🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.76 AU - 0.94 AU

Year: 300 Days

Day: 13.5 Hours

Environment

Temp: 22 °C

Axial Tilt: 6.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.07 AU - 1.07 AU

Year: 424 Days

Day: 42.1 Hours

Environment

Temp: -7 °C

Axial Tilt: 23.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 36,553,708 km

• M1: 630,705 km (0.114 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.35 AU - 1.49 AU

Year: 648 Days

Day: 32.5 Hours

Environment

Temp: -38 °C

Axial Tilt: 36.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,553,708 km

• M1: 797,506 km (0.07 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.05

Radius: 1.02

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.24 AU - 1.64 AU

Year: 662 Days

Day: 32.6 Hours

Environment

Temp: -42 °C

Axial Tilt: 34.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,553,708 km

• M1: 58,493 km (0.093 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.49 AU - 2.07 AU

Year: 909 Days

Day: 37.4 Hours

Environment

Temp: -77 °C

Axial Tilt: 7.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,553,708 km

• M1: 1,240,914 km (0.093 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.43

Radius: 1.15

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.86 AU - 2.34 AU

Year: 1165 Days

Day: 36 Hours

Environment

Temp: -92 °C

Axial Tilt: 45.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,553,708 km

• M1: 147,504 km (0.063 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.87 AU - 2.73 AU

Year: 1336 Days

Day: 41.2 Hours

Environment

Temp: -91 °C

Axial Tilt: 13.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,553,708 km

• M1: 1,609,224 km (0.094 R)

Asteroid Belt

Center: 6.91 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 11.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.9

Radius: 10.1

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 10.73 AU - 12.29 AU

Year: 14951 Days

Day: 7.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 36,553,708 km

• M1: 134,788 km (0.116 R)
• M2: 343,926 km (0.109 R)
• M3: 508,633 km (0.115 R)
• M4: 621,280 km (0.11 R)
• M5: 715,377 km (0.105 R)
• M6: 1,277,566 km (0.069 R)
• M7: 1,813,425 km (0.112 R)
• M8: 2,263,117 km (0.055 R)
• M9: 2,435,154 km (0.092 R)
• M10: 2,656,409 km (0.111 R)
• M11: 2,953,960 km (0.053 R)
• M12: 3,024,271 km (0.117 R)
• M13: 3,095,030 km (0.107 R)
• M14: 3,190,324 km (0.041 R)
• M15: 3,457,356 km (0.099 R)
• M16: 3,910,189 km (0.077 R)
• M17: 4,651,895 km (0.117 R)
• M18: 4,982,955 km (0.059 R)
• M19: 6,291,787 km (0.065 R)
• M20: 6,535,183 km (0.05 R)
• M21: 6,968,568 km (0.076 R)
• M22: 7,062,665 km (0.116 R)
• M23: 7,283,920 km (0.108 R)
• M24: 7,700,850 km (0.088 R)
• M25: 8,390,795 km (0.094 R)
• M26: 9,066,229 km (0.093 R)
• M27: 9,134,745 km (0.077 R)
• M28: 9,375,897 km (0.092 R)
• M29: 9,829,328 km (0.106 R)
• M30: 9,970,249 km (0.103 R)
• M31: 10,289,940 km (0.068 R)
• M32: 10,433,105 km (0.12 R)
• M33: 10,612,922 km (0.094 R)
• M34: 10,721,380 km (0.114 R)
• M35: 11,379,760 km (0.091 R)
• M36: 11,751,062 km (0.081 R)
• M37: 11,900,810 km (0.096 R)
• M38: 12,013,457 km (0.075 R)
• M39: 12,429,638 km (0.09 R)
• M40: 13,864,132 km (0.049 R)
• M41: 13,982,763 km (0.028 R)
• M42: 14,340,601 km (0.116 R)
• M43: 14,540,763 km (0.101 R)
• M44: 14,903,389 km (0.074 R)
• M45: 15,228,166 km (0.092 R)
• M46: 15,309,696 km (0.051 R)
• M47: 15,555,187 km (0.116 R)
• M48: 15,926,040 km (0.114 R)
• M49: 17,737,520 km (0.058 R)
• M50: 18,038,661 km (0.104 R)
• M51: 18,776,777 km (0.099 R)
• M52: 19,347,941 km (0.116 R)
• M53: 19,657,908 km (0.071 R)
• M54: 20,058,681 km (0.108 R)
• M55: 20,462,296 km (0.098 R)
• M56: 20,552,354 km (0.111 R)
• M57: 20,732,918 km (0.087 R)
• M58: 21,050,066 km (0.063 R)
• M59: 22,242,062 km (0.105 R)
• M60: 23,126,933 km (0.106 R)
• M61: 23,455,899 km (0.103 R)
• M62: 23,928,479 km (0.101 R)
• M63: 24,070,896 km (0.097 R)
• M64: 24,308,756 km (0.109 R)
• M65: 24,739,000 km (0.044 R)
• M66: 24,931,084 km (0.079 R)
• M67: 25,027,275 km (0.084 R)
• M68: 26,044,989 km (0.105 R)
• M69: 27,175,052 km (0.064 R)
• M70: 29,788,377 km (0.092 R)
• M71: 30,814,618 km (0.091 R)
• M72: 32,270,953 km (0.116 R)
• M73: 32,691,174 km (0.061 R)
• M74: 32,849,149 km (0.093 R)
• M75: 33,856,093 km (0.074 R)
• M76: 34,229,489 km (0.091 R)
• M77: 36,226,321 km (0.097 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 436 - 18,140 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit