🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.55 AU - 0.67 AU

Year: 167 Days

Day: 27.9 Hours

Environment

Temp: 163 °C

Axial Tilt: 24 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.86 AU - 1.4 AU

Year: 420 Days

Day: 19 Hours

Environment

Temp: 28 °C

Axial Tilt: 23.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 43,271,073 km

• M1: 185,053 km (0.112 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.25 AU - 1.51 AU

Year: 567 Days

Day: 14.7 Hours

Environment

Temp: -6 °C

Axial Tilt: 0.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 43,271,073 km

• M1: 478,414 km (0.092 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.38 AU - 1.98 AU

Year: 762 Days

Day: 38 Hours

Environment

Temp: -22 °C

Axial Tilt: 13.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,271,073 km

• M1: 665,112 km (0.113 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 4.1 AU - 4.64 AU

Year: 3196 Days

Day: 22.6 Hours

Environment

Temp: -117 °C

Axial Tilt: 25.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,271,073 km

• M1: 219,759 km (0.093 R)

Asteroid Belt

Center: 4.89 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Terrestrial

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 4.52 AU - 6.3 AU

Year: 4402 Days

Day: 28.5 Hours

Environment

Temp: -127 °C

Axial Tilt: 11.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.7

Radius: 11.1

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 5.72 AU - 6.08 AU

Year: 5014 Days

Day: 8.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 43,271,073 km

• M1: 170,542 km (0.036 R)
• M2: 390,600 km (0.059 R)
• M3: 484,697 km (0.098 R)
• M4: 579,393 km (0.119 R)
• M5: 710,291 km (0.045 R)
• M6: 790,176 km (0.077 R)
• M7: 916,137 km (0.109 R)
• M8: 1,177,485 km (0.09 R)
• M9: 1,336,059 km (0.066 R)
• M10: 1,462,918 km (0.051 R)
• M11: 1,647,671 km (0.056 R)
• M12: 1,882,540 km (0.086 R)
• M13: 1,968,110 km (0.103 R)
• M14: 2,323,704 km (0.084 R)
• M15: 2,651,473 km (0.043 R)
• M16: 3,196,757 km (0.104 R)
• M17: 3,438,657 km (0.112 R)
• M18: 3,597,380 km (0.12 R)
• M19: 4,143,861 km (0.117 R)
• M20: 4,313,056 km (0.084 R)
• M21: 4,599,985 km (0.094 R)
• M22: 4,794,761 km (0.089 R)
• M23: 5,112,208 km (0.088 R)
• M24: 5,518,815 km (0.086 R)
• M25: 5,642,832 km (0.054 R)
• M26: 5,788,690 km (0.108 R)
• M27: 6,020,417 km (0.11 R)
• M28: 6,190,958 km (0.113 R)
• M29: 6,406,230 km (0.064 R)
• M30: 6,558,520 km (0.086 R)
• M31: 6,955,553 km (0.034 R)
• M32: 7,247,269 km (0.094 R)
• M33: 7,520,135 km (0.108 R)
• M34: 7,727,029 km (0.109 R)
• M35: 8,029,067 km (0.081 R)
• M36: 8,146,352 km (0.103 R)
• M37: 8,837,644 km (0.112 R)
• M38: 8,958,818 km (0.079 R)
• M39: 9,325,482 km (0.107 R)
• M40: 9,897,246 km (0.095 R)
• M41: 10,505,959 km (0.089 R)
• M42: 11,362,856 km (0.104 R)
• M43: 11,813,145 km (0.09 R)
• M44: 11,893,180 km (0.105 R)
• M45: 12,377,279 km (0.049 R)
• M46: 13,170,896 km (0.109 R)
• M47: 13,532,025 km (0.062 R)
• M48: 14,235,584 km (0.078 R)
• M49: 14,864,643 km (0.089 R)
• M50: 14,979,983 km (0.058 R)
• M51: 15,124,644 km (0.098 R)
• M52: 15,240,732 km (0.099 R)
• M53: 15,825,211 km (0.108 R)
• M54: 16,656,077 km (0.112 R)
• M55: 16,896,032 km (0.057 R)
• M56: 17,470,488 km (0.06 R)
• M57: 18,051,526 km (0.074 R)
• M58: 18,267,097 km (0.069 R)
• M59: 18,576,615 km (0.059 R)
• M60: 18,669,814 km (0.073 R)
• M61: 18,763,163 km (0.045 R)
• M62: 19,138,205 km (0.112 R)
• M63: 19,389,530 km (0.113 R)
• M64: 20,277,991 km (0.091 R)
• M65: 20,566,416 km (0.118 R)
• M66: 21,082,529 km (0.106 R)
• M67: 21,472,381 km (0.11 R)
• M68: 21,635,442 km (0.03 R)
• M69: 21,733,579 km (0.101 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400

Radius: 12.4

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 5.33 AU - 7.09 AU

Year: 5414 Days

Day: 10.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 43,271,073 km

• M1: 158,574 km (0.049 R)
• M2: 373,845 km (0.095 R)
• M3: 633,846 km (0.118 R)
• M4: 730,636 km (0.115 R)
• M5: 965,953 km (0.077 R)
• M6: 1,119,441 km (0.107 R)
• M7: 1,323,492 km (0.092 R)
• M8: 1,466,658 km (0.077 R)
• M9: 1,555,070 km (0.112 R)
• M10: 1,691,354 km (0.07 R)
• M11: 2,503,072 km (0.065 R)
• M12: 3,034,742 km (0.109 R)
• M13: 3,702,547 km (0.067 R)
• M14: 3,887,001 km (0.117 R)
• M15: 4,116,485 km (0.096 R)
• M16: 4,329,213 km (0.117 R)
• M17: 4,545,382 km (0.045 R)
• M18: 4,899,031 km (0.058 R)
• M19: 5,147,364 km (0.044 R)
• M20: 5,284,545 km (0.042 R)
• M21: 5,469,448 km (0.091 R)
• M22: 6,327,691 km (0.068 R)
• M23: 6,598,463 km (0.115 R)
• M24: 7,562,920 km (0.09 R)
• M25: 7,667,040 km (0.094 R)
• M26: 7,929,435 km (0.042 R)
• M27: 8,008,722 km (0.11 R)
• M28: 8,707,045 km (0.058 R)
• M29: 8,871,004 km (0.086 R)
• M30: 9,285,241 km (0.099 R)
• M31: 9,904,576 km (0.092 R)
• M32: 10,047,143 km (0.108 R)
• M33: 10,248,053 km (0.065 R)
• M34: 10,334,520 km (0.102 R)
• M35: 10,624,441 km (0.111 R)
• M36: 10,946,675 km (0.12 R)
• M37: 11,153,269 km (0.11 R)
• M38: 11,630,636 km (0.06 R)
• M39: 11,841,569 km (0.108 R)
• M40: 11,993,112 km (0.091 R)
• M41: 12,114,735 km (0.045 R)
• M42: 12,667,200 km (0.098 R)
• M43: 13,039,998 km (0.058 R)
• M44: 13,165,061 km (0.075 R)
• M45: 14,309,036 km (0.071 R)
• M46: 15,089,189 km (0.074 R)
• M47: 15,385,393 km (0.083 R)
• M48: 15,883,404 km (0.081 R)
• M49: 16,016,995 km (0.079 R)
• M50: 16,285,523 km (0.117 R)
• M51: 16,487,780 km (0.116 R)
• M52: 17,065,676 km (0.113 R)
• M53: 17,271,224 km (0.116 R)
• M54: 17,512,076 km (0.1 R)
• M55: 17,719,419 km (0.118 R)
• M56: 18,031,929 km (0.116 R)
• M57: 19,229,011 km (0.052 R)
• M58: 19,729,416 km (0.063 R)
• M59: 20,379,120 km (0.108 R)
• M60: 21,329,814 km (0.041 R)
• M61: 21,514,418 km (0.108 R)
• M62: 21,959,322 km (0.081 R)
• M63: 22,071,071 km (0.095 R)
• M64: 22,332,569 km (0.067 R)
• M65: 22,444,917 km (0.067 R)
• M66: 23,047,347 km (0.111 R)
• M67: 23,198,740 km (0.099 R)
• M68: 23,312,584 km (0.104 R)
• M69: 23,999,238 km (0.058 R)
• M70: 24,345,109 km (0.103 R)
• M71: 24,460,748 km (0.065 R)
• M72: 24,963,995 km (0.102 R)
• M73: 25,980,812 km (0.055 R)
• M74: 26,059,650 km (0.119 R)
• M75: 26,217,476 km (0.063 R)
• M76: 26,335,957 km (0.097 R)
• M77: 26,415,094 km (0.058 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.7

Radius: 8.6

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 5.92 AU - 8.4 AU

Year: 6703 Days

Day: 7.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 43,271,073 km

• M1: 121,473 km (0.108 R)
• M2: 248,931 km (0.053 R)
• M3: 832,811 km (0.116 R)
• M4: 974,630 km (0.045 R)
• M5: 1,547,141 km (0.078 R)
• M6: 1,906,326 km (0.064 R)
• M7: 2,063,703 km (0.105 R)
• M8: 2,127,880 km (0.097 R)
• M9: 2,225,268 km (0.117 R)
• M10: 2,408,077 km (0.107 R)
• M11: 2,509,803 km (0.083 R)
• M12: 2,770,553 km (0.094 R)
• M13: 2,877,216 km (0.11 R)
• M14: 3,299,231 km (0.106 R)
• M15: 3,431,626 km (0.088 R)
• M16: 3,938,613 km (0.072 R)
• M17: 3,998,601 km (0.047 R)
• M18: 4,180,512 km (0.091 R)
• M19: 4,679,122 km (0.092 R)
• M20: 4,956,925 km (0.117 R)
• M21: 5,108,917 km (0.115 R)
• M22: 6,029,243 km (0.104 R)
• M23: 6,782,767 km (0.082 R)
• M24: 6,951,514 km (0.062 R)
• M25: 7,072,987 km (0.117 R)
• M26: 7,640,562 km (0.086 R)
• M27: 7,715,809 km (0.048 R)
• M28: 7,841,472 km (0.092 R)
• M29: 8,044,177 km (0.097 R)
• M30: 8,248,527 km (0.077 R)
• M31: 8,532,464 km (0.08 R)
• M32: 8,688,644 km (0.103 R)
• M33: 8,898,381 km (0.071 R)
• M34: 9,189,498 km (0.095 R)
• M35: 9,376,346 km (0.113 R)
• M36: 9,429,902 km (0.063 R)
• M37: 9,971,895 km (0.074 R)
• M38: 10,357,259 km (0.099 R)
• M39: 10,747,560 km (0.083 R)
• M40: 11,485,227 km (0.086 R)
• M41: 11,571,395 km (0.074 R)
• M42: 11,686,586 km (0.066 R)
• M43: 12,151,237 km (0.12 R)
• M44: 12,239,051 km (0.109 R)
• M45: 13,068,720 km (0.096 R)
• M46: 13,279,055 km (0.116 R)
• M47: 13,490,437 km (0.084 R)
• M48: 13,581,392 km (0.108 R)
• M49: 14,131,314 km (0.079 R)
• M50: 14,223,766 km (0.064 R)
• M51: 14,378,151 km (0.102 R)
• M52: 14,907,129 km (0.058 R)
• M53: 15,158,453 km (0.094 R)
• M54: 15,824,463 km (0.08 R)
• M55: 15,984,532 km (0.091 R)
• M56: 16,532,509 km (0.105 R)
• M57: 16,759,898 km (0.065 R)
• M58: 16,890,348 km (0.08 R)
• M59: 16,955,722 km (0.042 R)
• M60: 17,349,613 km (0.076 R)
• M61: 17,713,285 km (0.077 R)
• M62: 17,846,128 km (0.094 R)
• M63: 17,912,699 km (0.088 R)
• M64: 18,179,881 km (0.095 R)
• M65: 18,448,260 km (0.062 R)
• M66: 18,684,176 km (0.026 R)
• M67: 18,921,139 km (0.119 R)
• M68: 19,637,862 km (0.101 R)
• M69: 19,741,085 km (0.06 R)
• M70: 19,844,307 km (0.092 R)
• M71: 20,120,764 km (0.089 R)
• M72: 21,309,469 km (0.059 R)
• M73: 21,734,476 km (0.066 R)
• M74: 22,162,177 km (0.115 R)
• M75: 22,448,956 km (0.09 R)
• M76: 23,681,343 km (0.057 R)
• M77: 23,900,953 km (0.054 R)
• M78: 24,379,516 km (0.089 R)
• M79: 24,453,418 km (0.08 R)
• M80: 24,823,971 km (0.109 R)

Planet 10 - Gas Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.1

Radius: 10.9

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 6.33 AU - 8.99 AU

Year: 7417 Days

Day: 13.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 43,271,073 km

• M1: 155,582 km (0.073 R)
• M2: 231,129 km (0.071 R)
• M3: 575,054 km (0.104 R)
• M4: 753,674 km (0.091 R)
• M5: 883,675 km (0.065 R)
• M6: 1,458,878 km (0.098 R)
• M7: 1,906,326 km (0.109 R)
• M8: 2,419,446 km (0.106 R)
• M9: 2,819,022 km (0.07 R)
• M10: 2,974,305 km (0.109 R)
• M11: 3,320,474 km (0.112 R)
• M12: 3,567,909 km (0.104 R)
• M13: 3,651,684 km (0.054 R)
• M14: 3,736,207 km (0.103 R)
• M15: 4,346,117 km (0.072 R)
• M16: 4,465,796 km (0.064 R)
• M17: 4,893,646 km (0.041 R)
• M18: 5,049,527 km (0.075 R)
• M19: 5,430,702 km (0.094 R)
• M20: 5,624,880 km (0.067 R)
• M21: 5,722,717 km (0.081 R)
• M22: 6,663,987 km (0.091 R)
• M23: 6,733,101 km (0.108 R)
• M24: 7,011,802 km (0.09 R)
• M25: 7,834,440 km (0.095 R)
• M26: 7,943,946 km (0.112 R)
• M27: 8,201,554 km (0.109 R)
• M28: 8,424,604 km (0.091 R)
• M29: 8,724,997 km (0.12 R)
• M30: 9,259,360 km (0.073 R)
• M31: 9,647,567 km (0.108 R)
• M32: 11,625,999 km (0.102 R)
• M33: 11,834,688 km (0.108 R)
• M34: 11,960,649 km (0.102 R)
• M35: 12,086,910 km (0.098 R)
• M36: 12,256,105 km (0.091 R)
• M37: 14,525,355 km (0.111 R)
• M38: 14,615,114 km (0.111 R)
• M39: 15,340,514 km (0.091 R)
• M40: 17,347,668 km (0.119 R)
• M41: 17,442,962 km (0.093 R)
• M42: 18,357,604 km (0.051 R)
• M43: 18,894,211 km (0.032 R)
• M44: 19,287,803 km (0.095 R)
• M45: 20,233,262 km (0.109 R)
• M46: 20,838,235 km (0.114 R)
• M47: 21,041,090 km (0.12 R)
• M48: 21,244,842 km (0.098 R)
• M49: 21,500,206 km (0.032 R)
• M50: 21,705,305 km (0.096 R)
• M51: 21,859,540 km (0.079 R)
• M52: 22,169,208 km (0.079 R)
• M53: 22,480,222 km (0.119 R)
• M54: 22,636,402 km (0.092 R)
• M55: 22,844,941 km (0.099 R)
• M56: 24,004,026 km (0.113 R)
• M57: 25,074,249 km (0.059 R)
• M58: 25,344,273 km (0.065 R)
• M59: 26,050,824 km (0.108 R)
• M60: 26,488,846 km (0.06 R)
• M61: 27,095,017 km (0.107 R)
• M62: 27,929,025 km (0.053 R)
• M63: 28,152,823 km (0.103 R)
• M64: 28,658,763 km (0.054 R)
• M65: 31,814,530 km (0.106 R)
• M66: 31,931,366 km (0.119 R)
• M67: 32,753,107 km (0.072 R)
• M68: 33,819,890 km (0.112 R)
• M69: 35,199,631 km (0.086 R)
• M70: 35,744,466 km (0.099 R)
• M71: 37,519,146 km (0.099 R)
• M72: 37,766,132 km (0.081 R)
• M73: 38,137,733 km (0.105 R)
• M74: 38,946,908 km (0.104 R)
• M75: 39,573,274 km (0.05 R)
• M76: 39,698,937 km (0.066 R)
• M77: 40,329,192 km (0.066 R)
• M78: 40,709,021 km (0.054 R)
• M79: 40,899,310 km (0.106 R)
• M80: 42,432,688 km (0.071 R)
• M81: 42,625,669 km (0.091 R)
• M82: 43,141,782 km (0.081 R)

Kuiper Belt

Range: 31.4 - 57.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 290 - 11,674 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit