🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.67 AU - 0.83 AU

Year: 235 Days

Day: 28.7 Hours

Environment

Temp: 185 °C

Axial Tilt: 1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.83 AU - 0.97 AU

Year: 309 Days

Day: 20.9 Hours

Environment

Temp: 128 °C

Axial Tilt: 36.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 66,980,802 km

• M1: 504,294 km (0.113 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.88 AU - 1.02 AU

Year: 335 Days

Day: 41.3 Hours

Environment

Temp: 153 °C

Axial Tilt: 35.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.05 AU - 1.41 AU

Year: 493 Days

Day: 21.6 Hours

Environment

Temp: 7 °C

Axial Tilt: 42 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 66,980,802 km

• M1: 59,241 km (0.115 R)
• M2: 693,536 km (0.099 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.75 AU - 4.37 AU

Year: 2959 Days

Day: 20.6 Hours

Environment

Temp: -123 °C

Axial Tilt: 44.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.22 AU - 5.36 AU

Year: 3213 Days

Day: 47.4 Hours

Environment

Temp: -128 °C

Axial Tilt: 35.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,980,802 km

• M1: 251,175 km (0.076 R)

Asteroid Belt

Center: 5.73 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625

Radius: 8.5

Gravity: 8.65 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 7.06 AU - 7.28 AU

Year: 6943 Days

Day: 7.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,980,802 km

• M1: 112,049 km (0.08 R)
• M2: 595,699 km (0.068 R)
• M3: 1,252,583 km (0.088 R)
• M4: 1,585,289 km (0.093 R)
• M5: 2,345,844 km (0.069 R)
• M6: 3,139,012 km (0.064 R)
• M7: 3,462,293 km (0.106 R)
• M8: 4,487,637 km (0.047 R)
• M9: 4,786,833 km (0.099 R)
• M10: 6,054,675 km (0.114 R)
• M11: 8,643,316 km (0.099 R)
• M12: 12,788,075 km (0.077 R)
• M13: 18,300,308 km (0.077 R)
• M14: 21,342,979 km (0.106 R)
• M15: 22,984,067 km (0.104 R)
• M16: 23,712,459 km (0.054 R)
• M17: 26,251,734 km (0.049 R)
• M18: 26,603,438 km (0.102 R)
• M19: 27,950,567 km (0.092 R)
• M20: 30,682,822 km (0.055 R)
• M21: 35,374,212 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.1

Radius: 10.5

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 5.92 AU - 8.48 AU

Year: 6987 Days

Day: 12.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 66,980,802 km

• M1: 130,599 km (0.099 R)
• M2: 558,150 km (0.114 R)
• M3: 1,065,286 km (0.117 R)
• M4: 1,483,412 km (0.067 R)
• M5: 1,910,066 km (0.102 R)
• M6: 2,713,705 km (0.036 R)
• M7: 3,053,442 km (0.086 R)
• M8: 3,421,902 km (0.061 R)
• M9: 3,774,205 km (0.09 R)
• M10: 5,091,264 km (0.036 R)
• M11: 5,493,383 km (0.105 R)
• M12: 5,854,812 km (0.08 R)
• M13: 6,760,477 km (0.081 R)
• M14: 8,135,581 km (0.039 R)
• M15: 9,388,912 km (0.11 R)
• M16: 11,286,561 km (0.081 R)
• M17: 12,173,377 km (0.104 R)
• M18: 13,319,596 km (0.116 R)
• M19: 14,536,275 km (0.081 R)
• M20: 15,466,625 km (0.066 R)
• M21: 18,630,620 km (0.068 R)
• M22: 20,150,384 km (0.087 R)
• M23: 21,306,477 km (0.109 R)
• M24: 22,659,290 km (0.118 R)
• M25: 25,785,587 km (0.115 R)
• M26: 27,495,490 km (0.096 R)
• M27: 28,916,670 km (0.112 R)
• M28: 31,808,846 km (0.117 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.8

Radius: 12.1

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 7.14 AU - 8.24 AU

Year: 7712 Days

Day: 15 Hours

Environment

Temp: -153 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,980,802 km

• M1: 150,495 km (0.113 R)
• M2: 1,001,558 km (0.054 R)
• M3: 3,301,475 km (0.114 R)
• M4: 5,186,708 km (0.075 R)
• M5: 7,414,669 km (0.074 R)
• M6: 10,085,739 km (0.055 R)
• M7: 11,857,127 km (0.069 R)
• M8: 13,664,419 km (0.087 R)
• M9: 15,530,503 km (0.087 R)
• M10: 16,927,897 km (0.049 R)
• M11: 18,874,464 km (0.113 R)
• M12: 20,393,780 km (0.115 R)
• M13: 21,770,230 km (0.098 R)
• M14: 24,707,584 km (0.112 R)
• M15: 25,522,444 km (0.082 R)
• M16: 27,378,206 km (0.091 R)
• M17: 28,516,197 km (0.065 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 348.9

Radius: 4.6

Gravity: 16.49 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 14.51 AU - 17.49 AU

Year: 23146 Days

Day: 20.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,980,802 km

• M1: 57,296 km (0.078 R)
• M2: 347,067 km (0.078 R)
• M3: 948,151 km (0.095 R)
• M4: 1,153,848 km (0.114 R)
• M5: 1,590,225 km (0.108 R)
• M6: 3,530,211 km (0.113 R)
• M7: 7,005,369 km (0.045 R)
• M8: 11,070,542 km (0.041 R)
• M9: 13,593,360 km (0.091 R)
• M10: 17,112,052 km (0.108 R)
• M11: 17,848,672 km (0.069 R)
• M12: 19,826,954 km (0.115 R)
• M13: 27,507,458 km (0.067 R)
• M14: 28,290,603 km (0.094 R)
• M15: 29,667,651 km (0.101 R)
• M16: 30,609,968 km (0.075 R)
• M17: 31,088,681 km (0.086 R)
• M18: 34,708,950 km (0.086 R)
• M19: 42,773,023 km (0.09 R)
• M20: 44,737,243 km (0.086 R)
• M21: 46,760,854 km (0.101 R)
• M22: 55,112,304 km (0.118 R)

Kuiper Belt

Range: 30.3 - 59.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 434 - 18,672 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit