🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.49 AU - 0.55 AU

Year: 144 Days

Day: 36.2 Hours

Environment

Temp: 158 °C

Axial Tilt: 19.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.54 AU - 0.62 AU

Year: 169 Days

Day: 46 Hours

Environment

Temp: 115 °C

Axial Tilt: 33.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 32,210,084 km

• M1: 319,990 km (0.051 R)
• M2: 392,096 km (0.036 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.61 AU - 0.99 AU

Year: 274 Days

Day: 14.4 Hours

Environment

Temp: 131 °C

Axial Tilt: 29.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 32,210,084 km

• M1: 146,905 km (0.094 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.94

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.65 AU - 1.07 AU

Year: 305 Days

Day: 27.2 Hours

Environment

Temp: 39 °C

Axial Tilt: 41.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.7 AU - 1.08 AU

Year: 321 Days

Day: 12.8 Hours

Environment

Temp: 17 °C

Axial Tilt: 5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.62 AU - 1.64 AU

Year: 797 Days

Day: 31.4 Hours

Environment

Temp: -56 °C

Axial Tilt: 3.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2 AU - 2.08 AU

Year: 1116 Days

Day: 32.7 Hours

Environment

Temp: -85 °C

Axial Tilt: 23.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 32,210,084 km

• M1: 100,231 km (0.12 R)
• M2: 118,781 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.8

Radius: 14.6

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 4.08 AU - 5.48 AU

Year: 4001 Days

Day: 7.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 32,210,084 km

• M1: 186,249 km (0.07 R)
• M2: 395,537 km (0.077 R)
• M3: 1,067,680 km (0.112 R)
• M4: 1,249,741 km (0.074 R)
• M5: 1,397,244 km (0.101 R)
• M6: 1,859,502 km (0.106 R)
• M7: 2,012,839 km (0.111 R)
• M8: 2,277,927 km (0.057 R)
• M9: 2,368,882 km (0.113 R)
• M10: 2,687,825 km (0.116 R)
• M11: 2,961,140 km (0.086 R)
• M12: 3,081,118 km (0.093 R)
• M13: 3,182,246 km (0.059 R)
• M14: 3,662,754 km (0.105 R)
• M15: 4,077,140 km (0.069 R)
• M16: 4,188,740 km (0.074 R)
• M17: 4,415,232 km (0.094 R)
• M18: 4,903,818 km (0.098 R)
• M19: 5,070,620 km (0.117 R)
• M20: 5,312,220 km (0.075 R)
• M21: 5,508,343 km (0.115 R)
• M22: 5,731,693 km (0.114 R)
• M23: 6,550,741 km (0.049 R)
• M24: 6,655,759 km (0.111 R)
• M25: 6,974,103 km (0.118 R)
• M26: 7,108,143 km (0.069 R)
• M27: 7,406,441 km (0.091 R)
• M28: 8,043,279 km (0.072 R)
• M29: 8,439,564 km (0.084 R)
• M30: 8,640,175 km (0.105 R)
• M31: 9,133,997 km (0.116 R)
• M32: 9,577,405 km (0.058 R)
• M33: 9,756,773 km (0.034 R)
• M34: 10,118,800 km (0.052 R)
• M35: 10,732,002 km (0.069 R)
• M36: 10,825,052 km (0.059 R)
• M37: 10,980,783 km (0.053 R)
• M38: 11,199,944 km (0.092 R)
• M39: 12,807,822 km (0.047 R)
• M40: 13,071,862 km (0.101 R)
• M41: 13,304,187 km (0.029 R)
• M42: 13,806,986 km (0.115 R)
• M43: 14,384,434 km (0.089 R)
• M44: 14,521,316 km (0.098 R)
• M45: 14,693,204 km (0.075 R)
• M46: 15,178,050 km (0.089 R)
• M47: 15,562,816 km (0.1 R)
• M48: 15,773,899 km (0.043 R)
• M49: 15,986,028 km (0.072 R)
• M50: 16,413,280 km (0.056 R)
• M51: 16,520,542 km (0.077 R)
• M52: 16,628,252 km (0.059 R)
• M53: 16,772,016 km (0.066 R)
• M54: 16,952,431 km (0.09 R)
• M55: 17,133,444 km (0.1 R)
• M56: 17,424,562 km (0.05 R)
• M57: 18,011,434 km (0.082 R)
• M58: 18,493,139 km (0.071 R)
• M59: 19,355,870 km (0.102 R)
• M60: 19,696,953 km (0.104 R)
• M61: 19,925,539 km (0.106 R)
• M62: 20,308,360 km (0.098 R)
• M63: 21,081,482 km (0.105 R)
• M64: 21,198,317 km (0.116 R)
• M65: 21,785,489 km (0.103 R)
• M66: 22,417,839 km (0.088 R)
• M67: 22,935,897 km (0.087 R)
• M68: 23,943,588 km (0.064 R)
• M69: 24,228,273 km (0.066 R)
• M70: 25,006,930 km (0.066 R)
• M71: 25,213,076 km (0.046 R)
• M72: 25,835,253 km (0.11 R)
• M73: 26,672,702 km (0.088 R)
• M74: 26,883,336 km (0.081 R)
• M75: 27,179,390 km (0.066 R)
• M76: 28,159,555 km (0.115 R)
• M77: 28,632,434 km (0.074 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.1

Radius: 14.9

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 9.01 AU - 10.31 AU

Year: 11496 Days

Day: 13.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 32,210,084 km

• M1: 283,338 km (0.1 R)
• M2: 462,856 km (0.108 R)
• M3: 556,654 km (0.033 R)
• M4: 659,128 km (0.096 R)
• M5: 847,472 km (0.093 R)
• M6: 949,198 km (0.07 R)
• M7: 1,731,446 km (0.109 R)
• M8: 2,802,866 km (0.109 R)
• M9: 2,961,439 km (0.092 R)
• M10: 3,660,510 km (0.051 R)
• M11: 3,869,798 km (0.109 R)
• M12: 4,410,145 km (0.119 R)
• M13: 5,207,053 km (0.11 R)
• M14: 6,846,646 km (0.108 R)
• M15: 7,992,117 km (0.118 R)
• M16: 8,540,842 km (0.103 R)
• M17: 8,913,640 km (0.099 R)
• M18: 9,482,710 km (0.118 R)
• M19: 9,966,061 km (0.091 R)
• M20: 10,210,803 km (0.088 R)
• M21: 10,556,823 km (0.086 R)
• M22: 10,656,305 km (0.103 R)
• M23: 11,057,826 km (0.104 R)
• M24: 12,554,403 km (0.059 R)
• M25: 13,949,852 km (0.12 R)
• M26: 14,223,915 km (0.055 R)
• M27: 14,389,071 km (0.116 R)
• M28: 14,944,678 km (0.064 R)
• M29: 16,019,538 km (0.119 R)
• M30: 16,479,552 km (0.099 R)
• M31: 16,827,516 km (0.101 R)
• M32: 17,412,743 km (0.1 R)
• M33: 19,208,516 km (0.111 R)
• M34: 20,687,142 km (0.059 R)
• M35: 21,377,237 km (0.095 R)
• M36: 21,820,196 km (0.064 R)
• M37: 22,266,297 km (0.048 R)
• M38: 23,102,698 km (0.079 R)
• M39: 23,883,898 km (0.059 R)
• M40: 26,009,385 km (0.108 R)
• M41: 26,347,027 km (0.051 R)
• M42: 26,822,001 km (0.104 R)
• M43: 27,642,994 km (0.095 R)
• M44: 28,333,388 km (0.089 R)
• M45: 28,820,179 km (0.116 R)
• M46: 29,169,490 km (0.119 R)
• M47: 30,155,191 km (0.077 R)
• M48: 30,723,214 km (0.056 R)
• M49: 30,865,930 km (0.028 R)
• M50: 31,223,320 km (0.079 R)
• M51: 31,582,205 km (0.058 R)
• M52: 31,798,075 km (0.09 R)
• M53: 32,086,798 km (0.072 R)
• M54: 33,396,677 km (0.09 R)
• M55: 35,170,310 km (0.066 R)
• M56: 35,394,258 km (0.079 R)
• M57: 35,918,449 km (0.106 R)
• M58: 36,068,645 km (0.107 R)
• M59: 36,445,183 km (0.101 R)
• M60: 37,354,140 km (0.102 R)
• M61: 37,964,349 km (0.063 R)
• M62: 38,347,320 km (0.112 R)
• M63: 39,117,300 km (0.085 R)
• M64: 39,271,835 km (0.039 R)
• M65: 40,828,999 km (0.046 R)
• M66: 41,064,316 km (0.077 R)
• M67: 43,362,140 km (0.077 R)
• M68: 43,682,429 km (0.108 R)
• M69: 44,003,466 km (0.076 R)
• M70: 44,809,349 km (0.087 R)
• M71: 45,295,243 km (0.118 R)
• M72: 46,027,525 km (0.054 R)
• M73: 49,412,177 km (0.115 R)
• M74: 51,261,206 km (0.058 R)
• M75: 51,599,896 km (0.082 R)
• M76: 54,077,087 km (0.113 R)
• M77: 54,249,274 km (0.076 R)
• M78: 56,680,240 km (0.103 R)
• M79: 56,942,784 km (0.049 R)

Planet 10 - Gas Giant

Semi-Major Axis: 11.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.8

Radius: 10.9

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 9.51 AU - 12.61 AU

Year: 14083 Days

Day: 5.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 88.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 32,210,084 km

• M1: 162,912 km (0.08 R)
• M2: 354,697 km (0.093 R)
• M3: 483,500 km (0.101 R)
• M4: 630,705 km (0.103 R)
• M5: 794,365 km (0.088 R)
• M6: 1,242,410 km (0.067 R)
• M7: 1,386,473 km (0.096 R)
• M8: 1,708,856 km (0.101 R)
• M9: 1,815,669 km (0.057 R)
• M10: 1,888,224 km (0.054 R)
• M11: 2,092,874 km (0.053 R)
• M12: 3,069,150 km (0.101 R)
• M13: 3,513,156 km (0.08 R)
• M14: 4,049,016 km (0.096 R)
• M15: 4,217,314 km (0.079 R)
• M16: 4,535,807 km (0.098 R)
• M17: 4,938,824 km (0.077 R)
• M18: 5,067,029 km (0.099 R)
• M19: 5,353,360 km (0.098 R)
• M20: 6,023,558 km (0.092 R)
• M21: 6,326,793 km (0.104 R)
• M22: 6,550,592 km (0.081 R)
• M23: 6,776,933 km (0.069 R)
• M24: 7,005,967 km (0.098 R)
• M25: 7,208,523 km (0.119 R)
• M26: 7,560,078 km (0.03 R)
• M27: 7,827,559 km (0.068 R)
• M28: 8,128,400 km (0.111 R)
• M29: 8,219,356 km (0.055 R)
• M30: 8,555,951 km (0.093 R)
• M31: 8,928,450 km (0.091 R)
• M32: 9,116,644 km (0.088 R)
• M33: 9,496,922 km (0.071 R)
• M34: 9,689,005 km (0.119 R)
• M35: 10,012,137 km (0.078 R)
• M36: 10,470,505 km (0.073 R)
• M37: 11,103,453 km (0.118 R)
• M38: 12,128,049 km (0.115 R)
• M39: 12,301,882 km (0.039 R)
• M40: 12,546,474 km (0.063 R)
• M41: 13,040,446 km (0.119 R)
• M42: 13,504,948 km (0.114 R)
• M43: 13,685,064 km (0.081 R)
• M44: 15,154,414 km (0.081 R)
• M45: 15,454,208 km (0.12 R)
• M46: 16,174,372 km (0.1 R)
• M47: 16,905,307 km (0.041 R)
• M48: 17,294,411 km (0.078 R)
• M49: 17,411,696 km (0.119 R)
• M50: 17,725,852 km (0.106 R)
• M51: 18,519,319 km (0.109 R)
• M52: 19,405,537 km (0.085 R)
• M53: 19,527,459 km (0.092 R)
• M54: 20,553,251 km (0.086 R)
• M55: 21,344,624 km (0.089 R)
• M56: 21,596,697 km (0.113 R)
• M57: 21,765,293 km (0.096 R)
• M58: 21,849,667 km (0.117 R)
• M59: 22,614,561 km (0.111 R)
• M60: 22,871,420 km (0.093 R)
• M61: 22,957,289 km (0.071 R)
• M62: 23,043,158 km (0.106 R)
• M63: 23,604,599 km (0.093 R)
• M64: 23,865,199 km (0.116 R)
• M65: 24,696,664 km (0.106 R)
• M66: 24,961,302 km (0.098 R)
• M67: 25,226,839 km (0.082 R)
• M68: 26,298,258 km (0.088 R)
• M69: 27,887,287 km (0.111 R)
• M70: 28,762,883 km (0.107 R)
• M71: 30,352,211 km (0.113 R)
• M72: 31,825,900 km (0.096 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 308 - 12,898 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit