🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.7

Radius: 14.6

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.13 AU - 1.13 AU

Year: 801 Days

Day: 13.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 24,459,758 km

• M1: 181,612 km (0.073 R)
• M2: 680,222 km (0.068 R)
• M3: 1,211,144 km (0.108 R)
• M4: 1,672,055 km (0.096 R)
• M5: 2,166,327 km (0.087 R)
• M6: 2,944,684 km (0.086 R)
• M7: 3,407,092 km (0.05 R)
• M8: 4,035,702 km (0.091 R)
• M9: 4,976,822 km (0.095 R)
• M10: 5,490,840 km (0.104 R)
• M11: 6,965,875 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.8

Radius: 11

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.83 AU - 2.17 AU

Year: 1886 Days

Day: 12.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 24,459,758 km

• M1: 139,126 km (0.108 R)
• M2: 484,248 km (0.092 R)
• M3: 847,771 km (0.06 R)
• M4: 1,530,087 km (0.064 R)
• M5: 4,236,911 km (0.077 R)
• M6: 5,008,836 km (0.099 R)
• M7: 5,497,123 km (0.069 R)
• M8: 5,872,165 km (0.11 R)
• M9: 6,517,979 km (0.111 R)
• M10: 11,813,145 km (0.111 R)
• M11: 12,320,731 km (0.095 R)
• M12: 13,717,377 km (0.091 R)
• M13: 15,538,731 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.3

Radius: 10.8

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.34 AU - 2.42 AU

Year: 2448 Days

Day: 6.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 24,459,758 km

• M1: 136,134 km (0.099 R)
• M2: 597,344 km (0.118 R)
• M3: 981,811 km (0.083 R)
• M4: 1,474,287 km (0.07 R)
• M5: 1,953,599 km (0.113 R)
• M6: 2,313,381 km (0.089 R)
• M7: 3,573,145 km (0.07 R)
• M8: 4,081,329 km (0.114 R)
• M9: 4,522,194 km (0.077 R)
• M10: 4,913,841 km (0.034 R)
• M11: 5,392,106 km (0.091 R)
• M12: 6,132,615 km (0.114 R)
• M13: 7,223,782 km (0.115 R)
• M14: 9,851,917 km (0.112 R)
• M15: 10,751,001 km (0.089 R)
• M16: 11,309,001 km (0.055 R)
• M17: 12,219,603 km (0.086 R)
• M18: 13,021,597 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114

Radius: 8.9

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.61 AU - 3.01 AU

Year: 3141 Days

Day: 9.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 24,459,758 km

• M1: 110,702 km (0.058 R)
• M2: 393,143 km (0.094 R)
• M3: 1,111,213 km (0.098 R)
• M4: 1,388,268 km (0.075 R)
• M5: 1,948,961 km (0.07 R)
• M6: 2,265,061 km (0.087 R)
• M7: 3,410,831 km (0.08 R)
• M8: 3,906,748 km (0.114 R)
• M9: 4,884,819 km (0.079 R)
• M10: 5,265,247 km (0.099 R)
• M11: 5,752,038 km (0.082 R)
• M12: 6,062,903 km (0.113 R)
• M13: 7,088,695 km (0.097 R)
• M14: 7,682,898 km (0.07 R)
• M15: 8,736,815 km (0.115 R)
• M16: 10,428,767 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.6

Radius: 12.4

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.59 AU - 3.23 AU

Year: 3310 Days

Day: 5.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 24,459,758 km

• M1: 155,283 km (0.093 R)
• M2: 672,742 km (0.089 R)
• M3: 1,181,374 km (0.064 R)
• M4: 1,599,949 km (0.101 R)
• M5: 2,426,477 km (0.078 R)
• M6: 2,857,918 km (0.078 R)
• M7: 3,501,637 km (0.111 R)
• M8: 3,956,714 km (0.11 R)
• M9: 4,537,603 km (0.101 R)
• M10: 4,963,657 km (0.106 R)
• M11: 5,870,968 km (0.032 R)
• M12: 6,885,691 km (0.102 R)
• M13: 7,420,054 km (0.083 R)
• M14: 8,405,156 km (0.083 R)
• M15: 8,946,850 km (0.104 R)
• M16: 9,876,601 km (0.117 R)
• M17: 10,634,913 km (0.103 R)
• M18: 12,054,896 km (0.088 R)
• M19: 13,054,509 km (0.094 R)
• M20: 13,782,003 km (0.12 R)
• M21: 19,186,675 km (0.075 R)
• M22: 19,712,063 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.6

Radius: 13.6

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.81 AU - 3.23 AU

Year: 3500 Days

Day: 6.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 24,459,758 km

• M1: 169,195 km (0.115 R)
• M2: 897,438 km (0.082 R)
• M3: 2,270,596 km (0.118 R)
• M4: 2,971,163 km (0.09 R)
• M5: 3,484,284 km (0.112 R)
• M6: 4,056,496 km (0.107 R)
• M7: 6,215,642 km (0.096 R)
• M8: 6,791,145 km (0.086 R)
• M9: 7,688,732 km (0.108 R)
• M10: 9,494,977 km (0.099 R)
• M11: 11,526,815 km (0.112 R)
• M12: 13,265,591 km (0.081 R)
• M13: 13,882,383 km (0.071 R)
• M14: 14,468,657 km (0.08 R)
• M15: 18,224,013 km (0.079 R)
• M16: 19,046,352 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382

Radius: 14.4

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.71 AU - 3.83 AU

Year: 4881 Days

Day: 9.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,459,758 km

• M1: 179,517 km (0.119 R)
• M2: 673,041 km (0.104 R)
• M3: 1,641,687 km (0.11 R)
• M4: 2,864,350 km (0.094 R)
• M5: 3,418,910 km (0.084 R)
• M6: 4,240,800 km (0.05 R)
• M7: 5,744,708 km (0.061 R)
• M8: 6,755,241 km (0.107 R)
• M9: 9,820,053 km (0.043 R)
• M10: 10,340,803 km (0.083 R)
• M11: 13,323,336 km (0.072 R)
• M12: 14,673,307 km (0.12 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 315 - 19,629 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit