🌌 Stone's Star System Generator

Asteroid Belt

Center: 1 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.98 AU - 2 AU

Year: 1046 Days

Day: 45.2 Hours

Environment

Temp: -78 °C

Axial Tilt: 28 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.34 AU - 3.44 AU

Year: 1831 Days

Day: 30.8 Hours

Environment

Temp: -102 °C

Axial Tilt: 5.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 31,611,534 km

• M1: 1,439,281 km (0.077 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.81 AU - 3.53 AU

Year: 2104 Days

Day: 38 Hours

Environment

Temp: -122 °C

Axial Tilt: 45.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.34 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428

Radius: 10.9

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 6.61 AU - 8.39 AU

Year: 7657 Days

Day: 13.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 31,611,534 km

• M1: 254,765 km (0.028 R)
• M2: 378,632 km (0.068 R)
• M3: 600,486 km (0.041 R)
• M4: 741,257 km (0.048 R)
• M5: 923,019 km (0.068 R)
• M6: 1,057,956 km (0.091 R)
• M7: 1,183,618 km (0.073 R)
• M8: 1,331,271 km (0.103 R)
• M9: 1,645,277 km (0.113 R)
• M10: 2,100,354 km (0.026 R)
• M11: 2,362,898 km (0.099 R)
• M12: 2,529,999 km (0.081 R)
• M13: 3,446,436 km (0.032 R)
• M14: 3,541,131 km (0.083 R)
• M15: 4,227,636 km (0.085 R)
• M16: 4,354,495 km (0.1 R)
• M17: 4,456,969 km (0.105 R)
• M18: 4,534,461 km (0.057 R)
• M19: 5,224,107 km (0.117 R)
• M20: 5,333,014 km (0.09 R)
• M21: 5,804,996 km (0.106 R)
• M22: 6,907,981 km (0.084 R)
• M23: 7,088,097 km (0.111 R)
• M24: 7,391,631 km (0.093 R)
• M25: 7,886,351 km (0.069 R)
• M26: 8,327,964 km (0.054 R)
• M27: 9,235,275 km (0.046 R)
• M28: 9,400,581 km (0.117 R)
• M29: 9,566,933 km (0.094 R)
• M30: 10,207,960 km (0.078 R)
• M31: 10,413,358 km (0.036 R)
• M32: 11,002,475 km (0.111 R)
• M33: 11,566,907 km (0.076 R)
• M34: 11,638,116 km (0.058 R)
• M35: 12,068,659 km (0.108 R)
• M36: 12,176,967 km (0.077 R)
• M37: 12,322,077 km (0.073 R)
• M38: 12,504,288 km (0.099 R)
• M39: 13,204,705 km (0.085 R)
• M40: 13,653,498 km (0.094 R)
• M41: 14,031,532 km (0.091 R)
• M42: 14,183,673 km (0.075 R)
• M43: 14,451,154 km (0.12 R)
• M44: 14,643,388 km (0.093 R)
• M45: 14,913,861 km (0.113 R)
• M46: 14,991,352 km (0.059 R)
• M47: 16,250,817 km (0.049 R)
• M48: 17,299,049 km (0.054 R)
• M49: 17,380,580 km (0.115 R)
• M50: 18,202,919 km (0.108 R)
• M51: 19,037,975 km (0.05 R)
• M52: 19,417,953 km (0.095 R)
• M53: 21,310,965 km (0.093 R)
• M54: 21,442,162 km (0.072 R)
• M55: 21,793,268 km (0.102 R)
• M56: 22,235,031 km (0.063 R)
• M57: 22,635,055 km (0.094 R)
• M58: 23,082,353 km (0.06 R)
• M59: 23,172,112 km (0.103 R)
• M60: 23,849,491 km (0.106 R)
• M61: 24,167,835 km (0.079 R)
• M62: 24,854,639 km (0.095 R)
• M63: 25,501,351 km (0.116 R)
• M64: 25,966,899 km (0.114 R)
• M65: 26,060,248 km (0.098 R)
• M66: 26,811,678 km (0.093 R)
• M67: 27,332,429 km (0.113 R)
• M68: 27,617,861 km (0.053 R)
• M69: 28,672,975 km (0.03 R)
• M70: 29,156,924 km (0.06 R)
• M71: 29,254,013 km (0.07 R)
• M72: 29,838,941 km (0.102 R)
• M73: 30,034,765 km (0.091 R)
• M74: 30,329,472 km (0.076 R)
• M75: 30,921,431 km (0.061 R)
• M76: 31,318,165 km (0.113 R)
• M77: 31,417,647 km (0.075 R)
• M78: 31,916,556 km (0.105 R)
• M79: 32,367,893 km (0.11 R)
• M80: 32,569,102 km (0.101 R)
• M81: 34,040,547 km (0.065 R)
• M82: 34,296,359 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 178.9

Radius: 5.2

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 11.46 AU - 15.5 AU

Year: 18450 Days

Day: 19.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 31,611,534 km

• M1: 185,202 km (0.1 R)
• M2: 303,833 km (0.103 R)
• M3: 741,108 km (0.105 R)
• M4: 809,773 km (0.1 R)
• M5: 972,386 km (0.064 R)
• M6: 1,067,231 km (0.118 R)
• M7: 1,370,017 km (0.087 R)
• M8: 1,608,327 km (0.118 R)
• M9: 1,977,833 km (0.079 R)
• M10: 2,025,854 km (0.09 R)
• M11: 2,123,093 km (0.082 R)
• M12: 2,271,943 km (0.111 R)
• M13: 2,347,639 km (0.104 R)
• M14: 3,121,360 km (0.115 R)
• M15: 3,434,019 km (0.075 R)
• M16: 3,638,220 km (0.116 R)
• M17: 4,367,809 km (0.104 R)
• M18: 5,509,839 km (0.091 R)
• M19: 5,817,712 km (0.111 R)
• M20: 5,852,269 km (0.115 R)
• M21: 6,096,113 km (0.103 R)
• M22: 6,201,580 km (0.117 R)
• M23: 6,521,719 km (0.077 R)
• M24: 8,435,076 km (0.079 R)
• M25: 8,474,271 km (0.1 R)
• M26: 9,553,769 km (0.097 R)
• M27: 11,016,537 km (0.091 R)
• M28: 11,708,128 km (0.095 R)
• M29: 13,087,570 km (0.045 R)
• M30: 13,635,098 km (0.091 R)
• M31: 13,819,403 km (0.098 R)
• M32: 15,802,771 km (0.077 R)
• M33: 15,899,411 km (0.114 R)
• M34: 15,996,351 km (0.116 R)
• M35: 16,044,820 km (0.082 R)
• M36: 16,239,298 km (0.098 R)
• M37: 17,472,433 km (0.108 R)
• M38: 17,622,330 km (0.037 R)
• M39: 17,672,445 km (0.102 R)
• M40: 18,327,983 km (0.111 R)
• M41: 19,248,758 km (0.114 R)
• M42: 20,763,586 km (0.114 R)
• M43: 22,696,690 km (0.119 R)
• M44: 23,739,836 km (0.055 R)
• M45: 23,795,187 km (0.073 R)
• M46: 23,961,390 km (0.091 R)
• M47: 24,016,891 km (0.072 R)
• M48: 24,742,441 km (0.11 R)
• M49: 24,910,888 km (0.087 R)
• M50: 27,135,109 km (0.097 R)
• M51: 28,300,177 km (0.067 R)
• M52: 29,184,600 km (0.039 R)
• M53: 29,600,482 km (0.088 R)
• M54: 29,898,780 km (0.11 R)
• M55: 30,678,783 km (0.117 R)
• M56: 33,430,337 km (0.11 R)
• M57: 33,678,819 km (0.118 R)
• M58: 34,177,279 km (0.044 R)
• M59: 36,005,066 km (0.082 R)
• M60: 37,219,801 km (0.101 R)
• M61: 37,993,820 km (0.113 R)
• M62: 39,754,737 km (0.05 R)
• M63: 41,142,706 km (0.113 R)
• M64: 42,009,775 km (0.105 R)
• M65: 42,076,795 km (0.114 R)
• M66: 43,220,321 km (0.057 R)
• M67: 44,169,819 km (0.098 R)
• M68: 45,126,198 km (0.039 R)
• M69: 45,744,486 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 42.4

Radius: 5.4

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 11.79 AU - 18.09 AU

Year: 21527 Days

Day: 16.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 31,611,534 km

• M1: 75,098 km (0.083 R)
• M2: 358,287 km (0.102 R)
• M3: 519,254 km (0.047 R)
• M4: 702,212 km (0.091 R)
• M5: 1,049,728 km (0.088 R)
• M6: 1,109,867 km (0.078 R)
• M7: 1,281,306 km (0.11 R)
• M8: 1,666,670 km (0.074 R)
• M9: 1,755,082 km (0.096 R)
• M10: 1,808,788 km (0.08 R)
• M11: 1,936,544 km (0.089 R)
• M12: 2,219,883 km (0.078 R)
• M13: 3,411,430 km (0.11 R)
• M14: 3,729,774 km (0.054 R)
• M15: 4,105,265 km (0.117 R)
• M16: 4,297,498 km (0.12 R)
• M17: 4,394,737 km (0.026 R)
• M18: 4,866,568 km (0.058 R)
• M19: 5,276,317 km (0.117 R)
• M20: 5,328,377 km (0.116 R)
• M21: 6,514,987 km (0.104 R)
• M22: 6,824,056 km (0.036 R)
• M23: 7,166,636 km (0.026 R)
• M24: 7,310,998 km (0.107 R)
• M25: 7,838,779 km (0.084 R)
• M26: 7,987,479 km (0.084 R)
• M27: 8,047,318 km (0.085 R)
• M28: 8,318,090 km (0.102 R)
• M29: 8,561,486 km (0.108 R)
• M30: 8,837,943 km (0.117 R)
• M31: 8,961,660 km (0.119 R)
• M32: 9,305,137 km (0.087 R)
• M33: 9,526,093 km (0.104 R)
• M34: 9,844,437 km (0.114 R)
• M35: 10,037,269 km (0.095 R)
• M36: 11,086,249 km (0.109 R)
• M37: 11,522,178 km (0.084 R)
• M38: 11,555,987 km (0.115 R)
• M39: 11,963,940 km (0.117 R)
• M40: 12,480,352 km (0.087 R)
• M41: 12,863,771 km (0.114 R)
• M42: 13,109,710 km (0.049 R)
• M43: 13,286,385 km (0.093 R)
• M44: 13,428,204 km (0.054 R)
• M45: 14,399,094 km (0.102 R)
• M46: 14,581,304 km (0.078 R)
• M47: 14,690,960 km (0.117 R)
• M48: 15,021,870 km (0.107 R)
• M49: 15,392,275 km (0.064 R)
• M50: 15,616,073 km (0.065 R)
• M51: 15,991,264 km (0.095 R)
• M52: 16,028,963 km (0.077 R)
• M53: 17,444,159 km (0.111 R)
• M54: 19,058,470 km (0.113 R)
• M55: 19,660,900 km (0.038 R)
• M56: 20,843,322 km (0.037 R)
• M57: 20,967,039 km (0.093 R)
• M58: 21,713,832 km (0.107 R)
• M59: 22,680,832 km (0.096 R)
• M60: 23,575,876 km (0.094 R)
• M61: 24,918,218 km (0.068 R)
• M62: 25,005,733 km (0.083 R)
• M63: 25,224,744 km (0.096 R)
• M64: 25,312,558 km (0.079 R)
• M65: 25,532,617 km (0.042 R)
• M66: 25,620,730 km (0.074 R)
• M67: 25,885,817 km (0.083 R)
• M68: 26,597,305 km (0.103 R)
• M69: 26,731,344 km (0.104 R)
• M70: 27,000,172 km (0.053 R)
• M71: 28,449,326 km (0.117 R)
• M72: 30,202,763 km (0.092 R)
• M73: 30,623,133 km (0.113 R)
• M74: 30,904,527 km (0.115 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 500 - 20,365 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit