🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.57 AU - 0.61 AU

Year: 163 Days

Day: 39 Hours

Environment

Temp: 245 °C

Axial Tilt: 37.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.8 AU - 0.84 AU

Year: 267 Days

Day: 43.4 Hours

Environment

Temp: 100 °C

Axial Tilt: 4.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 51,190,360 km

• M1: 325,226 km (0.11 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.02 AU - 1.4 AU

Year: 479 Days

Day: 38.6 Hours

Environment

Temp: 8 °C

Axial Tilt: 13.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.21 AU - 1.73 AU

Year: 641 Days

Day: 29 Hours

Environment

Temp: -25 °C

Axial Tilt: 129.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.71 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.5

Radius: 10.1

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.86 AU - 7.02 AU

Year: 5210 Days

Day: 9 Hours

Environment

Temp: -143 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 51,190,360 km

• M1: 126,261 km (0.091 R)
• M2: 207,343 km (0.073 R)
• M3: 273,016 km (0.085 R)
• M4: 363,373 km (0.113 R)
• M5: 519,553 km (0.053 R)
• M6: 752,776 km (0.086 R)
• M7: 1,091,316 km (0.03 R)
• M8: 1,737,430 km (0.09 R)
• M9: 2,027,799 km (0.117 R)
• M10: 2,185,625 km (0.082 R)
• M11: 2,333,876 km (0.045 R)
• M12: 2,443,831 km (0.119 R)
• M13: 2,611,979 km (0.095 R)
• M14: 2,711,910 km (0.045 R)
• M15: 3,019,483 km (0.081 R)
• M16: 3,124,501 km (0.099 R)
• M17: 3,384,652 km (0.072 R)
• M18: 3,683,997 km (0.076 R)
• M19: 3,748,175 km (0.099 R)
• M20: 3,844,964 km (0.096 R)
• M21: 4,157,325 km (0.111 R)
• M22: 4,495,117 km (0.114 R)
• M23: 4,684,657 km (0.082 R)
• M24: 4,894,543 km (0.112 R)
• M25: 5,287,387 km (0.067 R)
• M26: 5,414,545 km (0.109 R)
• M27: 5,597,952 km (0.119 R)
• M28: 5,895,802 km (0.099 R)
• M29: 6,256,183 km (0.084 R)
• M30: 6,623,745 km (0.07 R)
• M31: 6,701,985 km (0.096 R)
• M32: 6,899,005 km (0.113 R)
• M33: 6,978,441 km (0.114 R)
• M34: 7,138,062 km (0.038 R)
• M35: 7,339,421 km (0.05 R)
• M36: 7,644,900 km (0.095 R)
• M37: 8,437,470 km (0.063 R)
• M38: 8,586,319 km (0.119 R)
• M39: 9,212,386 km (0.086 R)
• M40: 9,278,060 km (0.08 R)
• M41: 9,453,688 km (0.041 R)
• M42: 9,519,960 km (0.063 R)
• M43: 9,786,244 km (0.12 R)
• M44: 9,942,723 km (0.118 R)
• M45: 10,099,951 km (0.109 R)
• M46: 10,691,610 km (0.113 R)
• M47: 10,991,554 km (0.102 R)
• M48: 11,107,642 km (0.036 R)
• M49: 11,294,340 km (0.059 R)
• M50: 11,860,568 km (0.068 R)
• M51: 12,219,154 km (0.055 R)
• M52: 12,436,071 km (0.069 R)
• M53: 12,532,861 km (0.096 R)
• M54: 13,020,699 km (0.058 R)
• M55: 13,341,138 km (0.115 R)
• M56: 13,489,838 km (0.119 R)
• M57: 13,789,034 km (0.099 R)
• M58: 13,989,794 km (0.08 R)
• M59: 14,394,008 km (0.071 R)
• M60: 14,521,166 km (0.104 R)
• M61: 14,597,611 km (0.116 R)
• M62: 14,981,928 km (0.087 R)
• M63: 15,110,731 km (0.116 R)
• M64: 15,812,944 km (0.104 R)
• M65: 15,944,141 km (0.045 R)
• M66: 16,128,446 km (0.102 R)
• M67: 16,446,042 km (0.062 R)
• M68: 16,632,142 km (0.097 R)
• M69: 16,712,177 km (0.091 R)
• M70: 16,926,251 km (0.057 R)
• M71: 17,492,329 km (0.069 R)
• M72: 17,764,149 km (0.106 R)
• M73: 18,422,080 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.9

Radius: 12.2

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 5.43 AU - 7.99 AU

Year: 6255 Days

Day: 9.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 51,190,360 km

• M1: 219,011 km (0.093 R)
• M2: 311,164 km (0.105 R)
• M3: 581,786 km (0.109 R)
• M4: 706,850 km (0.104 R)
• M5: 805,884 km (0.061 R)
• M6: 885,171 km (0.106 R)
• M7: 967,449 km (0.079 R)
• M8: 1,209,948 km (0.083 R)
• M9: 1,579,903 km (0.114 R)
• M10: 1,729,800 km (0.085 R)
• M11: 1,901,239 km (0.051 R)
• M12: 1,985,014 km (0.097 R)
• M13: 2,061,459 km (0.028 R)
• M14: 2,368,433 km (0.111 R)
• M15: 2,671,519 km (0.031 R)
• M16: 2,756,341 km (0.057 R)
• M17: 2,842,210 km (0.103 R)
• M18: 3,144,697 km (0.106 R)
• M19: 3,345,607 km (0.091 R)
• M20: 3,509,267 km (0.107 R)
• M21: 3,802,479 km (0.067 R)
• M22: 3,919,763 km (0.105 R)
• M23: 4,202,055 km (0.114 R)
• M24: 4,694,980 km (0.116 R)
• M25: 4,983,255 km (0.026 R)
• M26: 5,301,300 km (0.043 R)
• M27: 5,662,429 km (0.105 R)
• M28: 5,821,452 km (0.07 R)
• M29: 6,485,068 km (0.05 R)
• M30: 7,385,048 km (0.118 R)
• M31: 7,599,273 km (0.099 R)
• M32: 7,747,823 km (0.104 R)
• M33: 8,226,985 km (0.069 R)
• M34: 8,310,012 km (0.042 R)
• M35: 8,956,574 km (0.046 R)
• M36: 9,199,671 km (0.073 R)
• M37: 9,372,456 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.5

Radius: 12.2

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 8.54 AU - 10.26 AU

Year: 10372 Days

Day: 9.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 51,190,360 km

• M1: 167,400 km (0.116 R)
• M2: 316,250 km (0.096 R)
• M3: 393,293 km (0.049 R)
• M4: 971,489 km (0.117 R)
• M5: 1,229,246 km (0.063 R)
• M6: 1,307,186 km (0.118 R)
• M7: 1,406,968 km (0.117 R)
• M8: 1,488,798 km (0.1 R)
• M9: 1,700,928 km (0.093 R)
• M10: 1,945,820 km (0.092 R)
• M11: 2,107,834 km (0.114 R)
• M12: 2,226,316 km (0.091 R)
• M13: 2,347,191 km (0.025 R)
• M14: 2,957,849 km (0.067 R)
• M15: 3,281,429 km (0.088 R)
• M16: 3,531,856 km (0.049 R)
• M17: 4,021,789 km (0.104 R)
• M18: 4,259,949 km (0.053 R)
• M19: 4,625,865 km (0.054 R)
• M20: 5,193,888 km (0.056 R)
• M21: 5,784,202 km (0.084 R)
• M22: 6,223,870 km (0.101 R)
• M23: 6,569,441 km (0.052 R)
• M24: 6,674,459 km (0.116 R)
• M25: 6,815,230 km (0.118 R)
• M26: 6,956,899 km (0.102 R)
• M27: 7,207,476 km (0.083 R)
• M28: 8,126,306 km (0.091 R)
• M29: 8,733,673 km (0.052 R)
• M30: 8,926,505 km (0.072 R)
• M31: 9,553,170 km (0.073 R)
• M32: 9,951,998 km (0.111 R)
• M33: 14,367,828 km (0.043 R)
• M34: 16,130,091 km (0.043 R)
• M35: 16,988,484 km (0.081 R)
• M36: 17,569,073 km (0.113 R)
• M37: 18,849,182 km (0.045 R)
• M38: 18,998,780 km (0.115 R)
• M39: 19,249,057 km (0.064 R)
• M40: 19,349,437 km (0.112 R)
• M41: 19,955,758 km (0.074 R)
• M42: 20,261,236 km (0.062 R)
• M43: 20,928,293 km (0.117 R)
• M44: 21,290,619 km (0.109 R)
• M45: 22,231,590 km (0.102 R)
• M46: 22,389,715 km (0.112 R)
• M47: 23,026,104 km (0.062 R)
• M48: 24,533,901 km (0.118 R)
• M49: 24,806,618 km (0.111 R)
• M50: 25,796,358 km (0.119 R)
• M51: 26,018,062 km (0.064 R)
• M52: 26,799,112 km (0.041 R)
• M53: 26,911,311 km (0.094 R)
• M54: 27,079,758 km (0.057 R)
• M55: 27,531,095 km (0.094 R)
• M56: 28,326,955 km (0.096 R)
• M57: 28,441,248 km (0.099 R)
• M58: 28,727,578 km (0.118 R)
• M59: 28,957,510 km (0.036 R)
• M60: 29,245,636 km (0.086 R)
• M61: 30,583,340 km (0.079 R)
• M62: 31,053,376 km (0.058 R)
• M63: 31,289,292 km (0.118 R)
• M64: 32,238,790 km (0.089 R)
• M65: 32,657,215 km (0.111 R)
• M66: 33,318,288 km (0.056 R)
• M67: 33,438,864 km (0.079 R)
• M68: 34,837,155 km (0.07 R)
• M69: 35,327,986 km (0.08 R)
• M70: 35,574,224 km (0.105 R)
• M71: 35,944,778 km (0.052 R)
• M72: 36,751,858 km (0.026 R)
• M73: 37,439,560 km (0.088 R)
• M74: 37,879,228 km (0.095 R)
• M75: 39,336,311 km (0.066 R)
• M76: 39,655,553 km (0.116 R)
• M77: 40,618,215 km (0.055 R)
• M78: 42,763,150 km (0.114 R)
• M79: 43,354,510 km (0.046 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 153.5

Radius: 7.7

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 15.29 AU - 16.97 AU

Year: 23314 Days

Day: 16.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 100.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 51,190,360 km

• M1: 229,633 km (0.107 R)
• M2: 616,343 km (0.049 R)
• M3: 701,614 km (0.12 R)
• M4: 846,724 km (0.038 R)
• M5: 1,859,053 km (0.109 R)
• M6: 2,140,596 km (0.099 R)
• M7: 2,658,354 km (0.108 R)
• M8: 2,800,921 km (0.084 R)
• M9: 3,064,064 km (0.076 R)
• M10: 3,614,135 km (0.073 R)
• M11: 3,708,830 km (0.064 R)
• M12: 4,194,425 km (0.096 R)
• M13: 4,907,857 km (0.085 R)
• M14: 5,404,223 km (0.099 R)
• M15: 5,879,346 km (0.104 R)
• M16: 5,953,696 km (0.117 R)
• M17: 6,103,294 km (0.11 R)
• M18: 6,367,933 km (0.109 R)
• M19: 6,520,971 km (0.115 R)
• M20: 6,636,461 km (0.088 R)
• M21: 6,830,489 km (0.12 R)
• M22: 7,026,462 km (0.074 R)
• M23: 7,585,061 km (0.103 R)
• M24: 8,034,004 km (0.119 R)
• M25: 8,491,474 km (0.1 R)
• M26: 8,659,922 km (0.074 R)
• M27: 10,091,573 km (0.029 R)
• M28: 10,584,947 km (0.112 R)
• M29: 10,720,931 km (0.092 R)
• M30: 11,455,607 km (0.106 R)
• M31: 11,970,223 km (0.078 R)
• M32: 12,349,155 km (0.116 R)
• M33: 13,854,558 km (0.104 R)
• M34: 14,856,116 km (0.092 R)
• M35: 15,263,321 km (0.11 R)
• M36: 16,192,773 km (0.118 R)
• M37: 16,401,911 km (0.115 R)
• M38: 16,875,537 km (0.054 R)
• M39: 17,782,400 km (0.11 R)
• M40: 18,869,527 km (0.1 R)
• M41: 19,698,898 km (0.068 R)
• M42: 20,766,428 km (0.07 R)
• M43: 22,490,095 km (0.047 R)
• M44: 23,310,041 km (0.115 R)
• M45: 23,664,438 km (0.081 R)
• M46: 24,139,860 km (0.116 R)
• M47: 24,438,458 km (0.099 R)
• M48: 25,220,855 km (0.105 R)
• M49: 25,706,300 km (0.104 R)
• M50: 26,133,701 km (0.025 R)
• M51: 27,243,268 km (0.031 R)
• M52: 27,929,025 km (0.104 R)
• M53: 28,873,137 km (0.06 R)
• M54: 29,636,086 km (0.103 R)
• M55: 30,019,954 km (0.078 R)
• M56: 30,986,955 km (0.041 R)
• M57: 31,376,508 km (0.086 R)
• M58: 31,506,808 km (0.069 R)
• M59: 35,361,346 km (0.092 R)
• M60: 37,758,353 km (0.095 R)
• M61: 39,572,676 km (0.095 R)
• M62: 39,783,908 km (0.104 R)
• M63: 40,987,573 km (0.107 R)
• M64: 41,058,781 km (0.114 R)
• M65: 41,129,990 km (0.067 R)
• M66: 44,158,000 km (0.063 R)
• M67: 46,661,521 km (0.115 R)
• M68: 47,033,571 km (0.097 R)
• M69: 47,630,915 km (0.026 R)
• M70: 49,210,668 km (0.086 R)
• M71: 49,362,061 km (0.087 R)
• M72: 49,892,984 km (0.06 R)
• M73: 50,578,442 km (0.118 R)
• M74: 50,654,737 km (0.118 R)

Kuiper Belt

Range: 30.5 - 60.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 380 - 11,345 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit