🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.54 AU - 0.64 AU

Year: 162 Days

Day: 20.4 Hours

Environment

Temp: 239 °C

Axial Tilt: 16.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.56 AU - 0.64 AU

Year: 166 Days

Day: 36.8 Hours

Environment

Temp: 210 °C

Axial Tilt: 15.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.21 AU - 1.41 AU

Year: 534 Days

Day: 44.5 Hours

Environment

Temp: 18 °C

Axial Tilt: 11.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 41,768,415 km

• M1: 292,015 km (0.092 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.17 AU - 1.65 AU

Year: 597 Days

Day: 44 Hours

Environment

Temp: 8 °C

Axial Tilt: 6.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 41,768,415 km

• M1: 675,734 km (0.104 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.11 AU - 1.83 AU

Year: 635 Days

Day: 27 Hours

Environment

Temp: -2 °C

Axial Tilt: 3.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.95 AU - 2.97 AU

Year: 1375 Days

Day: 41.1 Hours

Environment

Temp: -85 °C

Axial Tilt: 29.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.44 AU - 3.26 AU

Year: 1715 Days

Day: 34.3 Hours

Environment

Temp: -91 °C

Axial Tilt: 27.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.25 AU - 3.39 AU

Year: 2156 Days

Day: 42.3 Hours

Environment

Temp: -109 °C

Axial Tilt: 37 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.15 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.1

Radius: 8.6

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 5.48 AU - 8.48 AU

Year: 6573 Days

Day: 5.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 41,768,415 km

• M1: 145,858 km (0.092 R)
• M2: 247,734 km (0.059 R)
• M3: 361,728 km (0.086 R)
• M4: 478,414 km (0.026 R)
• M5: 532,718 km (0.063 R)
• M6: 872,156 km (0.109 R)
• M7: 1,010,982 km (0.04 R)
• M8: 1,071,121 km (0.115 R)
• M9: 1,182,571 km (0.115 R)
• M10: 1,246,150 km (0.097 R)
• M11: 1,945,670 km (0.106 R)
• M12: 2,464,924 km (0.071 R)
• M13: 3,813,100 km (0.081 R)
• M14: 3,908,693 km (0.096 R)
• M15: 4,102,273 km (0.096 R)
• M16: 4,200,259 km (0.107 R)
• M17: 4,279,247 km (0.107 R)
• M18: 4,519,202 km (0.113 R)
• M19: 5,096,051 km (0.036 R)
• M20: 5,937,988 km (0.105 R)
• M21: 6,138,300 km (0.075 R)
• M22: 6,341,005 km (0.116 R)
• M23: 6,776,185 km (0.071 R)
• M24: 7,079,420 km (0.089 R)
• M25: 7,268,213 km (0.112 R)
• M26: 7,602,863 km (0.068 R)
• M27: 8,212,774 km (0.04 R)
• M28: 8,336,641 km (0.077 R)
• M29: 8,586,170 km (0.097 R)
• M30: 9,323,986 km (0.076 R)
• M31: 9,427,359 km (0.117 R)
• M32: 9,870,916 km (0.096 R)
• M33: 9,976,383 km (0.112 R)
• M34: 11,214,754 km (0.062 R)
• M35: 13,306,731 km (0.102 R)
• M36: 14,907,428 km (0.103 R)
• M37: 15,515,693 km (0.115 R)
• M38: 17,515,966 km (0.118 R)
• M39: 17,579,695 km (0.057 R)
• M40: 18,060,801 km (0.109 R)
• M41: 18,578,560 km (0.117 R)
• M42: 19,595,825 km (0.06 R)
• M43: 19,662,097 km (0.074 R)
• M44: 20,194,815 km (0.104 R)
• M45: 20,597,532 km (0.057 R)
• M46: 20,833,598 km (0.114 R)
• M47: 20,901,216 km (0.117 R)
• M48: 21,172,437 km (0.1 R)
• M49: 21,342,530 km (0.084 R)
• M50: 22,061,946 km (0.099 R)
• M51: 22,165,318 km (0.084 R)
• M52: 22,268,989 km (0.119 R)
• M53: 22,580,751 km (0.094 R)
• M54: 23,103,446 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 67.6

Radius: 6.8

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 17.11 AU - 17.71 AU

Year: 25894 Days

Day: 22.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 41,768,415 km

• M1: 85,869 km (0.104 R)
• M2: 132,693 km (0.116 R)
• M3: 312,061 km (0.085 R)
• M4: 469,289 km (0.1 R)
• M5: 622,178 km (0.108 R)
• M6: 1,305,092 km (0.053 R)
• M7: 1,422,526 km (0.118 R)
• M8: 1,502,860 km (0.058 R)
• M9: 1,860,848 km (0.096 R)
• M10: 2,106,338 km (0.104 R)
• M11: 2,652,969 km (0.088 R)
• M12: 3,241,337 km (0.119 R)
• M13: 3,401,407 km (0.116 R)
• M14: 4,124,712 km (0.104 R)
• M15: 4,240,052 km (0.052 R)
• M16: 4,742,552 km (0.087 R)
• M17: 5,108,618 km (0.102 R)
• M18: 5,420,529 km (0.114 R)
• M19: 5,932,603 km (0.108 R)
• M20: 5,997,678 km (0.057 R)
• M21: 6,260,521 km (0.052 R)
• M22: 6,831,387 km (0.119 R)
• M23: 7,175,013 km (0.09 R)
• M24: 7,594,785 km (0.072 R)
• M25: 8,058,538 km (0.043 R)
• M26: 8,130,644 km (0.053 R)
• M27: 8,384,961 km (0.104 R)
• M28: 8,827,022 km (0.072 R)
• M29: 9,013,421 km (0.113 R)
• M30: 10,003,460 km (0.095 R)
• M31: 11,268,908 km (0.078 R)
• M32: 12,877,983 km (0.104 R)
• M33: 13,174,336 km (0.102 R)
• M34: 13,259,458 km (0.098 R)
• M35: 13,644,523 km (0.1 R)
• M36: 13,990,094 km (0.044 R)
• M37: 14,425,872 km (0.104 R)
• M38: 14,557,518 km (0.104 R)
• M39: 14,999,281 km (0.119 R)
• M40: 15,534,991 km (0.074 R)
• M41: 15,625,049 km (0.097 R)
• M42: 16,213,716 km (0.118 R)
• M43: 17,226,344 km (0.043 R)
• M44: 17,272,869 km (0.108 R)
• M45: 17,459,268 km (0.086 R)
• M46: 17,646,565 km (0.115 R)
• M47: 19,846,252 km (0.105 R)
• M48: 19,943,790 km (0.108 R)
• M49: 20,188,532 km (0.103 R)
• M50: 20,532,757 km (0.082 R)
• M51: 20,928,443 km (0.059 R)
• M52: 21,177,075 km (0.11 R)
• M53: 21,828,125 km (0.089 R)
• M54: 22,485,757 km (0.115 R)
• M55: 22,842,548 km (0.117 R)
• M56: 24,497,250 km (0.106 R)
• M57: 26,297,211 km (0.102 R)
• M58: 26,565,590 km (0.076 R)
• M59: 30,022,946 km (0.11 R)
• M60: 30,303,442 km (0.117 R)
• M61: 31,490,651 km (0.114 R)
• M62: 32,118,513 km (0.11 R)
• M63: 32,462,738 km (0.104 R)
• M64: 32,750,564 km (0.069 R)
• M65: 33,444,698 km (0.117 R)
• M66: 33,910,247 km (0.104 R)
• M67: 33,968,590 km (0.088 R)
• M68: 34,612,459 km (0.054 R)
• M69: 36,687,980 km (0.104 R)
• M70: 36,747,819 km (0.058 R)
• M71: 36,867,797 km (0.109 R)
• M72: 38,073,705 km (0.108 R)
• M73: 38,255,766 km (0.115 R)
• M74: 39,108,923 km (0.099 R)
• M75: 39,170,108 km (0.115 R)
• M76: 40,215,049 km (0.119 R)
• M77: 41,331,498 km (0.106 R)

Kuiper Belt

Range: 30.8 - 55.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 224 - 12,229 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit