🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.49 AU - 0.57 AU

Year: 135 Days

Day: 38.6 Hours

Environment

Temp: 264 °C

Axial Tilt: 1.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.95 AU - 1.01 AU

Year: 339 Days

Day: 16.3 Hours

Environment

Temp: 101 °C

Axial Tilt: 22.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.46 AU - 1.66 AU

Year: 682 Days

Day: 40 Hours

Environment

Temp: -5 °C

Axial Tilt: 9.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.08 AU - 2.28 AU

Year: 1126 Days

Day: 18.5 Hours

Environment

Temp: -62 °C

Axial Tilt: 28.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.91 AU - 3.63 AU

Year: 2069 Days

Day: 42.6 Hours

Environment

Temp: -92 °C

Axial Tilt: 10.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 3.43 AU - 3.77 AU

Year: 2390 Days

Day: 26.1 Hours

Environment

Temp: -107 °C

Axial Tilt: 18.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 4.32 AU - 5.54 AU

Year: 3830 Days

Day: 45.6 Hours

Environment

Temp: -121 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.6

Radius: 13.2

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 4.75 AU - 7.45 AU

Year: 5271 Days

Day: 10.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 15,131,847 km

• M1: 166,353 km (0.083 R)
• M2: 369,058 km (0.037 R)
• M3: 462,257 km (0.06 R)
• M4: 600,037 km (0.091 R)
• M5: 814,710 km (0.118 R)
• M6: 988,992 km (0.107 R)
• M7: 1,099,993 km (0.104 R)
• M8: 1,765,255 km (0.063 R)
• M9: 1,856,510 km (0.111 R)
• M10: 2,229,457 km (0.101 R)
• M11: 2,600,310 km (0.098 R)
• M12: 2,705,029 km (0.095 R)
• M13: 2,945,732 km (0.117 R)
• M14: 3,036,687 km (0.059 R)
• M15: 3,147,240 km (0.06 R)
• M16: 3,258,990 km (0.049 R)
• M17: 4,008,625 km (0.114 R)
• M18: 4,201,755 km (0.053 R)
• M19: 4,325,323 km (0.087 R)
• M20: 4,724,750 km (0.11 R)
• M21: 4,885,866 km (0.094 R)
• M22: 5,125,373 km (0.047 R)
• M23: 5,809,633 km (0.102 R)
• M24: 6,075,319 km (0.073 R)
• M25: 6,594,573 km (0.101 R)
• M26: 6,726,668 km (0.112 R)
• M27: 7,030,202 km (0.063 R)
• M28: 7,152,873 km (0.119 R)
• M29: 7,575,337 km (0.074 R)
• M30: 7,814,993 km (0.044 R)
• M31: 7,916,719 km (0.071 R)
• M32: 8,276,053 km (0.058 R)
• M33: 8,405,755 km (0.119 R)
• M34: 8,693,282 km (0.118 R)
• M35: 8,838,392 km (0.103 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.6

Radius: 9.2

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 5.24 AU - 8.56 AU

Year: 6341 Days

Day: 11.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 15,131,847 km

• M1: 131,796 km (0.086 R)
• M2: 243,695 km (0.061 R)
• M3: 589,266 km (0.03 R)
• M4: 677,230 km (0.098 R)
• M5: 810,222 km (0.062 R)
• M6: 1,075,459 km (0.079 R)
• M7: 1,674,599 km (0.059 R)
• M8: 1,902,287 km (0.099 R)
• M9: 1,969,157 km (0.093 R)
• M10: 2,399,251 km (0.105 R)
• M11: 3,425,941 km (0.089 R)
• M12: 3,743,836 km (0.033 R)
• M13: 3,870,845 km (0.103 R)
• M14: 4,393,241 km (0.059 R)
• M15: 4,542,390 km (0.104 R)
• M16: 4,617,488 km (0.087 R)
• M17: 5,600,047 km (0.05 R)
• M18: 6,306,897 km (0.05 R)
• M19: 6,492,248 km (0.099 R)
• M20: 6,782,169 km (0.045 R)
• M21: 6,885,541 km (0.085 R)
• M22: 7,006,865 km (0.114 R)
• M23: 7,677,512 km (0.058 R)
• M24: 8,535,307 km (0.035 R)
• M25: 9,289,130 km (0.08 R)
• M26: 9,674,046 km (0.104 R)
• M27: 9,810,030 km (0.061 R)
• M28: 10,519,273 km (0.092 R)
• M29: 11,265,468 km (0.111 R)
• M30: 11,799,981 km (0.092 R)
• M31: 11,862,214 km (0.092 R)
• M32: 11,924,596 km (0.065 R)
• M33: 12,321,778 km (0.12 R)
• M34: 12,384,909 km (0.031 R)
• M35: 13,086,373 km (0.118 R)
• M36: 13,366,271 km (0.119 R)
• M37: 14,772,939 km (0.055 R)

Kuiper Belt

Range: 31.4 - 56.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 163 - 10,979 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit