🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.76 AU - 0.78 AU

Year: 259 Days

Day: 22.5 Hours

Environment

Temp: 161 °C

Axial Tilt: 27.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.48 AU - 1.68 AU

Year: 760 Days

Day: 45.9 Hours

Environment

Temp: -53 °C

Axial Tilt: 22.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.21

Radius: 1.08

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.44 AU - 2.38 AU

Year: 1011 Days

Day: 25.1 Hours

Environment

Temp: -83 °C

Axial Tilt: 26 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.85 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.6

Radius: 9.3

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 4.95 AU - 6.61 AU

Year: 5321 Days

Day: 12.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 47,968,142 km

• M1: 119,230 km (0.103 R)
• M2: 425,157 km (0.096 R)
• M3: 723,455 km (0.107 R)
• M4: 1,287,439 km (0.073 R)
• M5: 2,094,071 km (0.097 R)
• M6: 2,728,067 km (0.109 R)
• M7: 3,323,167 km (0.105 R)
• M8: 5,635,352 km (0.101 R)
• M9: 6,442,731 km (0.12 R)
• M10: 7,122,355 km (0.076 R)
• M11: 8,777,505 km (0.061 R)
• M12: 9,653,700 km (0.101 R)
• M13: 10,326,741 km (0.057 R)
• M14: 11,579,474 km (0.082 R)
• M15: 12,098,279 km (0.117 R)
• M16: 12,731,377 km (0.078 R)
• M17: 14,116,803 km (0.116 R)
• M18: 15,943,243 km (0.071 R)
• M19: 16,526,526 km (0.11 R)
• M20: 19,394,616 km (0.07 R)
• M21: 19,791,649 km (0.1 R)
• M22: 21,294,060 km (0.072 R)
• M23: 21,930,001 km (0.071 R)
• M24: 24,294,395 km (0.028 R)
• M25: 25,223,248 km (0.072 R)
• M26: 25,775,863 km (0.083 R)
• M27: 27,815,779 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.4

Radius: 8.2

Gravity: 11.04 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 6.14 AU - 7.78 AU

Year: 7030 Days

Day: 8.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,968,142 km

• M1: 102,026 km (0.093 R)
• M2: 417,228 km (0.047 R)
• M3: 701,464 km (0.083 R)
• M4: 1,058,704 km (0.097 R)
• M5: 2,369,929 km (0.09 R)
• M6: 4,315,899 km (0.043 R)
• M7: 4,642,022 km (0.104 R)
• M8: 8,446,745 km (0.118 R)
• M9: 9,001,902 km (0.106 R)
• M10: 9,581,145 km (0.11 R)
• M11: 11,571,694 km (0.104 R)
• M12: 13,249,135 km (0.119 R)
• M13: 13,939,978 km (0.061 R)
• M14: 17,078,841 km (0.104 R)
• M15: 18,740,724 km (0.081 R)
• M16: 25,493,721 km (0.112 R)
• M17: 26,561,401 km (0.108 R)
• M18: 30,139,184 km (0.084 R)
• M19: 32,972,418 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.1

Radius: 10.8

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 5.86 AU - 9.62 AU

Year: 8245 Days

Day: 7.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,968,142 km

• M1: 134,788 km (0.104 R)
• M2: 493,972 km (0.111 R)
• M3: 852,708 km (0.029 R)
• M4: 1,193,641 km (0.108 R)
• M5: 1,777,671 km (0.093 R)
• M6: 2,271,344 km (0.112 R)
• M7: 4,406,256 km (0.116 R)
• M8: 4,791,919 km (0.082 R)
• M9: 5,223,210 km (0.063 R)
• M10: 5,655,847 km (0.058 R)
• M11: 8,807,425 km (0.106 R)
• M12: 11,122,302 km (0.054 R)
• M13: 12,086,461 km (0.088 R)
• M14: 12,674,231 km (0.118 R)
• M15: 15,025,461 km (0.06 R)
• M16: 17,814,114 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 74.2

Radius: 7.7

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 18.42 AU - 18.54 AU

Year: 30417 Days

Day: 17 Hours

Environment

Temp: -196 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,968,142 km

• M1: 97,388 km (0.071 R)
• M2: 429,346 km (0.1 R)
• M3: 717,023 km (0.081 R)
• M4: 1,928,017 km (0.086 R)
• M5: 3,001,532 km (0.07 R)
• M6: 5,693,545 km (0.094 R)
• M7: 7,845,212 km (0.086 R)
• M8: 8,868,461 km (0.07 R)
• M9: 11,839,475 km (0.089 R)
• M10: 13,001,551 km (0.104 R)
• M11: 13,486,996 km (0.119 R)
• M12: 20,535,300 km (0.08 R)
• M13: 22,036,365 km (0.064 R)
• M14: 28,571,398 km (0.102 R)
• M15: 37,739,204 km (0.118 R)
• M16: 41,791,811 km (0.094 R)
• M17: 44,603,353 km (0.086 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 387 - 11,593 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit