R)
• M18: 63,965,058 km (0.05 R)
• M19: 65,412,567 km (0.079 R)
• M20: 66,881,767 km (0.112 R)
• M21: 73,428,020 km (0.071 R)
• M22: 75,472,126 km (0.109 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 181 - 12,538 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit