🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.63 AU - 0.93 AU

Year: 246 Days

Day: 27.7 Hours

Environment

Temp: 133 °C

Axial Tilt: 37.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 72,766,549 km

• M1: 124,765 km (0.09 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.21 AU - 1.37 AU

Year: 522 Days

Day: 32.3 Hours

Environment

Temp: 8 °C

Axial Tilt: 10.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.1 AU - 1.5 AU

Year: 528 Days

Day: 44.2 Hours

Environment

Temp: 12 °C

Axial Tilt: 24.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.31 AU - 1.63 AU

Year: 635 Days

Day: 24.2 Hours

Environment

Temp: 6 °C

Axial Tilt: 3.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.45 AU - 2.21 AU

Year: 882 Days

Day: 12.3 Hours

Environment

Temp: -46 °C

Axial Tilt: 41.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.08 AU - 2.74 AU

Year: 1334 Days

Day: 26.8 Hours

Environment

Temp: -67 °C

Axial Tilt: 31.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.54 AU - 3.98 AU

Year: 2098 Days

Day: 13.9 Hours

Environment

Temp: -92 °C

Axial Tilt: 36.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,766,549 km

• M1: 825,631 km (0.082 R)

Asteroid Belt

Center: 4.92 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.1

Radius: 9.5

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 6.31 AU - 6.85 AU

Year: 6016 Days

Day: 8.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 72,766,549 km

• M1: 142,716 km (0.083 R)
• M2: 220,358 km (0.044 R)
• M3: 309,069 km (0.111 R)
• M4: 649,404 km (0.102 R)
• M5: 782,995 km (0.109 R)
• M6: 986,000 km (0.118 R)
• M7: 1,057,657 km (0.07 R)
• M8: 1,206,357 km (0.088 R)
• M9: 1,419,534 km (0.083 R)
• M10: 1,959,583 km (0.05 R)
• M11: 2,051,136 km (0.115 R)
• M12: 2,238,583 km (0.094 R)
• M13: 2,530,298 km (0.114 R)
• M14: 2,863,902 km (0.046 R)
• M15: 2,998,241 km (0.051 R)
• M16: 3,089,046 km (0.058 R)
• M17: 3,257,942 km (0.072 R)
• M18: 3,508,968 km (0.111 R)
• M19: 3,799,188 km (0.108 R)
• M20: 4,013,561 km (0.094 R)
• M21: 4,214,920 km (0.061 R)
• M22: 4,506,037 km (0.112 R)
• M23: 4,680,469 km (0.099 R)
• M24: 5,198,676 km (0.105 R)
• M25: 6,096,263 km (0.096 R)
• M26: 6,367,035 km (0.114 R)
• M27: 7,634,129 km (0.111 R)
• M28: 7,863,313 km (0.114 R)
• M29: 7,968,181 km (0.106 R)
• M30: 8,564,179 km (0.118 R)
• M31: 8,824,030 km (0.107 R)
• M32: 9,020,602 km (0.067 R)
• M33: 9,108,566 km (0.09 R)
• M34: 9,529,684 km (0.113 R)
• M35: 9,821,549 km (0.112 R)
• M36: 9,979,973 km (0.119 R)
• M37: 10,070,929 km (0.051 R)
• M38: 10,437,294 km (0.083 R)
• M39: 10,714,798 km (0.084 R)
• M40: 11,041,819 km (0.091 R)
• M41: 11,183,039 km (0.054 R)
• M42: 11,395,917 km (0.104 R)
• M43: 12,187,888 km (0.082 R)
• M44: 12,553,655 km (0.113 R)
• M45: 12,799,594 km (0.093 R)
• M46: 13,022,345 km (0.12 R)
• M47: 13,296,259 km (0.036 R)
• M48: 13,471,587 km (0.119 R)
• M49: 13,546,985 km (0.045 R)
• M50: 13,647,664 km (0.113 R)
• M51: 13,875,203 km (0.056 R)
• M52: 14,129,369 km (0.06 R)
• M53: 14,513,836 km (0.091 R)
• M54: 14,694,251 km (0.084 R)
• M55: 15,266,612 km (0.098 R)
• M56: 15,529,157 km (0.112 R)
• M57: 15,793,197 km (0.086 R)
• M58: 16,138,618 km (0.082 R)
• M59: 16,245,431 km (0.08 R)
• M60: 16,459,655 km (0.11 R)
• M61: 16,621,071 km (0.113 R)
• M62: 16,728,931 km (0.077 R)
• M63: 17,381,029 km (0.101 R)
• M64: 17,627,715 km (0.082 R)
• M65: 17,986,002 km (0.119 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.8

Radius: 10.2

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 9.3 AU - 12.58 AU

Year: 12898 Days

Day: 14.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 72,766,549 km

• M1: 131,048 km (0.086 R)
• M2: 325,675 km (0.051 R)
• M3: 464,352 km (0.104 R)
• M4: 689,048 km (0.085 R)
• M5: 823,686 km (0.104 R)
• M6: 1,260,661 km (0.059 R)
• M7: 1,471,594 km (0.111 R)
• M8: 1,603,839 km (0.104 R)
• M9: 1,809,835 km (0.116 R)
• M10: 1,951,953 km (0.05 R)
• M11: 2,298,272 km (0.073 R)
• M12: 2,744,971 km (0.054 R)
• M13: 3,020,381 km (0.064 R)
• M14: 3,276,044 km (0.115 R)
• M15: 3,391,982 km (0.059 R)
• M16: 3,568,358 km (0.091 R)
• M17: 3,899,867 km (0.111 R)
• M18: 4,209,834 km (0.107 R)
• M19: 4,304,380 km (0.096 R)
• M20: 4,689,893 km (0.085 R)
• M21: 5,221,265 km (0.084 R)
• M22: 5,459,724 km (0.084 R)
• M23: 6,816,128 km (0.025 R)
• M24: 6,964,828 km (0.045 R)
• M25: 7,039,477 km (0.105 R)
• M26: 7,417,212 km (0.086 R)
• M27: 7,570,101 km (0.117 R)
• M28: 8,074,545 km (0.112 R)
• M29: 8,871,603 km (0.1 R)
• M30: 9,197,427 km (0.072 R)
• M31: 9,279,556 km (0.114 R)
• M32: 9,527,290 km (0.104 R)
• M33: 10,071,527 km (0.105 R)
• M34: 10,198,536 km (0.12 R)
• M35: 10,454,198 km (0.079 R)
• M36: 12,077,335 km (0.034 R)
• M37: 12,483,942 km (0.032 R)
• M38: 13,264,245 km (0.104 R)
• M39: 15,405,140 km (0.087 R)
• M40: 16,490,323 km (0.111 R)
• M41: 17,244,296 km (0.096 R)
• M42: 17,447,300 km (0.109 R)
• M43: 17,600,040 km (0.102 R)
• M44: 18,473,991 km (0.113 R)
• M45: 18,785,902 km (0.1 R)
• M46: 18,942,382 km (0.1 R)
• M47: 19,204,327 km (0.084 R)
• M48: 19,837,874 km (0.075 R)
• M49: 21,125,463 km (0.096 R)
• M50: 21,288,375 km (0.093 R)
• M51: 21,560,644 km (0.117 R)
• M52: 21,670,000 km (0.111 R)
• M53: 22,163,972 km (0.115 R)
• M54: 22,384,629 km (0.089 R)
• M55: 23,218,936 km (0.095 R)
• M56: 23,668,029 km (0.084 R)
• M57: 24,860,623 km (0.093 R)
• M58: 25,435,378 km (0.116 R)
• M59: 25,840,339 km (0.097 R)
• M60: 26,072,665 km (0.086 R)
• M61: 26,891,264 km (0.113 R)
• M62: 27,185,673 km (0.112 R)
• M63: 28,434,067 km (0.054 R)
• M64: 29,579,538 km (0.036 R)
• M65: 29,944,407 km (0.096 R)
• M66: 30,310,773 km (0.107 R)
• M67: 31,356,761 km (0.078 R)
• M68: 31,728,811 km (0.07 R)
• M69: 32,539,930 km (0.054 R)
• M70: 33,168,391 km (0.117 R)
• M71: 34,309,972 km (0.089 R)
• M72: 36,046,205 km (0.086 R)
• M73: 36,566,208 km (0.081 R)
• M74: 37,876,834 km (0.044 R)
• M75: 39,202,870 km (0.099 R)
• M76: 39,469,902 km (0.033 R)
• M77: 41,763,986 km (0.119 R)
• M78: 42,927,259 km (0.054 R)
• M79: 42,995,924 km (0.111 R)
• M80: 44,378,807 km (0.093 R)
• M81: 44,587,496 km (0.046 R)
• M82: 45,145,496 km (0.118 R)
• M83: 45,215,508 km (0.086 R)
• M84: 45,776,200 km (0.074 R)
• M85: 46,692,188 km (0.115 R)
• M86: 46,762,948 km (0.117 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 413.1

Radius: 6.7

Gravity: 9.2 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 14.37 AU - 18.81 AU

Year: 24086 Days

Day: 24.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 72,766,549 km

• M1: 178,919 km (0.054 R)
• M2: 320,439 km (0.045 R)
• M3: 480,060 km (0.082 R)
• M4: 643,121 km (0.116 R)
• M5: 731,384 km (0.104 R)
• M6: 777,161 km (0.113 R)
• M7: 1,287,888 km (0.118 R)
• M8: 1,697,188 km (0.115 R)
• M9: 1,790,088 km (0.096 R)
• M10: 2,045,751 km (0.115 R)
• M11: 2,111,574 km (0.117 R)
• M12: 2,486,017 km (0.118 R)
• M13: 2,556,328 km (0.047 R)
• M14: 3,450,924 km (0.064 R)
• M15: 3,569,106 km (0.059 R)
• M16: 3,931,582 km (0.119 R)
• M17: 4,013,711 km (0.034 R)
• M18: 5,268,089 km (0.082 R)
• M19: 5,541,704 km (0.076 R)
• M20: 5,819,956 km (0.053 R)
• M21: 6,978,292 km (0.04 R)
• M22: 7,481,390 km (0.098 R)
• M23: 7,583,415 km (0.087 R)
• M24: 8,575,698 km (0.046 R)
• M25: 9,442,618 km (0.076 R)
• M26: 9,886,474 km (0.095 R)
• M27: 10,450,907 km (0.075 R)
• M28: 10,737,088 km (0.079 R)
• M29: 10,910,023 km (0.103 R)
• M30: 11,258,586 km (0.052 R)
• M31: 12,689,191 km (0.103 R)
• M32: 13,674,442 km (0.101 R)
• M33: 14,113,213 km (0.079 R)
• M34: 15,391,975 km (0.06 R)
• M35: 16,441,554 km (0.104 R)
• M36: 18,127,223 km (0.029 R)
• M37: 18,608,928 km (0.043 R)
• M38: 19,094,971 km (0.102 R)
• M39: 19,164,684 km (0.105 R)
• M40: 20,079,325 km (0.113 R)
• M41: 20,221,443 km (0.096 R)
• M42: 20,577,786 km (0.112 R)
• M43: 20,649,293 km (0.094 R)
• M44: 20,936,372 km (0.082 R)
• M45: 22,611,868 km (0.095 R)
• M46: 23,056,024 km (0.114 R)
• M47: 23,428,373 km (0.086 R)
• M48: 23,503,022 km (0.037 R)
• M49: 23,877,765 km (0.082 R)
• M50: 24,937,367 km (0.118 R)
• M51: 25,319,589 km (0.108 R)
• M52: 27,180,736 km (0.102 R)
• M53: 27,731,855 km (0.086 R)
• M54: 28,366,299 km (0.086 R)
• M55: 28,925,347 km (0.117 R)
• M56: 30,379,288 km (0.086 R)
• M57: 30,787,391 km (0.097 R)
• M58: 31,609,132 km (0.085 R)
• M59: 31,774,289 km (0.107 R)
• M60: 32,105,648 km (0.094 R)
• M61: 33,442,006 km (0.091 R)
• M62: 33,779,050 km (0.117 R)
• M63: 33,947,946 km (0.109 R)
• M64: 36,428,278 km (0.1 R)
• M65: 37,909,297 km (0.04 R)
• M66: 39,587,785 km (0.092 R)
• M67: 39,676,796 km (0.092 R)
• M68: 40,212,207 km (0.119 R)
• M69: 41,651,638 km (0.05 R)
• M70: 42,377,786 km (0.09 R)
• M71: 43,382,934 km (0.059 R)
• M72: 44,673,515 km (0.108 R)
• M73: 46,633,097 km (0.111 R)
• M74: 47,292,524 km (0.084 R)
• M75: 48,525,211 km (0.109 R)
• M76: 48,906,685 km (0.104 R)
• M77: 50,345,817 km (0.053 R)
• M78: 54,152,335 km (0.103 R)
• M79: 55,242,604 km (0.084 R)
• M80: 57,646,492 km (0.119 R)
• M81: 61,418,752 km (0.078 R)
• M82: 61,934,566 km (0.119 R)
• M83: 64,326,037 km (0.101 R)
• M84: 64,640,193 km (0.083 R)
• M85: 65,375,167 km (0.085 R)
• M86: 67,490,331 km (0.036 R)
• M87: 68,022,601 km (0.033 R)
• M88: 69,842,907 km (0.112 R)
• M89: 70,165,740 km (0.061 R)
• M90: 71,353,846 km (0.093 R)

Kuiper Belt

Range: 30.8 - 53.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 452 - 18,404 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit