🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.49 AU - 0.63 AU

Year: 275 Days

Day: 27.4 Hours

Environment

Temp: -120 °C

Axial Tilt: 24.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.8

Radius: 13.5

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.6 AU - 0.9 AU

Year: 426 Days

Day: 14.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,458,050 km

• M1: 167,998 km (0.092 R)
• M2: 627,264 km (0.09 R)
• M3: 1,088,474 km (0.108 R)
• M4: 1,832,275 km (0.108 R)
• M5: 2,306,949 km (0.048 R)
• M6: 3,039,530 km (0.085 R)
• M7: 3,473,812 km (0.039 R)
• M8: 4,281,491 km (0.066 R)
• M9: 5,130,160 km (0.117 R)
• M10: 5,838,057 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.2

Radius: 14

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.79 AU - 0.97 AU

Year: 542 Days

Day: 11.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,458,050 km

• M1: 174,282 km (0.118 R)
• M2: 688,898 km (0.088 R)
• M3: 1,182,571 km (0.106 R)
• M4: 2,003,863 km (0.055 R)
• M5: 2,584,752 km (0.073 R)
• M6: 3,145,894 km (0.042 R)
• M7: 3,590,349 km (0.111 R)
• M8: 5,387,767 km (0.117 R)
• M9: 6,407,127 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.1

Radius: 14.4

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.51 AU - 2.09 AU

Year: 1584 Days

Day: 14.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,458,050 km

• M1: 179,218 km (0.05 R)
• M2: 747,241 km (0.084 R)
• M3: 1,242,410 km (0.07 R)
• M4: 1,861,446 km (0.112 R)
• M5: 2,519,677 km (0.105 R)
• M6: 3,261,383 km (0.118 R)
• M7: 4,016,553 km (0.11 R)
• M8: 4,513,667 km (0.116 R)
• M9: 5,317,606 km (0.103 R)
• M10: 6,700,937 km (0.042 R)
• M11: 7,355,877 km (0.095 R)
• M12: 9,097,495 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.1

Radius: 12.1

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.63 AU - 2.39 AU

Year: 1869 Days

Day: 14.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,458,050 km

• M1: 150,495 km (0.053 R)
• M2: 768,634 km (0.094 R)
• M3: 1,554,172 km (0.093 R)
• M4: 2,299,918 km (0.026 R)
• M5: 2,719,540 km (0.083 R)
• M6: 4,047,370 km (0.108 R)
• M7: 4,540,595 km (0.103 R)
• M8: 5,275,569 km (0.096 R)
• M9: 5,865,433 km (0.079 R)
• M10: 6,846,197 km (0.077 R)
• M11: 7,549,008 km (0.044 R)
• M12: 8,268,424 km (0.049 R)
• M13: 9,098,692 km (0.116 R)
• M14: 9,948,707 km (0.058 R)
• M15: 12,693,978 km (0.045 R)
• M16: 14,062,798 km (0.105 R)
• M17: 14,646,080 km (0.112 R)
• M18: 15,480,388 km (0.069 R)
• M19: 16,542,832 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.3

Radius: 13.4

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.81 AU - 2.81 AU

Year: 2303 Days

Day: 13.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,458,050 km

• M1: 166,652 km (0.109 R)
• M2: 623,674 km (0.115 R)
• M3: 1,272,629 km (0.038 R)
• M4: 1,714,541 km (0.071 R)
• M5: 2,170,516 km (0.085 R)
• M6: 2,619,758 km (0.098 R)
• M7: 3,082,464 km (0.089 R)
• M8: 4,115,288 km (0.051 R)
• M9: 5,295,166 km (0.103 R)
• M10: 6,333,226 km (0.102 R)
• M11: 7,502,632 km (0.106 R)
• M12: 8,946,701 km (0.061 R)
• M13: 9,934,495 km (0.113 R)
• M14: 11,713,513 km (0.071 R)
• M15: 12,168,740 km (0.099 R)
• M16: 13,381,081 km (0.095 R)
• M17: 14,341,948 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 886.9

Radius: 5.7

Gravity: 27.3 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 6.39 AU - 8.31 AU

Year: 13072 Days

Day: 18.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,458,050 km

• M1: 71,209 km (0.064 R)
• M2: 382,821 km (0.073 R)
• M3: 1,069,326 km (0.088 R)
• M4: 1,455,138 km (0.102 R)
• M5: 1,705,266 km (0.097 R)
• M6: 2,700,092 km (0.113 R)
• M7: 6,841,859 km (0.037 R)
• M8: 8,395,433 km (0.09 R)
• M9: 12,689,490 km (0.074 R)
• M10: 16,120,517 km (0.101 R)
• M11: 18,834,671 km (0.1 R)
• M12: 19,774,146 km (0.055 R)
• M13: 21,469,688 km (0.039 R)
• M14: 27,241,772 km (0.071 R)
• M15: 29,676,777 km (0.119 R)
• M16: 32,737,250 km (0.075 R)
• M17: 33,472,224 km (0.12 R)
• M18: 34,595,106 km (0.118 R)
• M19: 47,706,761 km (0.111 R)
• M20: 52,887,335 km (0.112 R)
• M21: 61,898,213 km (0.119 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 162 - 10,543 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit