🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.51 AU - 0.71 AU

Year: 171 Days

Day: 26.3 Hours

Environment

Temp: 177 °C

Axial Tilt: 45.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.53 AU - 0.69 AU

Year: 171 Days

Day: 34.4 Hours

Environment

Temp: 164 °C

Axial Tilt: 31.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.48 AU - 0.74 AU

Year: 171 Days

Day: 46.2 Hours

Environment

Temp: 235 °C

Axial Tilt: 14 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.81 AU - 1.15 AU

Year: 347 Days

Day: 40.1 Hours

Environment

Temp: 135 °C

Axial Tilt: 48.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.97 AU - 1.11 AU

Year: 380 Days

Day: 25.6 Hours

Environment

Temp: 49 °C

Axial Tilt: 39 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.12 AU - 1.56 AU

Year: 556 Days

Day: 23.7 Hours

Environment

Temp: 6 °C

Axial Tilt: 45.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 32,308,335 km

• M1: 261,946 km (0.103 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.78 AU - 2.5 AU

Year: 1121 Days

Day: 28.1 Hours

Environment

Temp: -71 °C

Axial Tilt: 39.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.2

Radius: 10.2

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 7.43 AU - 12.38 AU

Year: 11156 Days

Day: 9.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 32,308,335 km

• M1: 407,205 km (0.079 R)
• M2: 577,597 km (0.045 R)
• M3: 794,963 km (0.109 R)
• M4: 908,209 km (0.117 R)
• M5: 1,176,886 km (0.082 R)
• M6: 1,281,007 km (0.097 R)
• M7: 1,773,034 km (0.049 R)
• M8: 1,908,719 km (0.049 R)
• M9: 2,435,902 km (0.084 R)
• M10: 2,553,486 km (0.081 R)
• M11: 2,690,069 km (0.089 R)
• M12: 2,759,333 km (0.112 R)
• M13: 2,970,864 km (0.041 R)
• M14: 3,224,433 km (0.106 R)
• M15: 3,447,333 km (0.095 R)
• M16: 3,810,707 km (0.059 R)
• M17: 3,947,888 km (0.12 R)
• M18: 4,287,475 km (0.094 R)
• M19: 4,491,826 km (0.036 R)
• M20: 4,636,636 km (0.069 R)
• M21: 5,297,111 km (0.108 R)
• M22: 5,582,843 km (0.052 R)
• M23: 5,783,603 km (0.111 R)
• M24: 5,986,907 km (0.088 R)
• M25: 6,146,528 km (0.083 R)
• M26: 6,493,595 km (0.084 R)
• M27: 6,610,730 km (0.086 R)
• M28: 7,206,877 km (0.092 R)
• M29: 7,328,052 km (0.109 R)
• M30: 8,120,472 km (0.081 R)
• M31: 8,221,450 km (0.118 R)
• M32: 8,297,446 km (0.07 R)
• M33: 8,552,510 km (0.085 R)
• M34: 9,201,466 km (0.109 R)
• M35: 9,280,454 km (0.112 R)
• M36: 9,359,591 km (0.102 R)
• M37: 9,491,985 km (0.074 R)
• M38: 9,651,905 km (0.098 R)
• M39: 9,732,089 km (0.1 R)
• M40: 9,839,351 km (0.118 R)
• M41: 9,947,062 km (0.049 R)
• M42: 10,245,360 km (0.07 R)
• M43: 10,381,943 km (0.057 R)
• M44: 10,546,650 km (0.112 R)
• M45: 10,712,105 km (0.116 R)
• M46: 10,962,083 km (0.075 R)
• M47: 11,101,658 km (0.062 R)
• M48: 11,185,882 km (0.086 R)
• M49: 11,751,960 km (0.12 R)
• M50: 12,124,907 km (0.115 R)
• M51: 12,706,394 km (0.111 R)
• M52: 13,059,595 km (0.112 R)
• M53: 13,207,697 km (0.093 R)
• M54: 13,296,857 km (0.102 R)
• M55: 13,475,776 km (0.03 R)
• M56: 13,926,515 km (0.084 R)
• M57: 14,719,682 km (0.043 R)
• M58: 15,590,043 km (0.115 R)
• M59: 15,904,946 km (0.083 R)
• M60: 16,477,158 km (0.103 R)
• M61: 16,894,686 km (0.09 R)
• M62: 16,959,163 km (0.109 R)
• M63: 17,478,417 km (0.106 R)
• M64: 18,565,694 km (0.097 R)
• M65: 19,000,126 km (0.078 R)
• M66: 19,201,784 km (0.12 R)
• M67: 19,878,864 km (0.094 R)
• M68: 19,981,189 km (0.073 R)
• M69: 20,736,359 km (0.056 R)
• M70: 20,909,294 km (0.086 R)
• M71: 21,047,972 km (0.074 R)
• M72: 21,256,661 km (0.076 R)
• M73: 22,380,889 km (0.084 R)
• M74: 22,451,798 km (0.114 R)
• M75: 22,522,857 km (0.093 R)
• M76: 22,664,975 km (0.068 R)
• M77: 23,596,671 km (0.042 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132

Radius: 10.5

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 10.63 AU - 10.85 AU

Year: 12606 Days

Day: 12.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 32,308,335 km

• M1: 131,646 km (0.049 R)
• M2: 297,849 km (0.049 R)
• M3: 545,583 km (0.117 R)
• M4: 663,766 km (0.103 R)
• M5: 778,358 km (0.051 R)
• M6: 956,230 km (0.12 R)
• M7: 1,468,154 km (0.068 R)
• M8: 1,888,972 km (0.112 R)
• M9: 2,113,220 km (0.095 R)
• M10: 2,267,605 km (0.101 R)
• M11: 2,901,451 km (0.075 R)
• M12: 2,987,021 km (0.04 R)
• M13: 3,117,171 km (0.117 R)
• M14: 3,182,994 km (0.044 R)
• M15: 3,679,958 km (0.06 R)
• M16: 3,772,858 km (0.083 R)
• M17: 4,128,752 km (0.09 R)
• M18: 4,249,776 km (0.081 R)
• M19: 4,445,899 km (0.027 R)
• M20: 4,670,146 km (0.081 R)
• M21: 4,847,121 km (0.092 R)
• M22: 5,026,339 km (0.04 R)
• M23: 5,577,308 km (0.095 R)
• M24: 5,738,275 km (0.042 R)
• M25: 5,928,115 km (0.089 R)
• M26: 6,037,471 km (0.055 R)
• M27: 6,622,847 km (0.081 R)
• M28: 6,821,962 km (0.092 R)
• M29: 6,936,704 km (0.106 R)
• M30: 7,460,895 km (0.12 R)
• M31: 7,697,858 km (0.105 R)
• M32: 8,578,092 km (0.046 R)
• M33: 9,077,449 km (0.102 R)
• M34: 9,235,425 km (0.043 R)
• M35: 9,650,409 km (0.099 R)
• M36: 10,136,901 km (0.073 R)
• M37: 10,333,772 km (0.058 R)
• M38: 10,864,845 km (0.094 R)
• M39: 11,370,934 km (0.109 R)
• M40: 11,678,208 km (0.114 R)
• M41: 11,850,096 km (0.057 R)
• M42: 11,919,210 km (0.052 R)
• M43: 12,231,272 km (0.088 R)
• M44: 12,441,008 km (0.08 R)
• M45: 12,511,169 km (0.1 R)
• M46: 13,005,889 km (0.048 R)
• M47: 14,014,478 km (0.118 R)
• M48: 14,233,789 km (0.102 R)
• M49: 14,861,651 km (0.037 R)
• M50: 15,235,197 km (0.111 R)
• M51: 17,188,197 km (0.106 R)
• M52: 17,462,410 km (0.064 R)
• M53: 17,698,475 km (0.08 R)
• M54: 18,293,576 km (0.101 R)
• M55: 18,413,404 km (0.092 R)
• M56: 19,016,283 km (0.079 R)
• M57: 20,076,633 km (0.058 R)
• M58: 20,738,753 km (0.093 R)
• M59: 20,905,405 km (0.115 R)
• M60: 21,072,506 km (0.09 R)
• M61: 21,407,904 km (0.106 R)
• M62: 21,914,592 km (0.105 R)
• M63: 22,339,749 km (0.089 R)
• M64: 23,068,889 km (0.073 R)
• M65: 23,980,239 km (0.058 R)
• M66: 25,302,535 km (0.119 R)
• M67: 25,748,636 km (0.044 R)
• M68: 26,242,309 km (0.061 R)
• M69: 27,696,101 km (0.036 R)
• M70: 28,247,968 km (0.095 R)
• M71: 28,340,269 km (0.081 R)
• M72: 28,571,548 km (0.11 R)
• M73: 28,896,474 km (0.087 R)
• M74: 29,690,540 km (0.091 R)
• M75: 30,113,752 km (0.11 R)
• M76: 30,871,316 km (0.116 R)
• M77: 31,252,342 km (0.091 R)
• M78: 31,491,249 km (0.11 R)
• M79: 31,971,010 km (0.043 R)
• M80: 32,115,521 km (0.076 R)

Kuiper Belt

Range: 30.6 - 47.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 332 - 15,239 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit