🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.62 AU - 0.66 AU

Year: 326 Days

Day: 22 Hours

Environment

Temp: -137 °C

Axial Tilt: 2.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.91

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.52 AU - 0.82 AU

Year: 349 Days

Day: 30.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 33.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 62,783,808 km

• M1: 92,302 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.7

Radius: 9.3

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.09 AU - 1.19 AU

Year: 774 Days

Day: 6.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 62,783,808 km

• M1: 116,387 km (0.082 R)
• M2: 186,100 km (0.105 R)
• M3: 253,120 km (0.078 R)
• M4: 322,383 km (0.079 R)
• M5: 421,268 km (0.085 R)
• M6: 486,492 km (0.097 R)
• M7: 824,583 km (0.1 R)
• M8: 921,373 km (0.092 R)
• M9: 1,064,838 km (0.112 R)
• M10: 1,177,335 km (0.119 R)
• M11: 1,333,815 km (0.065 R)
• M12: 1,401,134 km (0.116 R)
• M13: 1,518,269 km (0.101 R)
• M14: 1,595,910 km (0.086 R)
• M15: 1,674,898 km (0.096 R)
• M16: 1,784,703 km (0.1 R)
• M17: 1,912,160 km (0.12 R)
• M18: 1,996,384 km (0.12 R)
• M19: 2,066,096 km (0.116 R)
• M20: 2,136,706 km (0.104 R)
• M21: 2,224,221 km (0.104 R)
• M22: 2,304,854 km (0.079 R)
• M23: 2,419,297 km (0.08 R)
• M24: 2,620,057 km (0.047 R)
• M25: 2,748,262 km (0.117 R)
• M26: 2,835,029 km (0.104 R)
• M27: 2,922,694 km (0.073 R)
• M28: 2,984,478 km (0.103 R)
• M29: 3,172,821 km (0.076 R)
• M30: 3,245,675 km (0.071 R)
• M31: 3,467,379 km (0.112 R)
• M32: 3,589,601 km (0.103 R)
• M33: 3,790,062 km (0.113 R)
• M34: 3,857,680 km (0.091 R)
• M35: 3,945,345 km (0.091 R)
• M36: 4,132,492 km (0.091 R)
• M37: 4,322,481 km (0.11 R)
• M38: 4,413,586 km (0.052 R)
• M39: 4,505,289 km (0.081 R)
• M40: 4,607,914 km (0.077 R)
• M41: 4,805,084 km (0.111 R)
• M42: 4,983,853 km (0.071 R)
• M43: 5,154,245 km (0.092 R)
• M44: 5,229,343 km (0.082 R)
• M45: 5,315,661 km (0.029 R)
• M46: 5,391,507 km (0.102 R)
• M47: 5,489,643 km (0.059 R)
• M48: 5,566,387 km (0.06 R)
• M49: 5,809,933 km (0.115 R)
• M50: 6,273,237 km (0.104 R)
• M51: 6,468,762 km (0.059 R)
• M52: 6,538,325 km (0.057 R)
• M53: 6,913,217 km (0.066 R)
• M54: 6,972,458 km (0.06 R)
• M55: 7,151,227 km (0.069 R)
• M56: 7,379,813 km (0.087 R)
• M57: 7,464,635 km (0.051 R)
• M58: 7,696,511 km (0.077 R)
• M59: 7,930,782 km (0.077 R)
• M60: 8,092,347 km (0.059 R)
• M61: 8,229,977 km (0.12 R)
• M62: 8,292,808 km (0.112 R)
• M63: 8,381,071 km (0.025 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.5

Radius: 10.2

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.73 AU - 2.37 AU

Year: 1866 Days

Day: 9.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 62,783,808 km

• M1: 132,843 km (0.116 R)
• M2: 228,885 km (0.027 R)
• M3: 337,942 km (0.105 R)
• M4: 423,811 km (0.077 R)
• M5: 496,665 km (0.079 R)
• M6: 627,713 km (0.12 R)
• M7: 723,754 km (0.08 R)
• M8: 825,331 km (0.046 R)
• M9: 1,098,497 km (0.065 R)
• M10: 1,204,412 km (0.079 R)
• M11: 1,340,247 km (0.115 R)
• M12: 1,406,818 km (0.119 R)
• M13: 1,488,200 km (0.116 R)
• M14: 1,778,569 km (0.1 R)
• M15: 1,889,421 km (0.108 R)
• M16: 2,002,667 km (0.1 R)
• M17: 2,102,598 km (0.1 R)
• M18: 2,180,688 km (0.056 R)
• M19: 2,437,249 km (0.102 R)
• M20: 2,644,591 km (0.078 R)
• M21: 2,936,008 km (0.088 R)
• M22: 3,006,020 km (0.075 R)
• M23: 3,301,176 km (0.114 R)
• M24: 3,662,006 km (0.116 R)
• M25: 4,163,010 km (0.077 R)
• M26: 4,241,997 km (0.108 R)
• M27: 4,351,503 km (0.047 R)
• M28: 4,563,034 km (0.057 R)
• M29: 4,634,392 km (0.081 R)
• M30: 4,716,372 km (0.087 R)
• M31: 4,788,478 km (0.047 R)
• M32: 5,017,513 km (0.035 R)
• M33: 5,239,516 km (0.114 R)
• M34: 5,324,936 km (0.089 R)
• M35: 5,540,656 km (0.117 R)
• M36: 6,081,303 km (0.088 R)
• M37: 6,159,842 km (0.043 R)
• M38: 6,638,705 km (0.111 R)
• M39: 6,754,493 km (0.118 R)
• M40: 7,046,957 km (0.082 R)
• M41: 7,117,867 km (0.11 R)
• M42: 7,188,776 km (0.059 R)
• M43: 7,343,610 km (0.051 R)
• M44: 7,511,608 km (0.113 R)
• M45: 7,705,038 km (0.085 R)
• M46: 7,778,042 km (0.066 R)
• M47: 7,912,381 km (0.058 R)
• M48: 7,998,400 km (0.081 R)
• M49: 8,171,185 km (0.098 R)
• M50: 8,395,133 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.4

Radius: 11.5

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.98 AU - 3.36 AU

Year: 3589 Days

Day: 6.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,783,808 km

• M1: 181,163 km (0.075 R)
• M2: 285,732 km (0.085 R)
• M3: 403,166 km (0.11 R)
• M4: 570,117 km (0.098 R)
• M5: 784,192 km (0.098 R)
• M6: 895,942 km (0.064 R)
• M7: 1,061,995 km (0.062 R)
• M8: 1,317,658 km (0.086 R)
• M9: 1,425,668 km (0.084 R)
• M10: 1,918,293 km (0.102 R)
• M11: 2,120,400 km (0.083 R)
• M12: 2,613,475 km (0.094 R)
• M13: 2,838,320 km (0.065 R)
• M14: 4,035,403 km (0.118 R)
• M15: 4,645,163 km (0.082 R)
• M16: 4,992,829 km (0.09 R)
• M17: 5,691,301 km (0.086 R)
• M18: 6,362,248 km (0.098 R)
• M19: 6,986,520 km (0.115 R)
• M20: 7,336,429 km (0.086 R)
• M21: 8,293,108 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.4

Radius: 12.6

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.89 AU - 4.21 AU

Year: 4253 Days

Day: 11.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 62,783,808 km

• M1: 212,579 km (0.059 R)
• M2: 402,418 km (0.11 R)
• M3: 685,457 km (0.105 R)
• M4: 882,627 km (0.085 R)
• M5: 1,043,595 km (0.067 R)
• M6: 1,145,172 km (0.07 R)
• M7: 1,826,889 km (0.103 R)
• M8: 2,224,520 km (0.089 R)
• M9: 2,373,221 km (0.099 R)
• M10: 2,823,660 km (0.091 R)
• M11: 3,183,293 km (0.118 R)
• M12: 3,300,877 km (0.119 R)
• M13: 3,471,419 km (0.118 R)
• M14: 4,000,696 km (0.058 R)
• M15: 4,386,509 km (0.114 R)
• M16: 4,977,869 km (0.065 R)
• M17: 5,154,395 km (0.103 R)
• M18: 5,533,924 km (0.064 R)
• M19: 5,757,723 km (0.086 R)
• M20: 6,532,789 km (0.118 R)
• M21: 6,987,417 km (0.106 R)
• M22: 7,185,335 km (0.039 R)
• M23: 7,385,198 km (0.111 R)
• M24: 8,087,710 km (0.12 R)
• M25: 8,435,375 km (0.108 R)
• M26: 8,552,361 km (0.063 R)
• M27: 9,459,223 km (0.102 R)
• M28: 9,825,588 km (0.026 R)
• M29: 10,346,338 km (0.112 R)
• M30: 10,876,214 km (0.092 R)
• M31: 11,080,265 km (0.118 R)
• M32: 11,804,918 km (0.084 R)
• M33: 13,436,432 km (0.117 R)
• M34: 13,655,593 km (0.084 R)
• M35: 14,069,829 km (0.059 R)
• M36: 14,656,702 km (0.094 R)
• M37: 15,194,506 km (0.084 R)
• M38: 15,394,369 km (0.086 R)
• M39: 15,594,980 km (0.11 R)
• M40: 16,027,916 km (0.095 R)
• M41: 16,202,197 km (0.12 R)
• M42: 16,406,398 km (0.099 R)
• M43: 16,670,140 km (0.11 R)
• M44: 17,290,971 km (0.106 R)
• M45: 17,380,430 km (0.071 R)
• M46: 17,499,660 km (0.034 R)
• M47: 18,738,629 km (0.094 R)
• M48: 19,229,759 km (0.12 R)
• M49: 19,756,194 km (0.096 R)
• M50: 20,068,106 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 126.6

Radius: 7.4

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 6.39 AU - 7.67 AU

Year: 11851 Days

Day: 22.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 62,783,808 km

• M1: 127,158 km (0.073 R)
• M2: 178,321 km (0.032 R)
• M3: 562,638 km (0.087 R)
• M4: 970,591 km (0.083 R)
• M5: 1,159,084 km (0.087 R)
• M6: 1,504,506 km (0.093 R)
• M7: 1,604,138 km (0.029 R)
• M8: 2,153,761 km (0.111 R)
• M9: 2,342,852 km (0.09 R)
• M10: 2,420,045 km (0.094 R)
• M11: 2,859,713 km (0.092 R)
• M12: 3,131,083 km (0.117 R)
• M13: 3,609,348 km (0.113 R)
• M14: 3,743,687 km (0.085 R)
• M15: 4,040,638 km (0.085 R)
• M16: 4,297,797 km (0.115 R)
• M17: 5,151,403 km (0.11 R)
• M18: 5,201,668 km (0.055 R)
• M19: 5,404,672 km (0.069 R)
• M20: 5,532,877 km (0.101 R)
• M21: 6,269,497 km (0.114 R)
• M22: 6,897,509 km (0.103 R)
• M23: 6,980,835 km (0.064 R)
• M24: 7,120,559 km (0.117 R)
• M25: 7,176,659 km (0.089 R)
• M26: 8,419,368 km (0.103 R)
• M27: 8,717,816 km (0.079 R)
• M28: 8,838,242 km (0.085 R)
• M29: 8,989,336 km (0.1 R)
• M30: 9,080,591 km (0.097 R)
• M31: 9,355,851 km (0.116 R)
• M32: 10,580,309 km (0.086 R)
• M33: 11,064,558 km (0.052 R)
• M34: 11,195,007 km (0.03 R)
• M35: 11,688,381 km (0.031 R)
• M36: 12,054,746 km (0.073 R)
• M37: 12,289,914 km (0.073 R)
• M38: 13,627,319 km (0.064 R)
• M39: 13,872,211 km (0.068 R)
• M40: 14,012,833 km (0.077 R)
• M41: 15,883,554 km (0.117 R)
• M42: 16,437,515 km (0.114 R)
• M43: 17,984,058 km (0.113 R)
• M44: 18,406,821 km (0.09 R)
• M45: 18,600,102 km (0.058 R)
• M46: 18,832,876 km (0.063 R)
• M47: 19,734,203 km (0.095 R)
• M48: 19,932,121 km (0.077 R)
• M49: 20,489,373 km (0.091 R)
• M50: 20,729,927 km (0.067 R)
• M51: 20,890,744 km (0.11 R)
• M52: 21,619,435 km (0.067 R)
• M53: 21,782,497 km (0.055 R)
• M54: 22,686,816 km (0.101 R)
• M55: 23,435,853 km (0.111 R)
• M56: 25,386,459 km (0.057 R)
• M57: 26,077,003 km (0.09 R)
• M58: 27,168,469 km (0.08 R)
• M59: 27,609,185 km (0.081 R)
• M60: 27,786,159 km (0.075 R)
• M61: 27,919,151 km (0.115 R)
• M62: 28,185,735 km (0.107 R)
• M63: 28,542,376 km (0.055 R)
• M64: 28,631,836 km (0.102 R)
• M65: 28,810,904 km (0.119 R)
• M66: 28,900,663 km (0.118 R)
• M67: 29,395,682 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 635.6

Radius: 7.3

Gravity: 11.93 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 7.95 AU - 8.91 AU

Year: 15562 Days

Day: 22.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 62,783,808 km

• M1: 281,543 km (0.091 R)
• M2: 384,467 km (0.101 R)
• M3: 630,405 km (0.076 R)
• M4: 689,197 km (0.115 R)
• M5: 1,082,191 km (0.107 R)
• M6: 1,178,083 km (0.095 R)
• M7: 1,562,849 km (0.066 R)
• M8: 1,727,407 km (0.12 R)
• M9: 1,868,777 km (0.045 R)
• M10: 2,440,689 km (0.115 R)
• M11: 2,503,820 km (0.104 R)
• M12: 2,632,025 km (0.119 R)
• M13: 2,729,563 km (0.081 R)
• M14: 2,894,719 km (0.075 R)
• M15: 3,879,522 km (0.093 R)
• M16: 3,953,573 km (0.117 R)
• M17: 4,407,752 km (0.077 R)
• M18: 5,038,905 km (0.073 R)
• M19: 5,242,059 km (0.03 R)
• M20: 6,210,406 km (0.049 R)
• M21: 6,428,221 km (0.086 R)
• M22: 7,461,942 km (0.036 R)
• M23: 7,554,244 km (0.059 R)
• M24: 8,450,335 km (0.072 R)
• M25: 8,935,331 km (0.116 R)
• M26: 9,329,821 km (0.057 R)
• M27: 9,679,730 km (0.113 R)
• M28: 10,650,920 km (0.092 R)
• M29: 11,760,038 km (0.077 R)
• M30: 12,629,651 km (0.065 R)
• M31: 13,972,441 km (0.092 R)
• M32: 15,184,184 km (0.084 R)
• M33: 15,242,677 km (0.119 R)
• M34: 15,477,545 km (0.102 R)
• M35: 16,070,102 km (0.119 R)
• M36: 17,706,703 km (0.1 R)
• M37: 17,768,337 km (0.098 R)
• M38: 18,139,639 km (0.054 R)
• M39: 19,268,804 km (0.086 R)
• M40: 19,777,886 km (0.1 R)
• M41: 20,226,978 km (0.056 R)
• M42: 20,355,932 km (0.069 R)
• M43: 21,594,453 km (0.086 R)
• M44: 21,858,343 km (0.076 R)
• M45: 22,189,703 km (0.106 R)
• M46: 22,723,169 km (0.074 R)
• M47: 22,857,208 km (0.117 R)
• M48: 22,991,547 km (0.111 R)
• M49: 23,396,060 km (0.102 R)
• M50: 24,417,664 km (0.115 R)
• M51: 24,554,994 km (0.064 R)
• M52: 25,453,779 km (0.114 R)
• M53: 26,715,936 km (0.063 R)
• M54: 26,857,455 km (0.105 R)
• M55: 27,783,167 km (0.111 R)
• M56: 28,791,905 km (0.108 R)
• M57: 29,227,834 km (0.103 R)
• M58: 29,373,692 km (0.08 R)
• M59: 30,844,987 km (0.112 R)
• M60: 32,415,615 km (0.047 R)
• M61: 33,400,866 km (0.119 R)
• M62: 34,858,398 km (0.083 R)
• M63: 35,090,425 km (0.098 R)
• M64: 37,438,962 km (0.118 R)
• M65: 41,055,640 km (0.107 R)
• M66: 42,533,218 km (0.11 R)
• M67: 43,777,872 km (0.082 R)
• M68: 43,861,198 km (0.054 R)
• M69: 44,111,775 km (0.092 R)
• M70: 46,048,169 km (0.066 R)
• M71: 46,557,849 km (0.096 R)
• M72: 46,813,362 km (0.079 R)
• M73: 47,582,744 km (0.047 R)
• M74: 48,788,054 km (0.111 R)
• M75: 49,394,375 km (0.105 R)
• M76: 50,003,238 km (0.051 R)
• M77: 50,614,644 km (0.081 R)
• M78: 50,965,003 km (0.065 R)
• M79: 51,668,412 km (0.105 R)
• M80: 52,286,401 km (0.116 R)
• M81: 53,529,858 km (0.08 R)
• M82: 54,065,718 km (0.083 R)
• M83: 54,603,372 km (0.098 R)
• M84: 54,962,856 km (0.094 R)
• M85: 56,317,614 km (0.064 R)
• M86: 58,600,029 km (0.106 R)
• M87: 59,706,305 km (0.117 R)
• M88: 59,798,757 km (0.106 R)
• M89: 61,098,762 km (0.045 R)
• M90: 61,845,705 km (0.111 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 251 - 11,769 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit