🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.57 AU - 0.69 AU

Year: 184 Days

Day: 24.9 Hours

Environment

Temp: 218 °C

Axial Tilt: 13.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 45,003,488 km

• M1: 53,257 km (0.037 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.57 AU - 0.95 AU

Year: 243 Days

Day: 23 Hours

Environment

Temp: 148 °C

Axial Tilt: 14.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 45,003,488 km

• M1: 81,680 km (0.06 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.88 AU - 1 AU

Year: 335 Days

Day: 22.4 Hours

Environment

Temp: 37 °C

Axial Tilt: 46.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.01 AU - 1.31 AU

Year: 459 Days

Day: 26.7 Hours

Environment

Temp: 11 °C

Axial Tilt: 28.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 45,003,488 km

• M1: 254,466 km (0.118 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.25 AU - 1.77 AU

Year: 681 Days

Day: 27.7 Hours

Environment

Temp: -39 °C

Axial Tilt: 17.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.5

Radius: 9.2

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 7.05 AU - 7.83 AU

Year: 7450 Days

Day: 11.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,003,488 km

• M1: 115,340 km (0.064 R)
• M2: 334,800 km (0.109 R)
• M3: 1,389,315 km (0.028 R)
• M4: 1,569,730 km (0.109 R)
• M5: 2,520,126 km (0.101 R)
• M6: 4,949,146 km (0.057 R)
• M7: 6,109,128 km (0.117 R)
• M8: 6,827,946 km (0.115 R)
• M9: 9,517,566 km (0.064 R)
• M10: 11,308,552 km (0.04 R)
• M11: 13,126,615 km (0.051 R)
• M12: 13,954,041 km (0.096 R)
• M13: 25,871,157 km (0.094 R)
• M14: 28,911,584 km (0.12 R)
• M15: 31,987,316 km (0.116 R)
• M16: 34,309,673 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.8

Radius: 8.5

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 7.18 AU - 8.54 AU

Year: 8089 Days

Day: 7.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,003,488 km

• M1: 112,946 km (0.107 R)
• M2: 278,850 km (0.094 R)
• M3: 572,212 km (0.064 R)
• M4: 1,199,476 km (0.085 R)
• M5: 1,759,271 km (0.05 R)
• M6: 2,353,773 km (0.034 R)
• M7: 3,358,173 km (0.066 R)
• M8: 3,613,237 km (0.107 R)
• M9: 4,045,426 km (0.112 R)
• M10: 4,347,613 km (0.092 R)
• M11: 5,175,787 km (0.079 R)
• M12: 6,235,090 km (0.116 R)
• M13: 6,475,194 km (0.117 R)
• M14: 6,913,516 km (0.108 R)
• M15: 8,223,993 km (0.114 R)
• M16: 8,843,628 km (0.105 R)
• M17: 9,949,006 km (0.056 R)
• M18: 11,876,575 km (0.12 R)
• M19: 12,245,483 km (0.097 R)
• M20: 13,542,646 km (0.109 R)
• M21: 14,376,655 km (0.094 R)
• M22: 16,897,977 km (0.101 R)
• M23: 18,008,891 km (0.063 R)
• M24: 18,969,758 km (0.104 R)
• M25: 25,691,639 km (0.1 R)

Asteroid Belt

Center: 10.79 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 13.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162.9

Radius: 5

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 13.6 AU - 13.84 AU

Year: 18655 Days

Day: 22.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,003,488 km

• M1: 80,184 km (0.098 R)
• M2: 229,334 km (0.09 R)
• M3: 1,422,825 km (0.067 R)
• M4: 2,044,105 km (0.104 R)
• M5: 2,759,782 km (0.11 R)
• M6: 3,999,798 km (0.114 R)
• M7: 4,242,895 km (0.058 R)
• M8: 4,838,294 km (0.094 R)
• M9: 4,956,327 km (0.117 R)
• M10: 6,082,350 km (0.11 R)
• M11: 6,862,802 km (0.037 R)
• M12: 12,781,642 km (0.104 R)
• M13: 18,816,869 km (0.061 R)
• M14: 19,166,928 km (0.062 R)
• M15: 19,698,000 km (0.086 R)
• M16: 26,638,743 km (0.096 R)
• M17: 30,502,258 km (0.03 R)
• M18: 31,096,909 km (0.096 R)
• M19: 33,455,619 km (0.063 R)
• M20: 35,102,392 km (0.105 R)
• M21: 37,688,192 km (0.095 R)
• M22: 39,772,389 km (0.093 R)
• M23: 41,739,302 km (0.072 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 231 - 10,266 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit