🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.56 AU - 0.65 AU

Year: 300 Days

Day: 25.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 39.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.52 AU - 0.7 AU

Year: 308 Days

Day: 19.1 Hours

Environment

Temp: -129 °C

Axial Tilt: 155.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.48 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.1

Radius: 13.3

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.19 AU - 2.51 AU

Year: 2326 Days

Day: 5.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,276,967 km

• M1: 165,904 km (0.094 R)
• M2: 815,159 km (0.032 R)
• M3: 1,436,588 km (0.068 R)
• M4: 2,122,345 km (0.101 R)
• M5: 2,865,098 km (0.036 R)
• M6: 3,313,443 km (0.117 R)
• M7: 5,153,946 km (0.044 R)
• M8: 8,439,115 km (0.096 R)
• M9: 9,463,561 km (0.055 R)
• M10: 10,875,765 km (0.08 R)
• M11: 12,920,020 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.6

Radius: 11.5

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.4 AU - 3.32 AU

Year: 3123 Days

Day: 6.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,276,967 km

• M1: 143,614 km (0.052 R)
• M2: 557,701 km (0.08 R)
• M3: 1,057,358 km (0.085 R)
• M4: 1,596,808 km (0.071 R)
• M5: 2,015,083 km (0.096 R)
• M6: 2,973,856 km (0.057 R)
• M7: 3,537,242 km (0.084 R)
• M8: 5,692,049 km (0.079 R)
• M9: 6,301,810 km (0.064 R)
• M10: 6,712,307 km (0.077 R)
• M11: 7,457,603 km (0.119 R)
• M12: 7,850,597 km (0.103 R)
• M13: 9,076,552 km (0.06 R)
• M14: 12,534,207 km (0.037 R)
• M15: 12,950,239 km (0.042 R)
• M16: 15,432,367 km (0.057 R)
• M17: 15,857,075 km (0.093 R)
• M18: 18,275,025 km (0.103 R)
• M19: 18,991,450 km (0.076 R)
• M20: 21,713,383 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.4

Radius: 12.7

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 3.03 AU - 3.03 AU

Year: 3405 Days

Day: 12.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,276,967 km

• M1: 157,975 km (0.074 R)
• M2: 595,848 km (0.06 R)
• M3: 1,207,704 km (0.072 R)
• M4: 1,845,140 km (0.112 R)
• M5: 2,667,330 km (0.075 R)
• M6: 3,986,933 km (0.111 R)
• M7: 4,604,323 km (0.074 R)
• M8: 6,816,726 km (0.116 R)
• M9: 7,603,761 km (0.107 R)
• M10: 8,987,840 km (0.105 R)
• M11: 13,899,288 km (0.117 R)
• M12: 15,852,138 km (0.095 R)
• M13: 18,453,496 km (0.079 R)
• M14: 19,793,294 km (0.101 R)
• M15: 23,008,751 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.9

Radius: 10.6

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 5.12 AU - 5.6 AU

Year: 8012 Days

Day: 5.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,276,967 km

• M1: 133,591 km (0.104 R)
• M2: 671,844 km (0.07 R)
• M3: 1,117,795 km (0.115 R)
• M4: 1,535,622 km (0.096 R)
• M5: 1,916,648 km (0.07 R)
• M6: 2,275,384 km (0.066 R)
• M7: 3,025,916 km (0.053 R)
• M8: 4,038,395 km (0.117 R)
• M9: 4,680,917 km (0.111 R)
• M10: 8,222,797 km (0.055 R)
• M11: 11,362,407 km (0.099 R)
• M12: 11,749,716 km (0.114 R)
• M13: 17,907,763 km (0.116 R)
• M14: 19,883,352 km (0.06 R)
• M15: 21,539,101 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 905.8

Radius: 7.6

Gravity: 15.68 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 5.22 AU - 7.6 AU

Year: 10479 Days

Day: 21.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 54,276,967 km

• M1: 97,089 km (0.094 R)
• M2: 471,981 km (0.08 R)
• M3: 1,971,700 km (0.097 R)
• M4: 2,794,787 km (0.114 R)
• M5: 3,383,305 km (0.038 R)
• M6: 3,640,763 km (0.117 R)
• M7: 4,342,527 km (0.119 R)
• M8: 4,709,939 km (0.116 R)
• M9: 4,966,350 km (0.062 R)
• M10: 5,612,912 km (0.115 R)
• M11: 5,974,939 km (0.114 R)
• M12: 6,907,981 km (0.065 R)
• M13: 7,155,715 km (0.081 R)
• M14: 8,024,879 km (0.081 R)
• M15: 8,345,018 km (0.111 R)
• M16: 8,865,469 km (0.085 R)
• M17: 10,502,967 km (0.11 R)
• M18: 12,092,893 km (0.067 R)
• M19: 12,697,867 km (0.061 R)
• M20: 13,196,028 km (0.093 R)
• M21: 15,181,342 km (0.079 R)
• M22: 15,460,342 km (0.103 R)
• M23: 18,283,702 km (0.064 R)
• M24: 23,879,261 km (0.074 R)
• M25: 28,889,294 km (0.114 R)
• M26: 31,299,764 km (0.054 R)
• M27: 32,785,570 km (0.079 R)
• M28: 33,135,031 km (0.096 R)
• M29: 35,773,788 km (0.032 R)
• M30: 38,034,511 km (0.116 R)
• M31: 43,958,287 km (0.117 R)
• M32: 44,810,995 km (0.075 R)
• M33: 45,529,813 km (0.05 R)
• M34: 46,402,716 km (0.038 R)
• M35: 50,005,631 km (0.071 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 526 - 11,123 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit