🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.43 AU - 0.63 AU

Year: 139 Days

Day: 40.2 Hours

Environment

Temp: 207 °C

Axial Tilt: 22.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.49 AU - 0.75 AU

Year: 176 Days

Day: 29.8 Hours

Environment

Temp: 228 °C

Axial Tilt: 11.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 60,648,703 km

• M1: 278,102 km (0.055 R)
• M2: 579,542 km (0.085 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.59 AU - 0.69 AU

Year: 184 Days

Day: 18.1 Hours

Environment

Temp: 222 °C

Axial Tilt: 21.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.02 AU - 2.18 AU

Year: 1095 Days

Day: 25 Hours

Environment

Temp: -75 °C

Axial Tilt: 83.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.71 AU - 2.49 AU

Year: 1095 Days

Day: 38.7 Hours

Environment

Temp: -71 °C

Axial Tilt: 33.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.69 AU - 3.81 AU

Year: 2109 Days

Day: 23.5 Hours

Environment

Temp: -110 °C

Axial Tilt: 25.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.1

Radius: 11.4

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 9.32 AU - 11.68 AU

Year: 12245 Days

Day: 10.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 60,648,703 km

• M1: 145,559 km (0.109 R)
• M2: 233,971 km (0.093 R)
• M3: 649,554 km (0.064 R)
• M4: 896,091 km (0.087 R)
• M5: 1,136,944 km (0.094 R)
• M6: 1,322,146 km (0.067 R)
• M7: 1,639,443 km (0.119 R)
• M8: 1,722,619 km (0.102 R)
• M9: 1,980,975 km (0.08 R)
• M10: 2,183,231 km (0.115 R)
• M11: 3,058,828 km (0.045 R)
• M12: 3,188,529 km (0.114 R)
• M13: 3,399,761 km (0.081 R)
• M14: 3,561,327 km (0.077 R)
• M15: 3,976,461 km (0.109 R)
• M16: 4,118,280 km (0.052 R)
• M17: 4,792,368 km (0.114 R)
• M18: 4,973,980 km (0.069 R)
• M19: 5,127,018 km (0.106 R)
• M20: 5,219,619 km (0.116 R)
• M21: 5,627,423 km (0.092 R)
• M22: 6,078,161 km (0.06 R)
• M23: 6,241,971 km (0.1 R)
• M24: 7,014,495 km (0.069 R)
• M25: 7,221,089 km (0.1 R)
• M26: 8,031,311 km (0.051 R)
• M27: 8,796,205 km (0.041 R)
• M28: 8,907,506 km (0.107 R)
• M29: 11,107,642 km (0.098 R)
• M30: 11,227,919 km (0.06 R)
• M31: 11,999,844 km (0.077 R)
• M32: 12,081,973 km (0.118 R)
• M33: 13,083,680 km (0.036 R)
• M34: 13,380,931 km (0.091 R)
• M35: 13,895,548 km (0.05 R)
• M36: 14,242,316 km (0.064 R)
• M37: 15,032,791 km (0.102 R)
• M38: 15,121,502 km (0.117 R)
• M39: 16,018,491 km (0.104 R)
• M40: 16,519,046 km (0.079 R)
• M41: 17,256,414 km (0.111 R)
• M42: 17,582,387 km (0.091 R)
• M43: 18,430,009 km (0.077 R)
• M44: 19,872,132 km (0.1 R)
• M45: 19,969,670 km (0.085 R)
• M46: 20,410,086 km (0.089 R)
• M47: 20,606,807 km (0.066 R)
• M48: 20,705,392 km (0.077 R)
• M49: 20,903,161 km (0.104 R)
• M50: 21,151,194 km (0.059 R)
• M51: 22,710,752 km (0.094 R)
• M52: 23,633,322 km (0.084 R)
• M53: 24,151,080 km (0.088 R)
• M54: 24,568,010 km (0.034 R)
• M55: 25,145,308 km (0.09 R)
• M56: 26,046,036 km (0.116 R)
• M57: 26,742,115 km (0.03 R)
• M58: 27,824,755 km (0.064 R)
• M59: 28,371,535 km (0.087 R)
• M60: 28,811,353 km (0.089 R)
• M61: 29,531,068 km (0.1 R)
• M62: 29,642,369 km (0.095 R)
• M63: 30,032,820 km (0.104 R)
• M64: 31,214,493 km (0.111 R)
• M65: 31,327,888 km (0.066 R)
• M66: 31,725,669 km (0.031 R)
• M67: 32,239,538 km (0.101 R)
• M68: 32,871,290 km (0.078 R)
• M69: 33,102,119 km (0.071 R)
• M70: 34,497,867 km (0.078 R)
• M71: 36,747,071 km (0.099 R)
• M72: 36,926,738 km (0.112 R)
• M73: 37,286,671 km (0.109 R)
• M74: 37,828,963 km (0.026 R)
• M75: 38,373,799 km (0.053 R)
• M76: 38,616,895 km (0.085 R)
• M77: 39,471,398 km (0.085 R)
• M78: 39,839,559 km (0.096 R)
• M79: 40,208,766 km (0.05 R)
• M80: 41,074,938 km (0.119 R)
• M81: 41,447,885 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 420.3

Radius: 4.7

Gravity: 19.03 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 10.98 AU - 16.34 AU

Year: 18170 Days

Day: 21.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 60,648,703 km

• M1: 73,752 km (0.107 R)
• M2: 181,013 km (0.035 R)
• M3: 283,787 km (0.095 R)
• M4: 327,320 km (0.11 R)
• M5: 438,322 km (0.027 R)
• M6: 926,759 km (0.071 R)
• M7: 1,353,113 km (0.04 R)
• M8: 1,945,820 km (0.118 R)
• M9: 2,179,192 km (0.09 R)
• M10: 2,768,309 km (0.116 R)
• M11: 3,164,593 km (0.111 R)
• M12: 3,300,578 km (0.104 R)
• M13: 3,473,363 km (0.103 R)
• M14: 3,508,220 km (0.112 R)
• M15: 5,235,776 km (0.104 R)
• M16: 5,518,516 km (0.089 R)
• M17: 5,930,957 km (0.091 R)
• M18: 6,654,861 km (0.117 R)
• M19: 6,829,143 km (0.118 R)
• M20: 8,091,150 km (0.064 R)
• M21: 8,464,696 km (0.091 R)
• M22: 8,939,670 km (0.078 R)
• M23: 9,035,562 km (0.111 R)
• M24: 9,277,162 km (0.053 R)
• M25: 9,618,844 km (0.075 R)
• M26: 9,816,014 km (0.068 R)
• M27: 10,164,128 km (0.092 R)
• M28: 10,264,359 km (0.11 R)
• M29: 10,719,435 km (0.059 R)
• M30: 11,336,377 km (0.087 R)
• M31: 11,701,545 km (0.101 R)
• M32: 13,474,430 km (0.102 R)
• M33: 14,083,892 km (0.087 R)
• M34: 14,589,084 km (0.074 R)
• M35: 14,929,120 km (0.109 R)
• M36: 15,559,525 km (0.095 R)
• M37: 16,374,235 km (0.03 R)
• M38: 16,432,877 km (0.112 R)
• M39: 16,609,552 km (0.088 R)
• M40: 17,863,183 km (0.081 R)
• M41: 18,044,794 km (0.064 R)
• M42: 18,715,741 km (0.076 R)
• M43: 18,838,710 km (0.084 R)
• M44: 19,581,613 km (0.112 R)
• M45: 19,831,292 km (0.071 R)
• M46: 21,223,749 km (0.057 R)
• M47: 22,386,274 km (0.086 R)
• M48: 22,712,846 km (0.07 R)
• M49: 22,844,044 km (0.116 R)
• M50: 24,101,713 km (0.105 R)
• M51: 25,178,219 km (0.061 R)
• M52: 26,132,953 km (0.106 R)
• M53: 26,891,264 km (0.109 R)
• M54: 27,866,942 km (0.025 R)
• M55: 27,937,103 km (0.097 R)
• M56: 28,996,256 km (0.094 R)
• M57: 29,566,374 km (0.092 R)
• M58: 30,573,167 km (0.119 R)
• M59: 32,990,220 km (0.096 R)
• M60: 33,436,171 km (0.106 R)
• M61: 36,460,292 km (0.104 R)
• M62: 37,461,700 km (0.086 R)
• M63: 37,616,684 km (0.079 R)
• M64: 38,004,741 km (0.117 R)
• M65: 40,599,516 km (0.056 R)
• M66: 40,758,538 km (0.108 R)
• M67: 41,157,217 km (0.074 R)
• M68: 41,557,092 km (0.06 R)
• M69: 41,717,461 km (0.114 R)
• M70: 42,199,615 km (0.097 R)
• M71: 42,522,148 km (0.05 R)
• M72: 43,007,443 km (0.093 R)
• M73: 43,088,525 km (0.1 R)
• M74: 45,543,875 km (0.109 R)
• M75: 49,311,198 km (0.03 R)
• M76: 57,317,227 km (0.057 R)
• M77: 57,585,008 km (0.112 R)
• M78: 58,930,042 km (0.084 R)
• M79: 59,200,365 km (0.051 R)
• M80: 59,742,059 km (0.099 R)
• M81: 60,285,548 km (0.074 R)

Kuiper Belt

Range: 30.5 - 59.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 515 - 13,782 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit