🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.62 AU - 0.68 AU

Year: 200 Days

Day: 22.4 Hours

Environment

Temp: 166 °C

Axial Tilt: 6.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 3.07 AU - 3.27 AU

Year: 2149 Days

Day: 20.6 Hours

Environment

Temp: -119 °C

Axial Tilt: 11.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 3 AU - 4.38 AU

Year: 2699 Days

Day: 44.8 Hours

Environment

Temp: -124 °C

Axial Tilt: 47.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.77 AU - 4.09 AU

Year: 2967 Days

Day: 38.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.52 AU - 4.4 AU

Year: 3001 Days

Day: 18.3 Hours

Environment

Temp: -132 °C

Axial Tilt: 29.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,362,980 km

• M1: 2,375,764 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.4

Radius: 14

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.61 AU - 7.13 AU

Year: 5416 Days

Day: 6.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 53,362,980 km

• M1: 254,167 km (0.066 R)
• M2: 511,774 km (0.082 R)
• M3: 673,490 km (0.115 R)
• M4: 1,083,986 km (0.115 R)
• M5: 1,253,780 km (0.105 R)
• M6: 1,366,876 km (0.115 R)
• M7: 1,763,609 km (0.116 R)
• M8: 2,295,280 km (0.119 R)
• M9: 2,517,882 km (0.075 R)
• M10: 2,642,198 km (0.056 R)
• M11: 3,006,169 km (0.06 R)
• M12: 3,138,563 km (0.11 R)
• M13: 3,295,641 km (0.098 R)
• M14: 3,640,913 km (0.103 R)
• M15: 3,782,433 km (0.039 R)
• M16: 4,442,010 km (0.077 R)
• M17: 4,798,352 km (0.108 R)
• M18: 5,137,490 km (0.053 R)
• M19: 5,538,861 km (0.074 R)
• M20: 5,894,904 km (0.092 R)
• M21: 6,145,780 km (0.093 R)
• M22: 6,258,427 km (0.118 R)
• M23: 6,716,047 km (0.109 R)
• M24: 7,096,025 km (0.117 R)
• M25: 7,273,748 km (0.079 R)
• M26: 7,422,897 km (0.089 R)
• M27: 7,543,173 km (0.09 R)
• M28: 8,875,492 km (0.062 R)
• M29: 9,227,945 km (0.078 R)
• M30: 9,781,906 km (0.108 R)
• M31: 9,946,762 km (0.083 R)
• M32: 10,112,666 km (0.115 R)
• M33: 10,480,976 km (0.08 R)
• M34: 10,853,774 km (0.065 R)
• M35: 11,507,816 km (0.072 R)
• M36: 12,068,659 km (0.034 R)
• M37: 12,388,050 km (0.071 R)
• M38: 12,674,231 km (0.087 R)
• M39: 13,952,245 km (0.106 R)
• M40: 14,928,222 km (0.096 R)
• M41: 15,080,363 km (0.062 R)
• M42: 15,462,885 km (0.096 R)
• M43: 16,003,681 km (0.084 R)
• M44: 16,198,457 km (0.046 R)
• M45: 16,905,906 km (0.086 R)
• M46: 17,263,445 km (0.107 R)
• M47: 17,663,619 km (0.047 R)
• M48: 17,824,586 km (0.101 R)
• M49: 18,107,476 km (0.118 R)
• M50: 18,269,790 km (0.085 R)
• M51: 18,554,923 km (0.04 R)
• M52: 18,841,553 km (0.046 R)
• M53: 19,253,695 km (0.077 R)
• M54: 19,543,915 km (0.062 R)
• M55: 19,668,679 km (0.082 R)
• M56: 20,339,027 km (0.096 R)
• M57: 21,487,041 km (0.077 R)
• M58: 23,579,616 km (0.046 R)
• M59: 23,712,609 km (0.12 R)
• M60: 23,979,192 km (0.073 R)
• M61: 24,560,380 km (0.102 R)
• M62: 25,282,040 km (0.067 R)
• M63: 25,645,413 km (0.093 R)
• M64: 25,964,954 km (0.035 R)
• M65: 26,746,155 km (0.118 R)
• M66: 27,162,934 km (0.108 R)
• M67: 27,255,834 km (0.114 R)
• M68: 27,488,609 km (0.118 R)
• M69: 27,815,480 km (0.115 R)
• M70: 28,426,139 km (0.12 R)
• M71: 28,567,658 km (0.03 R)
• M72: 28,709,327 km (0.115 R)
• M73: 28,946,141 km (0.07 R)
• M74: 29,088,558 km (0.068 R)
• M75: 29,278,846 km (0.087 R)
• M76: 29,804,085 km (0.066 R)
• M77: 30,043,890 km (0.09 R)
• M78: 30,236,123 km (0.103 R)
• M79: 30,621,936 km (0.103 R)
• M80: 31,203,722 km (0.036 R)
• M81: 31,887,235 km (0.1 R)
• M82: 32,476,800 km (0.094 R)
• M83: 32,921,555 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.2

Radius: 10.5

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 4.46 AU - 7.28 AU

Year: 5416 Days

Day: 10.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 53,362,980 km

• M1: 131,646 km (0.098 R)
• M2: 282,441 km (0.036 R)
• M3: 361,279 km (0.12 R)
• M4: 429,795 km (0.085 R)
• M5: 905,666 km (0.085 R)
• M6: 1,171,052 km (0.11 R)
• M7: 1,478,177 km (0.104 R)
• M8: 1,546,094 km (0.092 R)
• M9: 1,774,380 km (0.098 R)
• M10: 2,070,584 km (0.071 R)
• M11: 2,965,030 km (0.056 R)
• M12: 3,636,575 km (0.12 R)
• M13: 3,870,845 km (0.116 R)
• M14: 3,942,053 km (0.029 R)
• M15: 4,061,732 km (0.119 R)
• M16: 4,628,109 km (0.083 R)
• M17: 5,010,930 km (0.111 R)
• M18: 5,245,649 km (0.111 R)
• M19: 5,324,637 km (0.057 R)
• M20: 5,404,073 km (0.083 R)
• M21: 5,780,013 km (0.074 R)
• M22: 6,387,979 km (0.049 R)
• M23: 6,785,460 km (0.12 R)
• M24: 6,987,268 km (0.11 R)
• M25: 7,074,334 km (0.059 R)
• M26: 7,396,867 km (0.097 R)
• M27: 7,485,578 km (0.079 R)
• M28: 7,724,187 km (0.057 R)
• M29: 7,844,314 km (0.085 R)
• M30: 8,270,069 km (0.06 R)
• M31: 8,954,181 km (0.118 R)
• M32: 9,688,856 km (0.088 R)
• M33: 11,046,008 km (0.097 R)
• M34: 11,488,668 km (0.102 R)
• M35: 11,729,520 km (0.107 R)
• M36: 11,798,634 km (0.084 R)
• M37: 12,146,150 km (0.12 R)
• M38: 12,497,257 km (0.106 R)
• M39: 13,065,728 km (0.075 R)
• M40: 13,497,617 km (0.084 R)
• M41: 13,751,784 km (0.068 R)
• M42: 14,784,159 km (0.058 R)
• M43: 14,971,157 km (0.106 R)
• M44: 15,347,545 km (0.071 R)
• M45: 15,650,780 km (0.108 R)
• M46: 15,956,109 km (0.064 R)
• M47: 16,301,979 km (0.101 R)
• M48: 16,962,005 km (0.093 R)
• M49: 17,314,906 km (0.072 R)
• M50: 17,630,707 km (0.066 R)
• M51: 17,829,074 km (0.1 R)
• M52: 18,187,960 km (0.062 R)
• M53: 18,388,421 km (0.098 R)
• M54: 18,791,437 km (0.073 R)
• M55: 18,953,452 km (0.062 R)
• M56: 19,075,224 km (0.081 R)
• M57: 19,483,327 km (0.103 R)
• M58: 19,770,555 km (0.058 R)
• M59: 19,852,984 km (0.087 R)
• M60: 20,142,007 km (0.109 R)
• M61: 20,766,279 km (0.088 R)
• M62: 21,270,274 km (0.037 R)
• M63: 22,119,242 km (0.106 R)
• M64: 22,290,232 km (0.081 R)
• M65: 23,937,754 km (0.066 R)
• M66: 24,025,568 km (0.054 R)
• M67: 25,534,412 km (0.116 R)
• M68: 26,617,949 km (0.1 R)
• M69: 27,073,774 km (0.116 R)
• M70: 28,317,680 km (0.051 R)
• M71: 28,689,730 km (0.088 R)
• M72: 29,438,767 km (0.115 R)
• M73: 30,099,540 km (0.106 R)
• M74: 30,194,236 km (0.113 R)
• M75: 30,479,220 km (0.115 R)
• M76: 31,531,790 km (0.095 R)
• M77: 31,724,323 km (0.048 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 147.5

Radius: 3.1

Gravity: 15.35 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 15.26 AU - 17.56 AU

Year: 25314 Days

Day: 15.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 53,362,980 km

• M1: 47,273 km (0.118 R)
• M2: 189,391 km (0.069 R)
• M3: 514,018 km (0.117 R)
• M4: 616,942 km (0.092 R)
• M5: 984,055 km (0.116 R)
• M6: 1,290,730 km (0.063 R)
• M7: 1,852,919 km (0.116 R)
• M8: 1,904,979 km (0.108 R)
• M9: 1,957,488 km (0.115 R)
• M10: 2,199,986 km (0.064 R)
• M11: 2,654,165 km (0.112 R)
• M12: 3,261,084 km (0.032 R)
• M13: 3,387,494 km (0.088 R)
• M14: 3,515,550 km (0.059 R)
• M15: 3,809,211 km (0.097 R)
• M16: 4,808,076 km (0.095 R)
• M17: 4,843,829 km (0.047 R)
• M18: 5,243,705 km (0.115 R)
• M19: 5,391,657 km (0.104 R)
• M20: 5,503,556 km (0.053 R)
• M21: 6,113,317 km (0.106 R)
• M22: 7,519,836 km (0.071 R)
• M23: 7,686,638 km (0.039 R)
• M24: 7,812,599 km (0.069 R)
• M25: 8,066,467 km (0.034 R)
• M26: 8,976,471 km (0.066 R)
• M27: 9,242,456 km (0.083 R)
• M28: 9,600,892 km (0.105 R)
• M29: 11,412,971 km (0.101 R)
• M30: 14,037,666 km (0.03 R)
• M31: 14,656,851 km (0.094 R)
• M32: 14,760,822 km (0.101 R)
• M33: 15,074,379 km (0.071 R)
• M34: 16,947,045 km (0.095 R)
• M35: 18,216,982 km (0.119 R)
• M36: 18,609,526 km (0.107 R)
• M37: 19,688,875 km (0.077 R)
• M38: 21,081,182 km (0.051 R)
• M39: 21,967,251 km (0.109 R)
• M40: 24,821,578 km (0.044 R)
• M41: 25,882,227 km (0.085 R)
• M42: 28,176,759 km (0.055 R)
• M43: 28,565,414 km (0.086 R)
• M44: 28,760,490 km (0.084 R)
• M45: 29,021,239 km (0.054 R)
• M46: 29,544,981 km (0.116 R)
• M47: 31,335,518 km (0.111 R)
• M48: 36,279,129 km (0.07 R)
• M49: 37,126,302 km (0.043 R)
• M50: 37,197,211 km (0.119 R)
• M51: 39,634,161 km (0.11 R)
• M52: 41,238,299 km (0.111 R)
• M53: 44,058,518 km (0.039 R)
• M54: 45,567,811 km (0.062 R)
• M55: 46,481,405 km (0.117 R)
• M56: 47,554,919 km (0.084 R)
• M57: 51,375,798 km (0.115 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 335 - 12,790 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit