🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.53 AU - 0.59 AU

Year: 191 Days

Day: 22.4 Hours

Environment

Temp: -9 °C

Axial Tilt: 46.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.63 AU - 1.03 AU

Year: 345 Days

Day: 31.2 Hours

Environment

Temp: -63 °C

Axial Tilt: 32.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.94 AU - 1.1 AU

Year: 470 Days

Day: 21.2 Hours

Environment

Temp: -84 °C

Axial Tilt: 10.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.11 AU - 1.13 AU

Year: 541 Days

Day: 41 Hours

Environment

Temp: -92 °C

Axial Tilt: 26.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.37 AU - 1.61 AU

Year: 830 Days

Day: 29.6 Hours

Environment

Temp: -118 °C

Axial Tilt: 161.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,957,434 km

• M1: 45,777 km (0.094 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.47 AU - 2.05 AU

Year: 1066 Days

Day: 24.4 Hours

Environment

Temp: -130 °C

Axial Tilt: 43.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.3 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.8

Radius: 8.6

Gravity: 11.08 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.67 AU - 2.99 AU

Year: 2174 Days

Day: 8.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,957,434 km

• M1: 108,159 km (0.071 R)
• M2: 678,576 km (0.098 R)
• M3: 974,630 km (0.071 R)
• M4: 1,841,251 km (0.093 R)
• M5: 2,258,778 km (0.119 R)
• M6: 2,753,648 km (0.049 R)
• M7: 4,403,114 km (0.103 R)
• M8: 5,106,823 km (0.071 R)
• M9: 5,558,907 km (0.069 R)
• M10: 6,543,261 km (0.107 R)
• M11: 7,077,026 km (0.079 R)
• M12: 8,009,919 km (0.101 R)
• M13: 9,506,945 km (0.045 R)
• M14: 10,228,754 km (0.069 R)
• M15: 11,339,668 km (0.093 R)
• M16: 11,944,941 km (0.092 R)
• M17: 12,318,188 km (0.091 R)
• M18: 12,613,943 km (0.116 R)
• M19: 13,709,298 km (0.032 R)
• M20: 14,210,751 km (0.118 R)
• M21: 15,201,986 km (0.113 R)
• M22: 16,238,699 km (0.093 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.4

Radius: 13.4

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.53 AU - 5.13 AU

Year: 4114 Days

Day: 6.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,957,434 km

• M1: 168,298 km (0.114 R)
• M2: 615,146 km (0.108 R)
• M3: 1,248,095 km (0.096 R)
• M4: 1,883,886 km (0.105 R)
• M5: 2,779,080 km (0.046 R)
• M6: 3,962,548 km (0.107 R)
• M7: 4,681,067 km (0.082 R)
• M8: 5,484,856 km (0.082 R)
• M9: 6,437,795 km (0.071 R)
• M10: 7,238,742 km (0.118 R)
• M11: 9,649,511 km (0.06 R)
• M12: 10,165,175 km (0.04 R)
• M13: 10,741,127 km (0.102 R)
• M14: 11,252,004 km (0.114 R)
• M15: 11,868,646 km (0.033 R)
• M16: 13,314,210 km (0.073 R)
• M17: 15,779,883 km (0.112 R)
• M18: 17,584,183 km (0.109 R)
• M19: 18,963,325 km (0.049 R)
• M20: 21,132,494 km (0.119 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.6

Radius: 10

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 6.38 AU - 10.64 AU

Year: 11334 Days

Day: 8.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,957,434 km

• M1: 125,064 km (0.103 R)
• M2: 1,208,452 km (0.053 R)
• M3: 2,275,982 km (0.118 R)
• M4: 3,516,896 km (0.031 R)
• M5: 6,076,815 km (0.104 R)
• M6: 8,719,761 km (0.061 R)
• M7: 9,311,869 km (0.118 R)
• M8: 13,186,604 km (0.08 R)
• M9: 15,849,745 km (0.106 R)
• M10: 17,399,280 km (0.11 R)
• M11: 20,659,017 km (0.078 R)
• M12: 23,770,503 km (0.08 R)
• M13: 25,082,477 km (0.1 R)

Planet 10 - Ice Giant

Semi-Major Axis: 12.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 737.9

Radius: 8

Gravity: 11.53 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 9.96 AU - 14.88 AU

Year: 19984 Days

Day: 19.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 77,957,434 km

• M1: 99,483 km (0.096 R)
• M2: 418,425 km (0.109 R)
• M3: 741,257 km (0.066 R)
• M4: 1,532,032 km (0.073 R)
• M5: 1,827,039 km (0.109 R)
• M6: 2,922,993 km (0.07 R)
• M7: 3,582,719 km (0.116 R)
• M8: 5,504,902 km (0.11 R)
• M9: 8,080,230 km (0.083 R)
• M10: 9,259,360 km (0.102 R)
• M11: 10,306,396 km (0.094 R)
• M12: 10,672,312 km (0.108 R)
• M13: 11,301,521 km (0.108 R)
• M14: 14,594,319 km (0.084 R)
• M15: 15,927,835 km (0.059 R)
• M16: 17,170,395 km (0.099 R)
• M17: 18,476,235 km (0.075 R)
• M18: 22,687,415 km (0.12 R)
• M19: 23,411,618 km (0.057 R)
• M20: 27,149,620 km (0.098 R)
• M21: 27,965,676 km (0.073 R)
• M22: 28,320,373 km (0.12 R)
• M23: 31,394,310 km (0.093 R)
• M24: 39,367,727 km (0.077 R)
• M25: 43,185,165 km (0.042 R)
• M26: 50,315,748 km (0.1 R)
• M27: 58,385,057 km (0.109 R)
• M28: 58,964,599 km (0.087 R)
• M29: 70,500,989 km (0.075 R)
• M30: 71,598,738 km (0.115 R)
• M31: 76,103,728 km (0.102 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 253 - 11,867 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit