🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.41 AU - 0.65 AU

Year: 171 Days

Day: 16.9 Hours

Environment

Temp: 22 °C

Axial Tilt: 68.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.5 AU - 0.64 AU

Year: 191 Days

Day: 37.7 Hours

Environment

Temp: 10 °C

Axial Tilt: 23.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.55 AU - 0.87 AU

Year: 265 Days

Day: 38.2 Hours

Environment

Temp: -32 °C

Axial Tilt: 20.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,553,055 km

• M1: 169,195 km (0.104 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.9 AU - 1.02 AU

Year: 417 Days

Day: 43.8 Hours

Environment

Temp: -65 °C

Axial Tilt: 166 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,553,055 km

• M1: 15,857 km (0.116 R)

Asteroid Belt

Center: 1.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.47 AU - 1.65 AU

Year: 863 Days

Day: 20.3 Hours

Environment

Temp: -101 °C

Axial Tilt: 6.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.28

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.9 AU - 2.76 AU

Year: 1575 Days

Day: 40.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 34.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.4

Radius: 9

Gravity: 11.1 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.7 AU - 2.96 AU

Year: 2109 Days

Day: 13.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,553,055 km

• M1: 111,899 km (0.105 R)
• M2: 548,875 km (0.045 R)
• M3: 870,959 km (0.059 R)
• M4: 1,294,919 km (0.086 R)
• M5: 2,436,201 km (0.101 R)
• M6: 2,817,227 km (0.107 R)
• M7: 3,187,033 km (0.081 R)
• M8: 4,005,333 km (0.083 R)
• M9: 4,516,958 km (0.065 R)
• M10: 5,621,290 km (0.084 R)
• M11: 6,052,730 km (0.089 R)
• M12: 7,213,909 km (0.097 R)
• M13: 7,754,555 km (0.109 R)
• M14: 8,257,653 km (0.07 R)
• M15: 8,984,699 km (0.074 R)
• M16: 12,750,675 km (0.102 R)
• M17: 14,086,285 km (0.084 R)
• M18: 17,775,817 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.9

Radius: 12.4

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 4.05 AU - 4.51 AU

Year: 3922 Days

Day: 5.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,553,055 km

• M1: 154,385 km (0.093 R)
• M2: 559,197 km (0.091 R)
• M3: 953,088 km (0.067 R)
• M4: 1,390,961 km (0.069 R)
• M5: 2,309,492 km (0.109 R)
• M6: 3,085,905 km (0.1 R)
• M7: 3,576,735 km (0.034 R)
• M8: 4,568,719 km (0.104 R)
• M9: 5,344,534 km (0.083 R)
• M10: 6,086,240 km (0.093 R)
• M11: 6,544,757 km (0.097 R)
• M12: 7,259,087 km (0.116 R)
• M13: 7,810,654 km (0.095 R)
• M14: 8,427,147 km (0.08 R)
• M15: 9,513,377 km (0.09 R)
• M16: 11,314,835 km (0.05 R)
• M17: 12,586,866 km (0.096 R)
• M18: 14,004,605 km (0.078 R)
• M19: 15,980,344 km (0.031 R)
• M20: 19,610,336 km (0.091 R)
• M21: 20,208,578 km (0.113 R)
• M22: 26,233,782 km (0.045 R)
• M23: 27,205,719 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 780.9

Radius: 6.4

Gravity: 19.06 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 9.65 AU - 9.67 AU

Year: 13298 Days

Day: 15.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 60,553,055 km

• M1: 79,736 km (0.077 R)
• M2: 322,683 km (0.119 R)
• M3: 777,610 km (0.051 R)
• M4: 1,035,816 km (0.089 R)
• M5: 2,117,408 km (0.065 R)
• M6: 3,142,752 km (0.107 R)
• M7: 3,863,515 km (0.07 R)
• M8: 4,496,314 km (0.117 R)
• M9: 4,787,730 km (0.063 R)
• M10: 5,813,672 km (0.079 R)
• M11: 11,278,782 km (0.067 R)
• M12: 11,696,609 km (0.032 R)
• M13: 11,939,855 km (0.112 R)
• M14: 13,207,248 km (0.085 R)
• M15: 14,562,006 km (0.101 R)
• M16: 18,267,845 km (0.074 R)
• M17: 18,513,185 km (0.069 R)
• M18: 25,286,977 km (0.103 R)
• M19: 30,926,069 km (0.119 R)
• M20: 33,422,707 km (0.066 R)
• M21: 34,657,488 km (0.093 R)
• M22: 42,281,893 km (0.045 R)
• M23: 43,434,096 km (0.089 R)
• M24: 48,252,644 km (0.093 R)
• M25: 51,438,330 km (0.055 R)
• M26: 54,592,153 km (0.025 R)
• M27: 55,101,533 km (0.094 R)
• M28: 56,822,657 km (0.086 R)
• M29: 58,401,962 km (0.056 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: 179 - 20,036 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit