🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.45 AU - 0.69 AU

Year: 282 Days

Day: 27.5 Hours

Environment

Temp: -128 °C

Axial Tilt: 38.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 58,884,832 km

• M1: 170,841 km (0.117 R)

Asteroid Belt

Center: 0.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.7

Radius: 10.8

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.19 AU - 1.19 AU

Year: 852 Days

Day: 13 Hours

Environment

Temp: -170 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,884,832 km

• M1: 134,339 km (0.049 R)
• M2: 494,421 km (0.101 R)
• M3: 960,568 km (0.06 R)
• M4: 1,854,415 km (0.096 R)
• M5: 2,843,706 km (0.116 R)
• M6: 4,658,777 km (0.082 R)
• M7: 6,131,867 km (0.097 R)
• M8: 6,986,370 km (0.051 R)
• M9: 7,677,961 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.6

Radius: 11

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.94 AU - 1.56 AU

Year: 917 Days

Day: 14.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,884,832 km

• M1: 137,032 km (0.081 R)
• M2: 515,365 km (0.119 R)
• M3: 913,594 km (0.045 R)
• M4: 1,350,270 km (0.094 R)
• M5: 1,776,176 km (0.051 R)
• M6: 2,158,398 km (0.112 R)
• M7: 2,939,299 km (0.116 R)
• M8: 3,885,206 km (0.081 R)
• M9: 4,247,233 km (0.072 R)
• M10: 5,023,048 km (0.068 R)
• M11: 5,651,359 km (0.069 R)
• M12: 6,370,476 km (0.078 R)
• M13: 7,022,573 km (0.046 R)
• M14: 7,386,844 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.5

Radius: 13.8

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.72 AU - 1.74 AU

Year: 1493 Days

Day: 8.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,884,832 km

• M1: 171,589 km (0.112 R)
• M2: 607,517 km (0.034 R)
• M3: 1,523,654 km (0.093 R)
• M4: 2,296,477 km (0.102 R)
• M5: 3,334,537 km (0.095 R)
• M6: 4,186,796 km (0.092 R)
• M7: 5,374,453 km (0.117 R)
• M8: 5,917,643 km (0.106 R)
• M9: 6,547,450 km (0.12 R)
• M10: 7,603,761 km (0.118 R)
• M11: 8,588,414 km (0.083 R)
• M12: 9,049,026 km (0.101 R)
• M13: 9,820,502 km (0.061 R)
• M14: 10,670,517 km (0.078 R)
• M15: 11,203,534 km (0.067 R)
• M16: 12,246,530 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.5

Radius: 8.8

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.91 AU - 2.23 AU

Year: 1954 Days

Day: 9.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,884,832 km

• M1: 112,946 km (0.098 R)
• M2: 387,010 km (0.093 R)
• M3: 907,610 km (0.115 R)
• M4: 1,263,653 km (0.074 R)
• M5: 2,178,893 km (0.094 R)
• M6: 2,815,731 km (0.077 R)
• M7: 3,424,594 km (0.111 R)
• M8: 4,053,205 km (0.048 R)
• M9: 4,940,170 km (0.096 R)
• M10: 6,100,003 km (0.106 R)
• M11: 6,472,053 km (0.092 R)
• M12: 7,213,460 km (0.111 R)
• M13: 7,831,299 km (0.116 R)
• M14: 8,323,925 km (0.106 R)
• M15: 9,690,501 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.1

Radius: 9.2

Gravity: 7.46 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.84 AU - 2.56 AU

Year: 2141 Days

Day: 8.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 75.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,884,832 km

• M1: 114,442 km (0.109 R)
• M2: 429,944 km (0.08 R)
• M3: 721,062 km (0.083 R)
• M4: 1,183,319 km (0.074 R)
• M5: 1,469,500 km (0.1 R)
• M6: 1,879,697 km (0.074 R)
• M7: 2,458,641 km (0.061 R)
• M8: 3,249,266 km (0.092 R)
• M9: 3,858,428 km (0.065 R)
• M10: 4,219,857 km (0.091 R)
• M11: 4,923,416 km (0.057 R)
• M12: 5,442,221 km (0.113 R)
• M13: 5,824,294 km (0.112 R)
• M14: 6,198,737 km (0.05 R)
• M15: 8,010,816 km (0.093 R)
• M16: 11,067,400 km (0.032 R)
• M17: 11,839,325 km (0.03 R)
• M18: 15,010,052 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.3

Radius: 10.2

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 4.29 AU - 5.03 AU

Year: 6599 Days

Day: 7.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 58,884,832 km

• M1: 158,873 km (0.083 R)
• M2: 536,009 km (0.091 R)
• M3: 930,200 km (0.07 R)
• M4: 1,596,508 km (0.027 R)
• M5: 2,327,892 km (0.111 R)
• M6: 2,877,365 km (0.066 R)
• M7: 3,204,686 km (0.051 R)
• M8: 3,534,100 km (0.1 R)
• M9: 3,935,022 km (0.113 R)
• M10: 4,999,860 km (0.071 R)
• M11: 5,354,108 km (0.112 R)
• M12: 6,450,211 km (0.085 R)
• M13: 6,799,522 km (0.08 R)
• M14: 7,384,749 km (0.104 R)
• M15: 9,038,255 km (0.069 R)
• M16: 10,253,887 km (0.109 R)
• M17: 10,730,805 km (0.1 R)
• M18: 12,040,235 km (0.113 R)
• M19: 13,284,740 km (0.039 R)
• M20: 15,587,949 km (0.095 R)
• M21: 16,155,074 km (0.056 R)
• M22: 16,801,337 km (0.111 R)
• M23: 19,632,477 km (0.089 R)
• M24: 20,145,747 km (0.116 R)
• M25: 20,894,484 km (0.109 R)
• M26: 21,275,809 km (0.099 R)
• M27: 22,209,898 km (0.101 R)
• M28: 24,919,415 km (0.042 R)
• M29: 25,262,144 km (0.053 R)
• M30: 25,782,295 km (0.033 R)
• M31: 27,934,111 km (0.098 R)
• M32: 31,183,676 km (0.103 R)
• M33: 34,464,507 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 506.9

Radius: 5.4

Gravity: 17.38 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 8.35 AU - 8.35 AU

Year: 15828 Days

Day: 21.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,884,832 km

• M1: 67,169 km (0.094 R)
• M2: 235,617 km (0.08 R)
• M3: 792,121 km (0.055 R)
• M4: 2,142,690 km (0.104 R)
• M5: 3,168,932 km (0.112 R)
• M6: 3,859,775 km (0.1 R)
• M7: 6,450,660 km (0.098 R)
• M8: 7,029,454 km (0.09 R)
• M9: 8,242,394 km (0.111 R)
• M10: 8,578,241 km (0.066 R)
• M11: 9,588,476 km (0.093 R)
• M12: 14,914,908 km (0.048 R)
• M13: 15,776,741 km (0.047 R)
• M14: 27,979,140 km (0.115 R)
• M15: 28,194,411 km (0.114 R)
• M16: 34,064,333 km (0.097 R)
• M17: 36,572,341 km (0.112 R)
• M18: 45,125,151 km (0.119 R)
• M19: 45,718,605 km (0.045 R)
• M20: 48,299,169 km (0.097 R)
• M21: 52,268,000 km (0.102 R)
• M22: 55,765,449 km (0.068 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 330 - 18,308 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit