🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.39 AU - 0.63 AU

Year: 127 Days

Day: 22.1 Hours

Environment

Temp: 251 °C

Axial Tilt: 35 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 39,738,308 km

• M1: 92,900 km (0.1 R)
• M2: 282,291 km (0.098 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.39 AU - 0.63 AU

Year: 127 Days

Day: 34.5 Hours

Environment

Temp: 248 °C

Axial Tilt: 34.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.66 AU - 0.92 AU

Year: 246 Days

Day: 35.1 Hours

Environment

Temp: 152 °C

Axial Tilt: 17.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.26 AU - 2.08 AU

Year: 755 Days

Day: 46.4 Hours

Environment

Temp: -23 °C

Axial Tilt: 7.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 39,738,308 km

• M1: 42,486 km (0.114 R)
• M2: 81,232 km (0.094 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.67 AU - 1.71 AU

Year: 769 Days

Day: 31.9 Hours

Environment

Temp: -41 °C

Axial Tilt: 5.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.99 AU - 2.25 AU

Year: 1080 Days

Day: 14.1 Hours

Environment

Temp: -60 °C

Axial Tilt: 23.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.03 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128

Radius: 9.1

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 8.12 AU - 11.76 AU

Year: 10964 Days

Day: 6 Hours

Environment

Temp: -160 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 39,738,308 km

• M1: 295,157 km (0.09 R)
• M2: 529,128 km (0.108 R)
• M3: 594,203 km (0.1 R)
• M4: 685,607 km (0.112 R)
• M5: 1,334,712 km (0.119 R)
• M6: 1,426,715 km (0.095 R)
• M7: 1,489,247 km (0.113 R)
• M8: 1,867,131 km (0.075 R)
• M9: 2,219,733 km (0.09 R)
• M10: 2,516,835 km (0.052 R)
• M11: 2,807,054 km (0.086 R)
• M12: 2,926,284 km (0.118 R)
• M13: 3,461,844 km (0.113 R)
• M14: 4,253,217 km (0.099 R)
• M15: 4,552,413 km (0.112 R)
• M16: 5,615,156 km (0.107 R)
• M17: 6,252,144 km (0.1 R)
• M18: 6,434,653 km (0.111 R)
• M19: 6,539,671 km (0.118 R)
• M20: 6,885,092 km (0.042 R)
• M21: 7,345,854 km (0.086 R)
• M22: 8,041,484 km (0.075 R)
• M23: 8,183,004 km (0.088 R)
• M24: 8,613,097 km (0.101 R)
• M25: 8,699,864 km (0.096 R)
• M26: 8,874,594 km (0.081 R)
• M27: 8,933,087 km (0.059 R)
• M28: 9,109,164 km (0.119 R)
• M29: 9,197,726 km (0.08 R)
• M30: 10,037,868 km (0.11 R)
• M31: 10,251,792 km (0.053 R)
• M32: 10,808,596 km (0.031 R)
• M33: 11,059,322 km (0.042 R)
• M34: 11,311,843 km (0.069 R)
• M35: 11,630,337 km (0.025 R)
• M36: 12,016,299 km (0.107 R)
• M37: 13,032,966 km (0.067 R)
• M38: 13,737,273 km (0.03 R)
• M39: 13,805,041 km (0.107 R)
• M40: 14,111,268 km (0.065 R)
• M41: 14,385,182 km (0.071 R)
• M42: 14,764,861 km (0.063 R)
• M43: 14,973,400 km (0.109 R)
• M44: 15,463,633 km (0.049 R)
• M45: 16,893,190 km (0.041 R)
• M46: 17,038,449 km (0.048 R)
• M47: 17,476,921 km (0.049 R)
• M48: 17,881,882 km (0.046 R)
• M49: 17,955,933 km (0.07 R)
• M50: 18,926,973 km (0.084 R)
• M51: 19,380,853 km (0.083 R)
• M52: 19,494,996 km (0.033 R)
• M53: 19,800,176 km (0.106 R)
• M54: 21,861,934 km (0.104 R)
• M55: 23,099,258 km (0.1 R)
• M56: 23,341,307 km (0.092 R)
• M57: 23,991,011 km (0.098 R)
• M58: 24,359,171 km (0.118 R)
• M59: 24,441,151 km (0.115 R)
• M60: 24,646,698 km (0.103 R)
• M61: 25,100,877 km (0.092 R)
• M62: 25,599,487 km (0.111 R)
• M63: 25,724,700 km (0.094 R)
• M64: 25,808,325 km (0.073 R)
• M65: 26,185,462 km (0.052 R)
• M66: 27,115,063 km (0.1 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.5

Radius: 10.1

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 8.62 AU - 12.64 AU

Year: 12125 Days

Day: 6.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 39,738,308 km

• M1: 144,063 km (0.11 R)
• M2: 321,187 km (0.107 R)
• M3: 430,692 km (0.059 R)
• M4: 650,601 km (0.052 R)
• M5: 797,207 km (0.055 R)
• M6: 1,055,712 km (0.057 R)
• M7: 1,142,180 km (0.053 R)
• M8: 1,492,688 km (0.025 R)
• M9: 1,710,951 km (0.102 R)
• M10: 1,813,575 km (0.09 R)
• M11: 1,939,686 km (0.11 R)
• M12: 2,335,522 km (0.076 R)
• M13: 3,510,464 km (0.078 R)
• M14: 3,937,715 km (0.06 R)
• M15: 4,213,274 km (0.111 R)
• M16: 4,409,846 km (0.035 R)
• M17: 5,683,074 km (0.074 R)
• M18: 6,057,667 km (0.049 R)
• M19: 6,311,983 km (0.09 R)
• M20: 6,569,590 km (0.05 R)
• M21: 6,830,938 km (0.116 R)
• M22: 7,464,934 km (0.094 R)
• M23: 8,433,580 km (0.103 R)
• M24: 9,404,769 km (0.105 R)
• M25: 9,884,979 km (0.12 R)
• M26: 9,959,628 km (0.089 R)
• M27: 10,754,142 km (0.076 R)
• M28: 11,139,656 km (0.106 R)
• M29: 11,766,022 km (0.113 R)
• M30: 11,884,653 km (0.085 R)
• M31: 12,203,297 km (0.086 R)
• M32: 13,463,958 km (0.114 R)
• M33: 14,004,904 km (0.089 R)
• M34: 14,130,865 km (0.065 R)
• M35: 14,979,534 km (0.062 R)
• M36: 15,539,928 km (0.075 R)
• M37: 16,063,371 km (0.095 R)
• M38: 16,415,674 km (0.115 R)
• M39: 16,948,691 km (0.077 R)
• M40: 17,127,759 km (0.113 R)
• M41: 17,217,369 km (0.119 R)
• M42: 18,582,000 km (0.055 R)
• M43: 18,720,378 km (0.11 R)
• M44: 19,230,657 km (0.102 R)
• M45: 19,323,856 km (0.098 R)
• M46: 19,981,040 km (0.065 R)
• M47: 21,268,928 km (0.102 R)
• M48: 21,462,059 km (0.095 R)
• M49: 21,607,168 km (0.098 R)
• M50: 21,995,973 km (0.093 R)
• M51: 23,176,301 km (0.12 R)
• M52: 24,477,952 km (0.117 R)
• M53: 25,290,866 km (0.092 R)
• M54: 26,474,784 km (0.092 R)
• M55: 26,578,605 km (0.072 R)
• M56: 26,682,575 km (0.115 R)
• M57: 26,995,085 km (0.112 R)
• M58: 27,361,451 km (0.095 R)
• M59: 28,151,926 km (0.102 R)
• M60: 28,629,741 km (0.032 R)
• M61: 29,324,773 km (0.112 R)
• M62: 29,485,890 km (0.072 R)
• M63: 29,863,176 km (0.085 R)
• M64: 30,296,112 km (0.113 R)
• M65: 30,895,102 km (0.109 R)
• M66: 31,718,040 km (0.058 R)
• M67: 31,993,898 km (0.059 R)
• M68: 32,659,310 km (0.104 R)
• M69: 32,938,010 km (0.076 R)
• M70: 34,003,895 km (0.082 R)
• M71: 34,229,788 km (0.054 R)
• M72: 35,024,153 km (0.105 R)
• M73: 35,939,542 km (0.104 R)
• M74: 36,342,409 km (0.113 R)
• M75: 36,978,649 km (0.049 R)
• M76: 37,618,629 km (0.113 R)

Kuiper Belt

Range: 31.4 - 60.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 444 - 15,131 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit