🌌 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: 1.01

Radius: 1

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.57 AU - 0.61 AU

Year: 161 Days

Day: 25.4 Hours

Environment

Temp: 162 °C

Axial Tilt: 28.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.57 AU - 0.83 AU

Year: 208 Days

Day: 43.6 Hours

Environment

Temp: 193 °C

Axial Tilt: 25.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 70,403,057 km

• M1: 418,575 km (0.054 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.68 AU - 0.94 AU

Year: 259 Days

Day: 42.7 Hours

Environment

Temp: 181 °C

Axial Tilt: 31.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.75 AU - 1.23 AU

Year: 349 Days

Day: 28.7 Hours

Environment

Temp: 169 °C

Axial Tilt: 28.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.77 AU - 1.28 AU

Year: 365 Days

Day: 20.7 Hours

Environment

Temp: 70 °C

Axial Tilt: 0.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 70,403,057 km

• M1: 303,833 km (0.118 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.85 AU - 2.99 AU

Year: 1336 Days

Day: 30.2 Hours

Environment

Temp: -79 °C

Axial Tilt: 15 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 70,403,057 km

• M1: 323,431 km (0.116 R)
• M2: 919,429 km (0.11 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.55 AU - 4.97 AU

Year: 3684 Days

Day: 46.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 26.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.23 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.5

Radius: 14

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 6.64 AU - 8.74 AU

Year: 7565 Days

Day: 13.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 70,403,057 km

• M1: 239,955 km (0.109 R)
• M2: 339,438 km (0.063 R)
• M3: 731,833 km (0.096 R)
• M4: 997,219 km (0.068 R)
• M5: 1,179,878 km (0.109 R)
• M6: 1,579,604 km (0.118 R)
• M7: 1,952,851 km (0.116 R)
• M8: 2,114,865 km (0.049 R)
• M9: 2,209,561 km (0.095 R)
• M10: 3,289,508 km (0.071 R)
• M11: 3,427,886 km (0.074 R)
• M12: 3,855,137 km (0.096 R)
• M13: 3,942,652 km (0.032 R)
• M14: 4,543,437 km (0.066 R)
• M15: 4,760,503 km (0.12 R)
• M16: 4,854,601 km (0.088 R)
• M17: 5,269,884 km (0.082 R)
• M18: 5,531,082 km (0.109 R)
• M19: 6,548,946 km (0.11 R)
• M20: 6,724,125 km (0.054 R)
• M21: 6,936,554 km (0.045 R)
• M22: 7,994,660 km (0.112 R)
• M23: 8,523,488 km (0.078 R)
• M24: 9,220,016 km (0.12 R)
• M25: 9,338,049 km (0.103 R)
• M26: 9,774,575 km (0.105 R)
• M27: 10,709,263 km (0.048 R)
• M28: 10,833,279 km (0.034 R)
• M29: 10,999,333 km (0.112 R)
• M30: 12,532,262 km (0.1 R)
• M31: 12,750,526 km (0.055 R)
• M32: 13,235,073 km (0.095 R)
• M33: 13,412,795 km (0.111 R)
• M34: 13,860,392 km (0.111 R)
• M35: 14,495,585 km (0.115 R)
• M36: 14,862,848 km (0.063 R)
• M37: 15,372,677 km (0.088 R)
• M38: 15,512,850 km (0.055 R)
• M39: 15,841,367 km (0.092 R)
• M40: 15,982,737 km (0.106 R)
• M41: 16,077,433 km (0.044 R)
• M42: 16,172,128 km (0.101 R)
• M43: 16,985,043 km (0.114 R)
• M44: 17,178,323 km (0.054 R)
• M45: 17,518,210 km (0.089 R)
• M46: 17,615,748 km (0.119 R)
• M47: 18,900,045 km (0.11 R)
• M48: 19,351,681 km (0.068 R)
• M49: 19,959,498 km (0.112 R)
• M50: 20,061,374 km (0.117 R)
• M51: 20,882,816 km (0.105 R)
• M52: 22,824,297 km (0.084 R)
• M53: 23,951,816 km (0.071 R)
• M54: 24,168,583 km (0.095 R)
• M55: 25,097,287 km (0.111 R)
• M56: 25,926,508 km (0.076 R)
• M57: 26,764,705 km (0.12 R)
• M58: 27,725,422 km (0.052 R)
• M59: 28,295,839 km (0.109 R)
• M60: 32,876,376 km (0.104 R)
• M61: 33,117,378 km (0.112 R)
• M62: 35,498,228 km (0.04 R)
• M63: 36,117,564 km (0.102 R)
• M64: 37,053,298 km (0.084 R)
• M65: 37,429,836 km (0.095 R)
• M66: 37,807,720 km (0.089 R)
• M67: 39,139,889 km (0.083 R)
• M68: 39,395,402 km (0.115 R)
• M69: 40,681,346 km (0.075 R)
• M70: 41,069,851 km (0.064 R)
• M71: 41,589,704 km (0.114 R)
• M72: 41,980,902 km (0.11 R)
• M73: 43,030,481 km (0.106 R)
• M74: 43,162,277 km (0.087 R)
• M75: 44,221,579 km (0.11 R)
• M76: 44,420,993 km (0.095 R)
• M77: 44,620,856 km (0.098 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.8

Radius: 10.1

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 11.52 AU - 11.64 AU

Year: 13980 Days

Day: 5.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 70,403,057 km

• M1: 134,638 km (0.077 R)
• M2: 395,238 km (0.038 R)
• M3: 498,610 km (0.108 R)
• M4: 629,657 km (0.025 R)
• M5: 948,301 km (0.067 R)
• M6: 1,051,523 km (0.103 R)
• M7: 1,431,352 km (0.068 R)
• M8: 1,502,711 km (0.088 R)
• M9: 1,599,949 km (0.093 R)
• M10: 1,852,470 km (0.077 R)
• M11: 2,283,013 km (0.082 R)
• M12: 2,509,953 km (0.041 R)
• M13: 3,266,320 km (0.096 R)
• M14: 3,393,628 km (0.092 R)
• M15: 4,295,703 km (0.094 R)
• M16: 4,470,732 km (0.074 R)
• M17: 4,863,876 km (0.073 R)
• M18: 5,119,987 km (0.056 R)
• M19: 5,837,309 km (0.12 R)
• M20: 6,031,337 km (0.035 R)
• M21: 6,267,104 km (0.111 R)
• M22: 6,586,046 km (0.04 R)
• M23: 7,157,211 km (0.052 R)
• M24: 7,323,265 km (0.056 R)
• M25: 7,701,598 km (0.115 R)
• M26: 7,871,840 km (0.093 R)
• M27: 8,477,562 km (0.111 R)
• M28: 9,323,538 km (0.109 R)
• M29: 9,414,194 km (0.093 R)
• M30: 9,642,032 km (0.099 R)
• M31: 9,825,588 km (0.051 R)
• M32: 10,242,966 km (0.066 R)
• M33: 10,524,360 km (0.065 R)
• M34: 10,999,183 km (0.098 R)
• M35: 11,432,419 km (0.089 R)
• M36: 11,773,352 km (0.061 R)
• M37: 12,515,059 km (0.071 R)
• M38: 12,615,140 km (0.115 R)
• M39: 13,018,007 km (0.074 R)
• M40: 15,900,309 km (0.109 R)
• M41: 16,171,829 km (0.044 R)
• M42: 16,664,455 km (0.114 R)
• M43: 16,829,760 km (0.098 R)
• M44: 17,552,318 km (0.113 R)
• M45: 17,889,213 km (0.049 R)
• M46: 18,569,584 km (0.075 R)
• M47: 19,142,843 km (0.06 R)
• M48: 20,248,221 km (0.041 R)
• M49: 21,613,900 km (0.081 R)
• M50: 22,703,272 km (0.069 R)
• M51: 22,825,494 km (0.096 R)
• M52: 23,193,205 km (0.112 R)
• M53: 23,377,809 km (0.043 R)
• M54: 26,013,424 km (0.111 R)
• M55: 26,397,591 km (0.107 R)
• M56: 26,977,283 km (0.106 R)
• M57: 27,561,313 km (0.062 R)
• M58: 31,016,127 km (0.105 R)
• M59: 31,764,265 km (0.11 R)
• M60: 32,724,983 km (0.119 R)
• M61: 34,464,357 km (0.062 R)
• M62: 35,097,904 km (0.115 R)
• M63: 35,948,518 km (0.095 R)
• M64: 36,519,383 km (0.103 R)
• M65: 40,969,920 km (0.095 R)
• M66: 41,342,120 km (0.1 R)
• M67: 42,541,146 km (0.117 R)
• M68: 43,144,923 km (0.103 R)
• M69: 44,132,120 km (0.119 R)
• M70: 46,593,753 km (0.076 R)
• M71: 48,154,657 km (0.117 R)
• M72: 48,705,028 km (0.075 R)
• M73: 48,862,704 km (0.093 R)
• M74: 49,020,529 km (0.118 R)
• M75: 50,368,705 km (0.103 R)
• M76: 52,292,833 km (0.087 R)
• M77: 53,507,568 km (0.109 R)
• M78: 53,588,949 km (0.094 R)
• M79: 53,996,005 km (0.082 R)

Planet 10 - Ice Giant

Semi-Major Axis: 19.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 220.5

Radius: 5.6

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 16.99 AU - 22.71 AU

Year: 31375 Days

Day: 18.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 70,403,057 km

• M1: 283,638 km (0.077 R)
• M2: 381,624 km (0.075 R)
• M3: 510,578 km (0.09 R)
• M4: 786,286 km (0.03 R)
• M5: 1,572,423 km (0.037 R)
• M6: 1,782,010 km (0.108 R)
• M7: 2,260,573 km (0.101 R)
• M8: 2,428,572 km (0.11 R)
• M9: 2,920,599 km (0.108 R)
• M10: 3,481,142 km (0.049 R)
• M11: 3,753,859 km (0.064 R)
• M12: 7,032,446 km (0.063 R)
• M13: 8,546,676 km (0.086 R)
• M14: 8,598,886 km (0.079 R)
• M15: 8,651,095 km (0.093 R)
• M16: 8,703,604 km (0.073 R)
• M17: 9,718,626 km (0.106 R)
• M18: 10,546,201 km (0.069 R)
• M19: 12,385,956 km (0.075 R)
• M20: 12,444,897 km (0.103 R)
• M21: 13,890,611 km (0.11 R)
• M22: 13,951,946 km (0.079 R)
• M23: 14,883,492 km (0.069 R)
• M24: 15,515,543 km (0.087 R)
• M25: 15,963,290 km (0.07 R)
• M26: 16,545,076 km (0.082 R)
• M27: 16,610,151 km (0.084 R)
• M28: 18,264,554 km (0.108 R)
• M29: 18,669,365 km (0.112 R)
• M30: 19,350,634 km (0.089 R)
• M31: 19,487,965 km (0.114 R)
• M32: 20,318,084 km (0.052 R)
• M33: 21,018,650 km (0.048 R)
• M34: 21,442,760 km (0.112 R)
• M35: 21,513,819 km (0.06 R)
• M36: 21,941,220 km (0.068 R)
• M37: 23,825,705 km (0.092 R)
• M38: 24,936,319 km (0.076 R)
• M39: 27,207,514 km (0.078 R)
• M40: 27,515,237 km (0.093 R)
• M41: 27,746,964 km (0.119 R)
• M42: 28,601,617 km (0.108 R)
• M43: 29,307,420 km (0.115 R)
• M44: 29,860,333 km (0.074 R)
• M45: 30,257,366 km (0.045 R)
• M46: 30,976,333 km (0.054 R)
• M47: 31,297,819 km (0.116 R)
• M48: 32,921,255 km (0.079 R)
• M49: 35,239,723 km (0.079 R)
• M50: 35,743,270 km (0.098 R)
• M51: 36,418,405 km (0.053 R)
• M52: 38,210,887 km (0.081 R)
• M53: 38,641,728 km (0.115 R)
• M54: 38,814,664 km (0.045 R)
• M55: 39,857,061 km (0.117 R)
• M56: 40,732,807 km (0.112 R)
• M57: 40,908,735 km (0.111 R)
• M58: 42,324,978 km (0.089 R)
• M59: 43,039,158 km (0.071 R)
• M60: 44,660,500 km (0.086 R)
• M61: 44,841,962 km (0.115 R)
• M62: 47,037,610 km (0.063 R)
• M63: 47,684,620 km (0.067 R)
• M64: 47,962,723 km (0.084 R)
• M65: 48,427,524 km (0.072 R)
• M66: 48,987,319 km (0.118 R)
• M67: 49,361,762 km (0.086 R)
• M68: 50,301,835 km (0.118 R)
• M69: 51,058,052 km (0.08 R)
• M70: 51,342,737 km (0.101 R)
• M71: 51,532,727 km (0.097 R)
• M72: 51,818,159 km (0.108 R)
• M73: 52,869,383 km (0.119 R)
• M74: 54,701,658 km (0.097 R)
• M75: 55,187,253 km (0.057 R)
• M76: 56,947,272 km (0.05 R)
• M77: 57,143,993 km (0.082 R)
• M78: 57,636,619 km (0.112 R)
• M79: 59,023,840 km (0.111 R)
• M80: 61,124,942 km (0.119 R)
• M81: 61,729,766 km (0.029 R)
• M82: 62,336,685 km (0.119 R)
• M83: 63,148,852 km (0.087 R)
• M84: 64,681,033 km (0.114 R)
• M85: 65,709,369 km (0.062 R)
• M86: 66,743,090 km (0.073 R)
• M87: 66,950,433 km (0.067 R)
• M88: 67,469,836 km (0.107 R)
• M89: 67,573,807 km (0.101 R)
• M90: 67,677,927 km (0.045 R)
• M91: 69,035,977 km (0.051 R)
• M92: 69,560,766 km (0.106 R)
• M93: 70,086,752 km (0.119 R)

Kuiper Belt

Range: 30.9 - 50.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 180 - 18,283 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit