🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.55 AU - 0.59 AU

Year: 150 Days

Day: 18.2 Hours

Environment

Temp: 213 °C

Axial Tilt: 49.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.62 AU - 0.94 AU

Year: 240 Days

Day: 35.1 Hours

Environment

Temp: 177 °C

Axial Tilt: 32.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 59,354,941 km

• M1: 20,345 km (0.095 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.08 AU - 1.44 AU

Year: 493 Days

Day: 21.1 Hours

Environment

Temp: 27 °C

Axial Tilt: 5.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.74 AU - 2.48 AU

Year: 1067 Days

Day: 36.4 Hours

Environment

Temp: -48 °C

Axial Tilt: 3.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.3 AU - 3.48 AU

Year: 2174 Days

Day: 37.2 Hours

Environment

Temp: -89 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,354,941 km

• M1: 283,488 km (0.067 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.06 AU - 4.84 AU

Year: 3269 Days

Day: 41.3 Hours

Environment

Temp: -129 °C

Axial Tilt: 48.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Ice Giant

Semi-Major Axis: 17.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 750.3

Radius: 4.1

Gravity: 44.63 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 14.36 AU - 19.96 AU

Year: 24755 Days

Day: 23.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 59,354,941 km

• M1: 59,091 km (0.101 R)
• M2: 93,050 km (0.077 R)
• M3: 642,672 km (0.068 R)
• M4: 801,246 km (0.036 R)
• M5: 828,772 km (0.048 R)
• M6: 971,788 km (0.104 R)
• M7: 1,280,707 km (0.111 R)
• M8: 1,907,074 km (0.093 R)
• M9: 2,994,800 km (0.108 R)
• M10: 3,901,812 km (0.03 R)
• M11: 4,237,958 km (0.099 R)
• M12: 4,937,777 km (0.055 R)
• M13: 5,943,374 km (0.094 R)
• M14: 6,052,730 km (0.083 R)
• M15: 6,107,782 km (0.087 R)
• M16: 6,497,335 km (0.113 R)
• M17: 6,894,816 km (0.086 R)
• M18: 7,009,857 km (0.036 R)
• M19: 7,535,245 km (0.113 R)
• M20: 7,952,623 km (0.113 R)
• M21: 8,255,259 km (0.048 R)
• M22: 8,934,583 km (0.063 R)
• M23: 9,185,908 km (0.045 R)
• M24: 10,345,740 km (0.056 R)
• M25: 10,942,785 km (0.12 R)
• M26: 11,756,149 km (0.086 R)
• M27: 12,170,086 km (0.076 R)
• M28: 12,239,499 km (0.072 R)
• M29: 13,154,290 km (0.106 R)
• M30: 14,751,846 km (0.1 R)
• M31: 17,808,879 km (0.076 R)
• M32: 17,966,704 km (0.064 R)
• M33: 18,443,024 km (0.107 R)
• M34: 18,923,532 km (0.04 R)
• M35: 19,246,065 km (0.036 R)
• M36: 20,969,433 km (0.073 R)
• M37: 22,400,187 km (0.109 R)
• M38: 23,256,335 km (0.116 R)
• M39: 23,688,524 km (0.05 R)
• M40: 24,560,679 km (0.091 R)
• M41: 24,824,420 km (0.095 R)
• M42: 25,443,307 km (0.105 R)
• M43: 25,532,168 km (0.057 R)
• M44: 25,621,029 km (0.067 R)
• M45: 26,246,498 km (0.053 R)
• M46: 26,426,165 km (0.063 R)
• M47: 27,058,066 km (0.054 R)
• M48: 27,148,722 km (0.05 R)
• M49: 27,694,904 km (0.096 R)
• M50: 31,809,594 km (0.097 R)
• M51: 33,839,338 km (0.099 R)
• M52: 33,937,025 km (0.111 R)
• M53: 34,525,244 km (0.092 R)
• M54: 34,722,115 km (0.081 R)
• M55: 34,820,550 km (0.058 R)
• M56: 35,116,754 km (0.081 R)
• M57: 36,710,569 km (0.097 R)
• M58: 38,531,475 km (0.097 R)
• M59: 38,837,851 km (0.119 R)
• M60: 40,381,701 km (0.105 R)
• M61: 40,796,686 km (0.099 R)
• M62: 42,155,483 km (0.082 R)
• M63: 42,681,918 km (0.12 R)
• M64: 44,381,499 km (0.114 R)
• M65: 46,536,606 km (0.084 R)
• M66: 48,175,301 km (0.103 R)
• M67: 48,946,479 km (0.05 R)
• M68: 49,388,989 km (0.056 R)
• M69: 49,610,693 km (0.103 R)
• M70: 51,508,791 km (0.112 R)
• M71: 53,886,200 km (0.093 R)
• M72: 54,686,549 km (0.1 R)
• M73: 54,916,032 km (0.093 R)
• M74: 55,721,317 km (0.099 R)
• M75: 56,299,064 km (0.08 R)
• M76: 58,629,649 km (0.105 R)
• M77: 58,981,952 km (0.107 R)
• M78: 59,688,653 km (0.11 R)
• M79: 60,635,159 km (0.088 R)
• M80: 60,991,501 km (0.066 R)
• M81: 61,348,441 km (0.034 R)
• M82: 64,470,998 km (0.118 R)
• M83: 69,498,982 km (0.115 R)
• M84: 72,248,292 km (0.102 R)
• M85: 73,256,880 km (0.093 R)
• M86: 74,397,115 km (0.107 R)
• M87: 75,287,971 km (0.059 R)
• M88: 77,723,873 km (0.075 R)
• M89: 80,315,656 km (0.105 R)
• M90: 80,445,956 km (0.066 R)
• M91: 81,884,339 km (0.075 R)
• M92: 86,383,495 km (0.113 R)
• M93: 88,662,918 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 269.5

Radius: 3.6

Gravity: 20.79 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 16.8 AU - 17.92 AU

Year: 25189 Days

Day: 23.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 59,354,941 km

• M1: 61,186 km (0.09 R)
• M2: 815,308 km (0.117 R)
• M3: 882,927 km (0.106 R)
• M4: 975,977 km (0.096 R)
• M5: 999,763 km (0.093 R)
• M6: 1,047,933 km (0.058 R)
• M7: 1,222,514 km (0.051 R)
• M8: 1,379,442 km (0.036 R)
• M9: 1,542,653 km (0.078 R)
• M10: 2,192,656 km (0.107 R)
• M11: 3,090,393 km (0.065 R)
• M12: 3,339,772 km (0.06 R)
• M13: 3,857,531 km (0.066 R)
• M14: 4,048,418 km (0.061 R)
• M15: 4,965,752 km (0.045 R)
• M16: 5,215,131 km (0.098 R)
• M17: 6,208,760 km (0.074 R)
• M18: 6,522,617 km (0.069 R)
• M19: 8,461,256 km (0.114 R)
• M20: 8,808,771 km (0.067 R)
• M21: 9,775,473 km (0.105 R)
• M22: 9,931,204 km (0.032 R)
• M23: 10,087,684 km (0.095 R)
• M24: 10,297,569 km (0.089 R)
• M25: 11,151,773 km (0.101 R)
• M26: 11,532,500 km (0.115 R)
• M27: 11,587,253 km (0.098 R)
• M28: 11,972,916 km (0.117 R)
• M29: 12,306,818 km (0.086 R)
• M30: 12,643,713 km (0.108 R)
• M31: 13,212,035 km (0.078 R)
• M32: 13,326,777 km (0.113 R)
• M33: 13,557,157 km (0.067 R)
• M34: 13,614,902 km (0.096 R)
• M35: 14,197,287 km (0.054 R)
• M36: 14,728,359 km (0.055 R)
• M37: 14,787,750 km (0.079 R)
• M38: 17,984,656 km (0.077 R)
• M39: 18,111,665 km (0.116 R)
• M40: 18,366,729 km (0.109 R)
• M41: 18,558,813 km (0.093 R)
• M42: 19,463,880 km (0.105 R)
• M43: 19,659,703 km (0.12 R)
• M44: 19,921,948 km (0.055 R)
• M45: 20,449,580 km (0.079 R)
• M46: 20,515,852 km (0.058 R)
• M47: 21,115,590 km (0.109 R)
• M48: 21,249,630 km (0.077 R)
• M49: 24,621,416 km (0.101 R)
• M50: 25,614,746 km (0.085 R)
• M51: 25,757,761 km (0.077 R)
• M52: 27,567,297 km (0.11 R)
• M53: 27,640,451 km (0.115 R)
• M54: 28,895,278 km (0.059 R)
• M55: 29,942,612 km (0.076 R)
• M56: 30,546,539 km (0.09 R)
• M57: 31,078,359 km (0.118 R)
• M58: 31,536,578 km (0.049 R)
• M59: 32,691,922 km (0.074 R)
• M60: 33,235,860 km (0.077 R)
• M61: 33,704,400 km (0.102 R)
• M62: 33,939,419 km (0.09 R)
• M63: 34,017,957 km (0.055 R)
• M64: 34,885,326 km (0.102 R)
• M65: 35,680,139 km (0.088 R)
• M66: 36,480,937 km (0.047 R)
• M67: 36,964,287 km (0.111 R)
• M68: 37,368,651 km (0.097 R)
• M69: 38,263,395 km (0.101 R)
• M70: 39,825,496 km (0.115 R)
• M71: 43,096,454 km (0.1 R)
• M72: 44,720,937 km (0.073 R)
• M73: 45,324,415 km (0.12 R)
• M74: 45,843,819 km (0.104 R)
• M75: 46,539,598 km (0.107 R)
• M76: 47,853,367 km (0.114 R)
• M77: 48,205,670 km (0.06 R)
• M78: 48,647,432 km (0.1 R)
• M79: 49,713,018 km (0.054 R)
• M80: 49,891,339 km (0.114 R)
• M81: 50,875,992 km (0.062 R)
• M82: 50,965,900 km (0.095 R)
• M83: 51,145,717 km (0.071 R)
• M84: 52,955,552 km (0.11 R)
• M85: 54,878,333 km (0.046 R)
• M86: 59,736,973 km (0.099 R)
• M87: 60,686,919 km (0.1 R)
• M88: 61,737,695 km (0.061 R)
• M89: 62,794,454 km (0.105 R)
• M90: 63,470,038 km (0.089 R)
• M91: 63,857,197 km (0.08 R)
• M92: 64,148,016 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 198.4

Radius: 7

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 17.13 AU - 17.97 AU

Year: 25604 Days

Day: 16.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 59,354,941 km

• M1: 102,026 km (0.055 R)
• M2: 426,354 km (0.053 R)
• M3: 579,093 km (0.102 R)
• M4: 872,455 km (0.078 R)
• M5: 1,069,176 km (0.069 R)
• M6: 1,137,991 km (0.107 R)
• M7: 1,304,344 km (0.11 R)
• M8: 1,795,174 km (0.069 R)
• M9: 2,706,375 km (0.09 R)
• M10: 4,314,851 km (0.104 R)
• M11: 4,956,925 km (0.107 R)
• M12: 5,073,313 km (0.102 R)
• M13: 5,269,286 km (0.084 R)
• M14: 5,388,067 km (0.082 R)
• M15: 5,831,475 km (0.106 R)
• M16: 6,036,872 km (0.096 R)
• M17: 7,011,951 km (0.108 R)
• M18: 7,274,346 km (0.092 R)
• M19: 7,451,171 km (0.12 R)
• M20: 8,218,009 km (0.042 R)
• M21: 8,915,435 km (0.116 R)
• M22: 9,295,114 km (0.043 R)
• M23: 9,535,069 km (0.086 R)
• M24: 11,322,464 km (0.084 R)
• M25: 11,424,789 km (0.067 R)
• M26: 11,527,414 km (0.064 R)
• M27: 12,517,303 km (0.091 R)
• M28: 12,942,310 km (0.106 R)
• M29: 13,156,534 km (0.055 R)
• M30: 13,588,573 km (0.045 R)
• M31: 13,860,991 km (0.102 R)
• M32: 14,688,865 km (0.09 R)
• M33: 16,566,169 km (0.09 R)
• M34: 16,915,480 km (0.091 R)
• M35: 17,208,542 km (0.083 R)
• M36: 17,385,217 km (0.077 R)
• M37: 17,978,223 km (0.107 R)
• M38: 18,698,537 km (0.079 R)
• M39: 19,062,359 km (0.055 R)
• M40: 19,673,766 km (0.105 R)
• M41: 19,920,153 km (0.087 R)
• M42: 20,978,558 km (0.095 R)
• M43: 22,503,708 km (0.09 R)
• M44: 23,084,896 km (0.071 R)
• M45: 23,475,047 km (0.108 R)
• M46: 23,670,871 km (0.118 R)
• M47: 23,736,395 km (0.077 R)
• M48: 23,801,769 km (0.11 R)
• M49: 24,592,244 km (0.114 R)
• M50: 24,924,202 km (0.082 R)
• M51: 25,257,506 km (0.071 R)
• M52: 26,198,925 km (0.058 R)
• M53: 26,537,914 km (0.085 R)
• M54: 27,014,832 km (0.073 R)
• M55: 28,046,459 km (0.107 R)
• M56: 28,115,723 km (0.082 R)
• M57: 28,323,814 km (0.028 R)
• M58: 28,601,916 km (0.095 R)
• M59: 29,231,274 km (0.075 R)
• M60: 29,794,361 km (0.048 R)
• M61: 30,219,069 km (0.092 R)
• M62: 31,361,398 km (0.116 R)
• M63: 31,433,355 km (0.098 R)
• M64: 32,663,498 km (0.089 R)
• M65: 32,809,207 km (0.073 R)
• M66: 33,101,371 km (0.071 R)
• M67: 36,447,128 km (0.066 R)
• M68: 36,901,307 km (0.08 R)
• M69: 37,205,140 km (0.065 R)
• M70: 37,738,905 km (0.079 R)
• M71: 37,815,350 km (0.057 R)
• M72: 37,891,794 km (0.042 R)
• M73: 37,968,388 km (0.115 R)
• M74: 38,505,744 km (0.058 R)
• M75: 38,659,680 km (0.114 R)
• M76: 38,891,108 km (0.053 R)
• M77: 39,122,835 km (0.065 R)
• M78: 39,355,161 km (0.034 R)
• M79: 40,288,801 km (0.087 R)
• M80: 40,993,856 km (0.052 R)
• M81: 41,861,224 km (0.116 R)
• M82: 45,960,505 km (0.11 R)
• M83: 47,933,252 km (0.086 R)
• M84: 50,269,821 km (0.118 R)
• M85: 50,438,119 km (0.104 R)
• M86: 51,791,232 km (0.089 R)
• M87: 54,101,621 km (0.098 R)
• M88: 54,187,939 km (0.102 R)
• M89: 54,446,743 km (0.045 R)
• M90: 54,706,146 km (0.041 R)
• M91: 55,225,999 km (0.031 R)
• M92: 56,096,210 km (0.069 R)
• M93: 56,270,790 km (0.066 R)
• M94: 56,445,521 km (0.09 R)
• M95: 56,708,065 km (0.117 R)
• M96: 58,291,259 km (0.049 R)

Kuiper Belt

Range: 31.5 - 48.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 389 - 11,002 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit