🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.81 AU - 1.11 AU

Year: 360 Days

Day: 32.6 Hours

Environment

Temp: 6 °C

Axial Tilt: 25 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 1.74 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.93 AU - 3.09 AU

Year: 1523 Days

Day: 45.1 Hours

Environment

Temp: -105 °C

Axial Tilt: 6.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 85,798,990 km

• M1: 40,242 km (0.075 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.74 AU - 3.36 AU

Year: 2039 Days

Day: 25 Hours

Environment

Temp: -113 °C

Axial Tilt: 6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 85,798,990 km

• M1: 36,801 km (0.042 R)
• M2: 1,709,604 km (0.115 R)

Asteroid Belt

Center: 4.19 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70

Radius: 8.4

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 4.18 AU - 6.46 AU

Year: 4698 Days

Day: 14.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 85,798,990 km

• M1: 106,065 km (0.091 R)
• M2: 393,143 km (0.077 R)
• M3: 813,214 km (0.104 R)
• M4: 1,092,962 km (0.116 R)
• M5: 1,609,374 km (0.082 R)
• M6: 2,268,053 km (0.113 R)
• M7: 2,712,957 km (0.07 R)
• M8: 3,448,829 km (0.12 R)
• M9: 3,727,381 km (0.096 R)
• M10: 4,056,645 km (0.081 R)
• M11: 4,386,210 km (0.082 R)
• M12: 5,440,575 km (0.11 R)
• M13: 5,728,701 km (0.116 R)
• M14: 8,328,562 km (0.106 R)
• M15: 10,265,107 km (0.111 R)
• M16: 10,637,605 km (0.112 R)
• M17: 11,089,391 km (0.073 R)
• M18: 11,590,245 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.5

Radius: 8.7

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 6.36 AU - 6.88 AU

Year: 6522 Days

Day: 13.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 85,798,990 km

• M1: 114,143 km (0.1 R)
• M2: 888,163 km (0.11 R)
• M3: 1,423,274 km (0.069 R)
• M4: 2,174,255 km (0.072 R)
• M5: 4,018,648 km (0.093 R)
• M6: 4,682,264 km (0.118 R)
• M7: 5,389,562 km (0.08 R)
• M8: 10,157,546 km (0.089 R)
• M9: 11,430,474 km (0.109 R)
• M10: 11,987,277 km (0.118 R)
• M11: 13,458,273 km (0.061 R)
• M12: 14,773,089 km (0.113 R)
• M13: 15,658,260 km (0.106 R)
• M14: 16,873,293 km (0.107 R)
• M15: 19,489,611 km (0.081 R)
• M16: 23,457,096 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 353.5

Radius: 4.1

Gravity: 21.03 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 16.54 AU - 19.9 AU

Year: 29778 Days

Day: 21.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 85,798,990 km

• M1: 51,162 km (0.087 R)
• M2: 210,035 km (0.103 R)
• M3: 364,720 km (0.097 R)
• M4: 886,367 km (0.062 R)
• M5: 1,220,569 km (0.076 R)
• M6: 3,260,186 km (0.062 R)
• M7: 7,492,909 km (0.051 R)
• M8: 8,307,768 km (0.093 R)
• M9: 8,574,052 km (0.103 R)
• M10: 10,293,081 km (0.105 R)
• M11: 10,662,588 km (0.117 R)
• M12: 13,868,171 km (0.103 R)
• M13: 14,394,756 km (0.112 R)
• M14: 14,778,923 km (0.099 R)
• M15: 30,231,934 km (0.102 R)
• M16: 32,935,018 km (0.078 R)
• M17: 33,200,555 km (0.108 R)
• M18: 41,382,810 km (0.117 R)
• M19: 42,628,811 km (0.111 R)
• M20: 45,195,761 km (0.111 R)
• M21: 50,458,614 km (0.03 R)
• M22: 52,059,610 km (0.033 R)
• M23: 54,431,634 km (0.052 R)
• M24: 57,833,340 km (0.115 R)
• M25: 78,155,313 km (0.055 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 433.7

Radius: 7.1

Gravity: 8.6 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 15.07 AU - 21.63 AU

Year: 30097 Days

Day: 25 Hours

Environment

Temp: -196 °C

Axial Tilt: 57.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 85,798,990 km

• M1: 88,263 km (0.116 R)
• M2: 676,182 km (0.083 R)
• M3: 952,041 km (0.057 R)
• M4: 1,288,038 km (0.092 R)
• M5: 1,509,443 km (0.108 R)
• M6: 2,356,466 km (0.115 R)
• M7: 2,896,813 km (0.054 R)
• M8: 4,120,673 km (0.1 R)
• M9: 5,451,346 km (0.053 R)
• M10: 5,866,780 km (0.066 R)
• M11: 8,705,998 km (0.092 R)
• M12: 9,216,126 km (0.094 R)
• M13: 9,927,165 km (0.108 R)
• M14: 10,931,266 km (0.07 R)
• M15: 11,727,575 km (0.072 R)
• M16: 12,561,883 km (0.086 R)
• M17: 20,122,709 km (0.08 R)
• M18: 24,395,224 km (0.109 R)
• M19: 25,180,463 km (0.065 R)
• M20: 34,539,456 km (0.039 R)
• M21: 39,677,245 km (0.083 R)
• M22: 40,139,951 km (0.081 R)
• M23: 51,071,067 km (0.11 R)
• M24: 65,747,965 km (0.083 R)
• M25: 71,961,961 km (0.077 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 347 - 15,934 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit