🌌 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: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.41 AU - 0.67 AU

Year: 147 Days

Day: 13.3 Hours

Environment

Temp: 207 °C

Axial Tilt: 31.4 °

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: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.57 AU - 0.65 AU

Year: 177 Days

Day: 36.9 Hours

Environment

Temp: 161 °C

Axial Tilt: 38.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 99,810,678 km

• M1: 278,701 km (0.041 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.04 AU - 1.06 AU

Year: 399 Days

Day: 27.6 Hours

Environment

Temp: 7 °C

Axial Tilt: 4.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.07 AU - 1.09 AU

Year: 416 Days

Day: 31.2 Hours

Environment

Temp: -3 °C

Axial Tilt: 9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.17 AU - 1.29 AU

Year: 506 Days

Day: 47.8 Hours

Environment

Temp: -13 °C

Axial Tilt: 24.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 99,810,678 km

• M1: 182,659 km (0.075 R)
• M2: 747,690 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.6

Radius: 14.1

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 4.81 AU - 5.39 AU

Year: 4271 Days

Day: 8.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 99,810,678 km

• M1: 176,226 km (0.053 R)
• M2: 326,273 km (0.053 R)
• M3: 623,524 km (0.11 R)
• M4: 759,808 km (0.113 R)
• M5: 857,046 km (0.109 R)
• M6: 998,715 km (0.114 R)
• M7: 1,107,323 km (0.102 R)
• M8: 1,220,120 km (0.074 R)
• M9: 1,337,255 km (0.119 R)
• M10: 1,427,762 km (0.098 R)
• M11: 1,567,786 km (0.089 R)
• M12: 1,795,025 km (0.09 R)
• M13: 1,912,908 km (0.101 R)
• M14: 2,068,490 km (0.119 R)
• M15: 2,228,410 km (0.092 R)
• M16: 2,337,317 km (0.059 R)
• M17: 2,485,569 km (0.092 R)
• M18: 2,656,260 km (0.036 R)
• M19: 2,830,841 km (0.08 R)
• M20: 2,929,575 km (0.112 R)
• M21: 3,089,944 km (0.098 R)
• M22: 3,356,976 km (0.113 R)
• M23: 4,180,961 km (0.037 R)
• M24: 4,546,279 km (0.112 R)
• M25: 4,874,647 km (0.06 R)
• M26: 5,210,793 km (0.107 R)
• M27: 5,804,846 km (0.091 R)
• M28: 5,905,974 km (0.101 R)
• M29: 6,161,338 km (0.1 R)
• M30: 6,342,351 km (0.058 R)
• M31: 7,219,444 km (0.061 R)
• M32: 8,505,088 km (0.087 R)
• M33: 8,735,917 km (0.031 R)
• M34: 9,322,191 km (0.054 R)
• M35: 9,800,456 km (0.065 R)
• M36: 10,625,638 km (0.038 R)
• M37: 10,874,419 km (0.084 R)
• M38: 11,282,821 km (0.041 R)
• M39: 11,504,824 km (0.071 R)
• M40: 11,856,678 km (0.112 R)
• M41: 13,066,327 km (0.092 R)
• M42: 13,199,469 km (0.096 R)
• M43: 13,332,910 km (0.118 R)
• M44: 14,109,772 km (0.119 R)
• M45: 14,349,129 km (0.053 R)
• M46: 14,486,609 km (0.062 R)
• M47: 14,936,151 km (0.069 R)
• M48: 15,636,717 km (0.094 R)
• M49: 16,204,890 km (0.113 R)
• M50: 16,419,713 km (0.093 R)
• M51: 16,997,310 km (0.096 R)
• M52: 17,398,232 km (0.069 R)
• M53: 18,882,542 km (0.08 R)
• M54: 19,033,187 km (0.08 R)
• M55: 19,792,546 km (0.026 R)
• M56: 20,484,436 km (0.063 R)
• M57: 20,678,016 km (0.097 R)
• M58: 21,223,300 km (0.116 R)
• M59: 21,340,735 km (0.101 R)
• M60: 21,576,351 km (0.052 R)
• M61: 21,812,866 km (0.103 R)
• M62: 22,129,564 km (0.109 R)
• M63: 22,407,816 km (0.117 R)
• M64: 23,088,636 km (0.095 R)
• M65: 23,898,260 km (0.087 R)
• M66: 24,224,682 km (0.107 R)
• M67: 24,511,462 km (0.062 R)
• M68: 25,962,710 km (0.046 R)
• M69: 26,214,334 km (0.086 R)
• M70: 26,382,482 km (0.046 R)
• M71: 27,016,328 km (0.113 R)
• M72: 27,271,243 km (0.104 R)
• M73: 27,441,785 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.8

Radius: 9

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 6.71 AU - 9.91 AU

Year: 8884 Days

Day: 11.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 99,810,678 km

• M1: 115,490 km (0.111 R)
• M2: 214,823 km (0.113 R)
• M3: 403,166 km (0.108 R)
• M4: 512,522 km (0.116 R)
• M5: 809,025 km (0.027 R)
• M6: 1,138,141 km (0.058 R)
• M7: 1,526,497 km (0.066 R)
• M8: 1,933,253 km (0.096 R)
• M9: 2,083,450 km (0.108 R)
• M10: 2,487,513 km (0.107 R)
• M11: 2,627,687 km (0.078 R)
• M12: 3,189,277 km (0.12 R)
• M13: 3,393,179 km (0.117 R)
• M14: 3,522,880 km (0.113 R)
• M15: 4,168,245 km (0.086 R)
• M16: 4,590,111 km (0.117 R)
• M17: 5,173,693 km (0.106 R)
• M18: 5,353,360 km (0.113 R)
• M19: 6,124,238 km (0.098 R)
• M20: 7,061,468 km (0.109 R)
• M21: 7,327,902 km (0.079 R)
• M22: 7,496,200 km (0.071 R)
• M23: 7,836,385 km (0.111 R)
• M24: 8,461,555 km (0.056 R)
• M25: 8,744,594 km (0.082 R)
• M26: 9,685,864 km (0.109 R)
• M27: 9,907,717 km (0.114 R)
• M28: 10,621,000 km (0.097 R)
• M29: 10,888,032 km (0.105 R)
• M30: 12,697,269 km (0.068 R)
• M31: 12,778,052 km (0.089 R)
• M32: 12,980,607 km (0.054 R)
• M33: 13,926,515 km (0.087 R)
• M34: 14,428,864 km (0.069 R)
• M35: 15,065,104 km (0.107 R)
• M36: 15,927,685 km (0.102 R)
• M37: 16,452,923 km (0.085 R)
• M38: 17,340,936 km (0.08 R)
• M39: 17,565,333 km (0.102 R)
• M40: 17,790,628 km (0.1 R)
• M41: 18,062,447 km (0.098 R)
• M42: 18,518,421 km (0.101 R)
• M43: 19,070,587 km (0.115 R)
• M44: 19,255,789 km (0.096 R)
• M45: 19,815,285 km (0.08 R)
• M46: 20,427,290 km (0.079 R)
• M47: 20,759,397 km (0.041 R)
• M48: 21,045,428 km (0.097 R)
• M49: 21,863,130 km (0.115 R)
• M50: 22,105,629 km (0.085 R)
• M51: 22,986,012 km (0.04 R)
• M52: 23,331,434 km (0.091 R)
• M53: 24,227,674 km (0.108 R)
• M54: 24,378,170 km (0.098 R)
• M55: 24,932,430 km (0.069 R)
• M56: 25,542,041 km (0.098 R)
• M57: 25,695,080 km (0.092 R)
• M58: 26,568,731 km (0.116 R)
• M59: 26,672,104 km (0.083 R)
• M60: 26,879,297 km (0.084 R)
• M61: 27,399,748 km (0.054 R)
• M62: 27,661,245 km (0.075 R)
• M63: 28,239,291 km (0.059 R)
• M64: 29,140,618 km (0.063 R)
• M65: 29,300,688 km (0.074 R)
• M66: 29,728,837 km (0.118 R)
• M67: 30,375,100 km (0.075 R)
• M68: 30,537,264 km (0.092 R)
• M69: 30,699,877 km (0.109 R)
• M70: 31,134,758 km (0.08 R)
• M71: 31,626,486 km (0.104 R)
• M72: 31,955,751 km (0.102 R)
• M73: 32,065,705 km (0.068 R)
• M74: 33,562,881 km (0.093 R)
• M75: 33,954,827 km (0.082 R)
• M76: 34,686,660 km (0.116 R)
• M77: 35,537,573 km (0.103 R)
• M78: 36,051,292 km (0.094 R)
• M79: 37,607,558 km (0.07 R)
• M80: 37,956,271 km (0.101 R)
• M81: 38,247,837 km (0.119 R)
• M82: 38,715,779 km (0.098 R)
• M83: 39,244,458 km (0.058 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 836.2

Radius: 6.6

Gravity: 19.2 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 13.74 AU - 21.3 AU

Year: 27196 Days

Day: 17.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 99,810,678 km

• M1: 98,435 km (0.106 R)
• M2: 364,121 km (0.1 R)
• M3: 407,505 km (0.077 R)
• M4: 1,034,020 km (0.111 R)
• M5: 1,098,198 km (0.098 R)
• M6: 1,163,722 km (0.075 R)
• M7: 2,597,318 km (0.07 R)
• M8: 2,685,431 km (0.052 R)
• M9: 3,002,280 km (0.119 R)
• M10: 3,235,802 km (0.066 R)
• M11: 3,870,247 km (0.114 R)
• M12: 4,022,238 km (0.103 R)
• M13: 4,227,785 km (0.112 R)
• M14: 4,542,539 km (0.102 R)
• M15: 5,645,524 km (0.088 R)
• M16: 6,167,920 km (0.032 R)
• M17: 9,069,072 km (0.079 R)
• M18: 11,734,457 km (0.071 R)
• M19: 13,841,094 km (0.078 R)
• M20: 15,255,692 km (0.035 R)
• M21: 15,335,577 km (0.074 R)
• M22: 15,415,612 km (0.117 R)
• M23: 15,980,045 km (0.074 R)
• M24: 17,462,111 km (0.06 R)
• M25: 17,713,435 km (0.081 R)
• M26: 18,901,841 km (0.083 R)
• M27: 22,073,764 km (0.077 R)
• M28: 23,167,175 km (0.07 R)
• M29: 23,535,485 km (0.091 R)
• M30: 25,217,115 km (0.114 R)
• M31: 26,167,959 km (0.076 R)
• M32: 27,908,829 km (0.087 R)
• M33: 28,104,503 km (0.082 R)
• M34: 32,011,252 km (0.108 R)
• M35: 32,318,825 km (0.091 R)
• M36: 37,047,314 km (0.112 R)
• M37: 37,262,436 km (0.066 R)
• M38: 38,889,163 km (0.034 R)
• M39: 39,217,231 km (0.05 R)
• M40: 39,766,106 km (0.04 R)
• M41: 42,660,974 km (0.118 R)
• M42: 43,112,311 km (0.061 R)
• M43: 43,565,294 km (0.109 R)
• M44: 43,792,383 km (0.108 R)
• M45: 45,277,890 km (0.101 R)
• M46: 45,969,032 km (0.051 R)
• M47: 47,361,788 km (0.101 R)
• M48: 47,946,267 km (0.098 R)
• M49: 48,180,687 km (0.077 R)
• M50: 50,069,809 km (0.089 R)
• M51: 50,188,739 km (0.112 R)
• M52: 51,502,508 km (0.1 R)
• M53: 53,798,386 km (0.057 R)
• M54: 54,530,369 km (0.066 R)
• M55: 54,775,111 km (0.075 R)
• M56: 54,897,631 km (0.102 R)
• M57: 55,757,670 km (0.073 R)
• M58: 56,004,057 km (0.107 R)
• M59: 56,374,611 km (0.086 R)
• M60: 58,114,285 km (0.049 R)
• M61: 59,745,350 km (0.084 R)
• M62: 60,883,341 km (0.112 R)
• M63: 61,518,684 km (0.115 R)
• M64: 63,437,875 km (0.092 R)
• M65: 66,549,211 km (0.062 R)
• M66: 68,650,762 km (0.107 R)
• M67: 71,843,779 km (0.106 R)
• M68: 74,677,163 km (0.115 R)
• M69: 74,812,998 km (0.102 R)
• M70: 76,175,834 km (0.097 R)
• M71: 77,409,418 km (0.089 R)
• M72: 78,097,718 km (0.096 R)
• M73: 78,787,813 km (0.101 R)
• M74: 81,568,837 km (0.119 R)
• M75: 84,381,726 km (0.064 R)
• M76: 86,940,448 km (0.056 R)
• M77: 89,813,326 km (0.117 R)
• M78: 91,842,770 km (0.052 R)
• M79: 92,425,304 km (0.083 R)
• M80: 97,723,762 km (0.093 R)
• M81: 98,021,013 km (0.078 R)
• M82: 98,765,412 km (0.082 R)
• M83: 99,810,652 km (0.049 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 527 - 18,730 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit