🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.6 AU - 0.7 AU

Year: 194 Days

Day: 27.7 Hours

Environment

Temp: 204 °C

Axial Tilt: 34.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 86,721,798 km

• M1: 17,802 km (0.084 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.8 AU - 2.48 AU

Year: 1161 Days

Day: 36.6 Hours

Environment

Temp: -88 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 86,721,798 km

• M1: 1,039,556 km (0.118 R)
• M2: 1,229,395 km (0.046 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.59 AU - 3.93 AU

Year: 2704 Days

Day: 35.5 Hours

Environment

Temp: -123 °C

Axial Tilt: 27.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.99 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296

Radius: 10.2

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 7 AU - 9.44 AU

Year: 8740 Days

Day: 6.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,721,798 km

• M1: 130,449 km (0.104 R)
• M2: 512,822 km (0.106 R)
• M3: 2,368,134 km (0.11 R)
• M4: 2,957,101 km (0.06 R)
• M5: 6,904,241 km (0.086 R)
• M6: 8,777,505 km (0.115 R)
• M7: 10,640,897 km (0.028 R)
• M8: 15,487,718 km (0.069 R)
• M9: 17,213,479 km (0.105 R)
• M10: 24,183,543 km (0.092 R)
• M11: 30,996,080 km (0.035 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.1

Radius: 10.2

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 7.73 AU - 9.13 AU

Year: 9077 Days

Day: 12.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 86,721,798 km

• M1: 126,859 km (0.116 R)
• M2: 447,896 km (0.096 R)
• M3: 1,035,816 km (0.101 R)
• M4: 1,581,100 km (0.076 R)
• M5: 2,092,425 km (0.108 R)
• M6: 2,988,068 km (0.038 R)
• M7: 3,935,172 km (0.085 R)
• M8: 4,762,598 km (0.099 R)
• M9: 5,781,210 km (0.116 R)
• M10: 6,789,948 km (0.053 R)
• M11: 7,912,231 km (0.117 R)
• M12: 8,278,597 km (0.099 R)
• M13: 10,560,712 km (0.079 R)
• M14: 11,932,674 km (0.081 R)
• M15: 16,488,378 km (0.103 R)
• M16: 21,567,076 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 355.5

Radius: 4.9

Gravity: 14.81 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 10.64 AU - 14.72 AU

Year: 16745 Days

Day: 21.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 86,721,798 km

• M1: 60,886 km (0.102 R)
• M2: 309,069 km (0.113 R)
• M3: 1,958,087 km (0.106 R)
• M4: 2,231,252 km (0.12 R)
• M5: 2,407,179 km (0.1 R)
• M6: 2,854,028 km (0.055 R)
• M7: 4,906,810 km (0.075 R)
• M8: 5,071,218 km (0.071 R)
• M9: 5,411,254 km (0.06 R)
• M10: 7,173,816 km (0.103 R)
• M11: 9,137,139 km (0.056 R)
• M12: 9,794,921 km (0.076 R)
• M13: 9,951,101 km (0.096 R)
• M14: 12,075,690 km (0.099 R)
• M15: 12,436,819 km (0.086 R)
• M16: 12,929,295 km (0.059 R)
• M17: 14,084,789 km (0.109 R)
• M18: 16,306,318 km (0.109 R)
• M19: 20,396,473 km (0.109 R)
• M20: 20,566,266 km (0.098 R)
• M21: 27,117,307 km (0.046 R)
• M22: 31,308,890 km (0.108 R)
• M23: 35,665,928 km (0.101 R)
• M24: 36,909,235 km (0.084 R)
• M25: 37,924,556 km (0.081 R)
• M26: 47,913,655 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 996.1

Radius: 7.7

Gravity: 16.8 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 12.44 AU - 16.28 AU

Year: 20181 Days

Day: 24.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 97.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 86,721,798 km

• M1: 96,191 km (0.111 R)
• M2: 921,074 km (0.111 R)
• M3: 1,323,492 km (0.061 R)
• M4: 2,017,776 km (0.096 R)
• M5: 3,265,722 km (0.107 R)
• M6: 3,971,375 km (0.027 R)
• M7: 5,155,741 km (0.068 R)
• M8: 5,434,442 km (0.11 R)
• M9: 9,321,144 km (0.115 R)
• M10: 11,318,575 km (0.098 R)
• M11: 13,812,222 km (0.105 R)
• M12: 18,713,646 km (0.053 R)
• M13: 21,042,287 km (0.047 R)
• M14: 21,346,419 km (0.115 R)
• M15: 25,456,022 km (0.107 R)
• M16: 26,383,679 km (0.117 R)
• M17: 27,574,777 km (0.117 R)
• M18: 28,061,120 km (0.087 R)
• M19: 34,351,710 km (0.096 R)
• M20: 37,673,980 km (0.074 R)
• M21: 38,122,474 km (0.112 R)
• M22: 39,030,234 km (0.07 R)
• M23: 43,951,256 km (0.112 R)
• M24: 45,116,923 km (0.096 R)
• M25: 46,990,187 km (0.092 R)
• M26: 50,166,449 km (0.098 R)
• M27: 53,671,378 km (0.118 R)
• M28: 77,216,886 km (0.113 R)
• M29: 77,698,890 km (0.053 R)
• M30: 78,425,786 km (0.084 R)
• M31: 80,633,252 km (0.086 R)
• M32: 80,880,986 km (0.047 R)
• M33: 82,629,935 km (0.103 R)
• M34: 85,171,902 km (0.093 R)
• M35: 86,721,736 km (0.114 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 491 - 12,779 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit