🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.56 AU - 0.62 AU

Year: 168 Days

Day: 15.2 Hours

Environment

Temp: 196 °C

Axial Tilt: 11.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 63,606,333 km

• M1: 44,131 km (0.068 R)
• M2: 207,941 km (0.097 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.67 AU - 0.77 AU

Year: 227 Days

Day: 22.4 Hours

Environment

Temp: 130 °C

Axial Tilt: 35.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 63,606,333 km

• M1: 41,588 km (0.119 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.31 AU - 2.17 AU

Year: 851 Days

Day: 31.4 Hours

Environment

Temp: -55 °C

Axial Tilt: 30 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 63,606,333 km

• M1: 529,427 km (0.053 R)
• M2: 941,120 km (0.085 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.16 AU - 3.04 AU

Year: 1555 Days

Day: 44.5 Hours

Environment

Temp: -90 °C

Axial Tilt: 14.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.88 AU - 4.74 AU

Year: 2758 Days

Day: 23.1 Hours

Environment

Temp: -119 °C

Axial Tilt: 32.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,606,333 km

• M1: 2,255,337 km (0.086 R)

Asteroid Belt

Center: 4.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.8

Radius: 8.4

Gravity: 9.76 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 5.25 AU - 6.69 AU

Year: 5410 Days

Day: 14.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,606,333 km

• M1: 104,719 km (0.095 R)
• M2: 606,919 km (0.072 R)
• M3: 988,393 km (0.105 R)
• M4: 1,574,817 km (0.058 R)
• M5: 1,903,783 km (0.113 R)
• M6: 2,561,116 km (0.111 R)
• M7: 2,829,943 km (0.074 R)
• M8: 3,982,146 km (0.097 R)
• M9: 5,305,339 km (0.09 R)
• M10: 7,677,961 km (0.091 R)
• M11: 10,910,921 km (0.066 R)
• M12: 11,768,715 km (0.069 R)
• M13: 12,619,478 km (0.11 R)
• M14: 13,999,070 km (0.079 R)
• M15: 14,953,654 km (0.111 R)
• M16: 20,458,107 km (0.062 R)
• M17: 21,907,860 km (0.105 R)
• M18: 23,193,055 km (0.094 R)
• M19: 29,921,669 km (0.076 R)
• M20: 31,125,333 km (0.056 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.6

Radius: 12.4

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 6.67 AU - 8.27 AU

Year: 7572 Days

Day: 7.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,606,333 km

• M1: 154,235 km (0.091 R)
• M2: 797,057 km (0.12 R)
• M3: 2,214,796 km (0.112 R)
• M4: 2,729,413 km (0.101 R)
• M5: 3,456,309 km (0.094 R)
• M6: 4,941,966 km (0.102 R)
• M7: 5,511,036 km (0.093 R)
• M8: 6,123,639 km (0.072 R)
• M9: 6,639,004 km (0.061 R)
• M10: 7,035,139 km (0.072 R)
• M11: 11,605,653 km (0.058 R)
• M12: 14,443,076 km (0.108 R)
• M13: 17,509,084 km (0.09 R)
• M14: 24,213,612 km (0.082 R)
• M15: 33,600,579 km (0.098 R)
• M16: 35,533,833 km (0.079 R)
• M17: 36,527,910 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 375.5

Radius: 4.6

Gravity: 17.75 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 14.03 AU - 15.13 AU

Year: 20646 Days

Day: 22.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 63,606,333 km

• M1: 116,986 km (0.081 R)
• M2: 280,346 km (0.087 R)
• M3: 543,040 km (0.097 R)
• M4: 715,527 km (0.116 R)
• M5: 913,893 km (0.037 R)
• M6: 1,575,266 km (0.116 R)
• M7: 2,081,505 km (0.105 R)
• M8: 2,238,732 km (0.098 R)
• M9: 3,046,860 km (0.105 R)
• M10: 4,003,538 km (0.066 R)
• M11: 4,373,344 km (0.041 R)
• M12: 5,733,039 km (0.049 R)
• M13: 6,202,627 km (0.086 R)
• M14: 7,397,166 km (0.072 R)
• M15: 8,788,127 km (0.112 R)
• M16: 9,252,927 km (0.081 R)
• M17: 12,714,772 km (0.038 R)
• M18: 12,910,745 km (0.054 R)
• M19: 15,423,690 km (0.104 R)
• M20: 21,115,739 km (0.091 R)
• M21: 21,298,847 km (0.119 R)
• M22: 21,854,603 km (0.103 R)
• M23: 26,228,695 km (0.111 R)
• M24: 30,214,581 km (0.069 R)
• M25: 32,961,796 km (0.09 R)
• M26: 36,525,218 km (0.112 R)
• M27: 37,054,345 km (0.078 R)
• M28: 37,588,709 km (0.078 R)
• M29: 40,337,121 km (0.111 R)
• M30: 41,760,395 km (0.118 R)
• M31: 42,484,299 km (0.106 R)
• M32: 47,317,208 km (0.051 R)
• M33: 55,581,593 km (0.074 R)
• M34: 59,686,259 km (0.065 R)
• M35: 60,420,186 km (0.079 R)
• M36: 61,718,846 km (0.098 R)
• M37: 63,225,745 km (0.03 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 183 - 14,197 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit