🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.86 AU - 1.06 AU

Year: 362 Days

Day: 42.1 Hours

Environment

Temp: 10 °C

Axial Tilt: 8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.14 AU - 1.38 AU

Year: 545 Days

Day: 15.6 Hours

Environment

Temp: -33 °C

Axial Tilt: 26.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.62 AU - 2.02 AU

Year: 945 Days

Day: 38.5 Hours

Environment

Temp: -79 °C

Axial Tilt: 12.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.44 AU - 2.26 AU

Year: 969 Days

Day: 32.4 Hours

Environment

Temp: -71 °C

Axial Tilt: 13.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 62,172,967 km

• M1: 334,202 km (0.083 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.68 AU - 2.24 AU

Year: 1056 Days

Day: 36.8 Hours

Environment

Temp: -90 °C

Axial Tilt: 2.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 62,172,967 km

• M1: 406,158 km (0.097 R)
• M2: 531,521 km (0.043 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.31 AU - 2.51 AU

Year: 1440 Days

Day: 39.5 Hours

Environment

Temp: -104 °C

Axial Tilt: 21.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.77 AU - 2.81 AU

Year: 1794 Days

Day: 25.4 Hours

Environment

Temp: -112 °C

Axial Tilt: 32.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.6

Radius: 13.4

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.98 AU - 5.52 AU

Year: 3986 Days

Day: 8 Hours

Environment

Temp: -149 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 62,172,967 km

• M1: 169,794 km (0.058 R)
• M2: 1,370,466 km (0.114 R)
• M3: 1,804,150 km (0.084 R)
• M4: 4,028,521 km (0.102 R)
• M5: 5,814,720 km (0.112 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.6

Radius: 11.6

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 5.89 AU - 8.03 AU

Year: 7069 Days

Day: 7.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,172,967 km

• M1: 148,850 km (0.105 R)
• M2: 519,254 km (0.083 R)
• M3: 969,095 km (0.103 R)
• M4: 1,642,884 km (0.116 R)
• M5: 3,081,567 km (0.068 R)
• M6: 3,872,640 km (0.106 R)
• M7: 5,231,886 km (0.104 R)
• M8: 5,987,655 km (0.087 R)
• M9: 7,716,258 km (0.11 R)
• M10: 8,196,019 km (0.111 R)
• M11: 8,996,517 km (0.101 R)
• M12: 11,049,897 km (0.068 R)
• M13: 11,454,410 km (0.101 R)
• M14: 12,186,093 km (0.117 R)
• M15: 13,116,293 km (0.078 R)
• M16: 16,386,053 km (0.049 R)
• M17: 18,000,065 km (0.06 R)
• M18: 21,935,835 km (0.09 R)
• M19: 23,726,073 km (0.069 R)
• M20: 27,966,873 km (0.104 R)
• M21: 34,479,616 km (0.049 R)
• M22: 35,454,396 km (0.108 R)
• M23: 36,894,724 km (0.112 R)
• M24: 37,458,858 km (0.1 R)
• M25: 38,373,649 km (0.063 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 191.1

Radius: 3.1

Gravity: 19.89 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 14.71 AU - 20.11 AU

Year: 27968 Days

Day: 21.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 62,172,967 km

• M1: 39,195 km (0.09 R)
• M2: 216,468 km (0.118 R)
• M3: 566,078 km (0.086 R)
• M4: 709,244 km (0.105 R)
• M5: 824,583 km (0.095 R)
• M6: 930,050 km (0.081 R)
• M7: 1,156,092 km (0.083 R)
• M8: 1,633,758 km (0.114 R)
• M9: 1,732,942 km (0.085 R)
• M10: 2,961,739 km (0.114 R)
• M11: 3,237,148 km (0.098 R)
• M12: 3,475,009 km (0.06 R)
• M13: 3,985,437 km (0.113 R)
• M14: 4,609,110 km (0.054 R)
• M15: 5,188,353 km (0.104 R)
• M16: 6,326,195 km (0.089 R)
• M17: 6,910,075 km (0.118 R)
• M18: 7,620,366 km (0.063 R)
• M19: 11,067,699 km (0.1 R)
• M20: 13,934,892 km (0.073 R)
• M21: 15,354,127 km (0.075 R)
• M22: 28,849,351 km (0.115 R)
• M23: 31,023,606 km (0.046 R)
• M24: 31,613,321 km (0.111 R)
• M25: 33,304,525 km (0.117 R)
• M26: 35,054,970 km (0.065 R)
• M27: 39,835,819 km (0.07 R)
• M28: 47,950,157 km (0.092 R)
• M29: 48,738,089 km (0.047 R)
• M30: 49,055,685 km (0.101 R)
• M31: 49,374,628 km (0.1 R)
• M32: 50,339,983 km (0.111 R)
• M33: 51,317,754 km (0.113 R)
• M34: 55,183,064 km (0.082 R)
• M35: 55,701,122 km (0.119 R)
• M36: 56,048,338 km (0.098 R)
• M37: 56,222,470 km (0.068 R)
• M38: 58,877,683 km (0.104 R)
• M39: 59,057,649 km (0.062 R)
• M40: 61,800,975 km (0.074 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: 173 - 19,388 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit