🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.52 AU - 0.54 AU

Year: 142 Days

Day: 19.6 Hours

Environment

Temp: 164 °C

Axial Tilt: 0.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 36,531,781 km

• M1: 40,541 km (0.083 R)
• M2: 283,189 km (0.097 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.76 AU - 1.06 AU

Year: 319 Days

Day: 15.2 Hours

Environment

Temp: 149 °C

Axial Tilt: 9.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.29 AU - 1.41 AU

Year: 576 Days

Day: 30.1 Hours

Environment

Temp: 2 °C

Axial Tilt: 18 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.46 AU - 4.62 AU

Year: 2981 Days

Day: 13.4 Hours

Environment

Temp: -129 °C

Axial Tilt: 15 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.2

Radius: 8.7

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 4.82 AU - 5.66 AU

Year: 4403 Days

Day: 11.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,531,781 km

• M1: 108,608 km (0.07 R)
• M2: 564,882 km (0.097 R)
• M3: 889,659 km (0.081 R)
• M4: 1,171,651 km (0.055 R)
• M5: 1,480,720 km (0.104 R)
• M6: 1,884,185 km (0.101 R)
• M7: 2,252,495 km (0.09 R)
• M8: 3,250,313 km (0.117 R)
• M9: 4,162,411 km (0.097 R)
• M10: 4,842,184 km (0.096 R)
• M11: 5,262,703 km (0.079 R)
• M12: 6,117,057 km (0.101 R)
• M13: 7,637,121 km (0.112 R)
• M14: 10,647,479 km (0.073 R)
• M15: 11,178,701 km (0.038 R)
• M16: 26,269,536 km (0.11 R)
• M17: 26,994,786 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.4

Radius: 9.4

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 5.79 AU - 6.23 AU

Year: 5409 Days

Day: 6.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,531,781 km

• M1: 118,930 km (0.085 R)
• M2: 439,070 km (0.12 R)
• M3: 785,239 km (0.098 R)
• M4: 1,537,268 km (0.105 R)
• M5: 3,367,598 km (0.083 R)
• M6: 4,328,914 km (0.113 R)
• M7: 5,516,571 km (0.052 R)
• M8: 6,909,028 km (0.049 R)
• M9: 10,331,528 km (0.118 R)
• M10: 12,476,462 km (0.115 R)
• M11: 12,995,866 km (0.084 R)
• M12: 14,486,310 km (0.101 R)
• M13: 17,392,398 km (0.064 R)
• M14: 22,001,658 km (0.099 R)
• M15: 22,690,407 km (0.113 R)
• M16: 23,322,607 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.3

Radius: 9.1

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 6.74 AU - 7.04 AU

Year: 6639 Days

Day: 13.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,531,781 km

• M1: 145,858 km (0.109 R)
• M2: 1,443,320 km (0.091 R)
• M3: 2,032,885 km (0.102 R)
• M4: 2,540,022 km (0.083 R)
• M5: 3,345,158 km (0.042 R)
• M6: 4,648,305 km (0.049 R)
• M7: 5,687,412 km (0.114 R)
• M8: 9,578,901 km (0.076 R)
• M9: 9,960,525 km (0.103 R)
• M10: 11,292,395 km (0.042 R)
• M11: 14,957,244 km (0.067 R)
• M12: 15,367,591 km (0.09 R)
• M13: 16,753,615 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.6

Radius: 9.4

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 8.57 AU - 9.25 AU

Year: 9763 Days

Day: 10.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,531,781 km

• M1: 116,986 km (0.102 R)
• M2: 673,938 km (0.104 R)
• M3: 2,297,375 km (0.099 R)
• M4: 2,834,431 km (0.09 R)
• M5: 3,678,312 km (0.087 R)
• M6: 4,285,530 km (0.028 R)
• M7: 5,216,927 km (0.067 R)
• M8: 6,411,316 km (0.087 R)
• M9: 9,331,766 km (0.067 R)
• M10: 11,376,170 km (0.11 R)
• M11: 12,188,636 km (0.067 R)
• M12: 14,563,502 km (0.09 R)
• M13: 17,035,158 km (0.08 R)
• M14: 18,438,686 km (0.061 R)
• M15: 20,281,432 km (0.101 R)
• M16: 22,792,881 km (0.092 R)
• M17: 24,912,384 km (0.072 R)
• M18: 27,071,081 km (0.057 R)
• M19: 28,792,953 km (0.103 R)
• M20: 30,973,641 km (0.111 R)
• M21: 33,058,736 km (0.071 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.8

Radius: 8.5

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 9.85 AU - 10.89 AU

Year: 12259 Days

Day: 12 Hours

Environment

Temp: -181 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,531,781 km

• M1: 111,450 km (0.104 R)
• M2: 401,521 km (0.061 R)
• M3: 975,827 km (0.095 R)
• M4: 1,426,715 km (0.112 R)
• M5: 1,906,326 km (0.083 R)
• M6: 2,690,368 km (0.103 R)
• M7: 3,936,070 km (0.103 R)
• M8: 4,287,176 km (0.119 R)
• M9: 6,002,315 km (0.052 R)
• M10: 8,092,347 km (0.076 R)
• M11: 10,017,223 km (0.104 R)
• M12: 12,020,039 km (0.09 R)
• M13: 13,033,116 km (0.106 R)
• M14: 14,866,438 km (0.098 R)
• M15: 21,009,076 km (0.096 R)
• M16: 22,083,488 km (0.054 R)
• M17: 22,397,045 km (0.106 R)
• M18: 25,013,811 km (0.049 R)
• M19: 27,105,339 km (0.104 R)
• M20: 28,285,666 km (0.116 R)
• M21: 30,748,496 km (0.083 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 257 - 11,605 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit