🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.46 AU - 0.64 AU

Year: 144 Days

Day: 16.1 Hours

Environment

Temp: 191 °C

Axial Tilt: 21.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.9 AU - 0.94 AU

Year: 312 Days

Day: 47.4 Hours

Environment

Temp: 85 °C

Axial Tilt: 38.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.38 AU - 1.7 AU

Year: 675 Days

Day: 13.8 Hours

Environment

Temp: -20 °C

Axial Tilt: 34.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 62,401,262 km

• M1: 207,642 km (0.093 R)
• M2: 278,850 km (0.1 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.13 AU - 3.17 AU

Year: 1523 Days

Day: 41.3 Hours

Environment

Temp: -74 °C

Axial Tilt: 46.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 62,401,262 km

• M1: 1,038,209 km (0.061 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 3.86 AU - 3.9 AU

Year: 2699 Days

Day: 42.9 Hours

Environment

Temp: -108 °C

Axial Tilt: 47.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 3.54 AU - 4.9 AU

Year: 3061 Days

Day: 32.9 Hours

Environment

Temp: -109 °C

Axial Tilt: 2.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 62,401,262 km

• M1: 859,141 km (0.05 R)
• M2: 1,437,935 km (0.048 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.9

Radius: 14

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 4.39 AU - 6.81 AU

Year: 4679 Days

Day: 8 Hours

Environment

Temp: -138 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 62,401,262 km

• M1: 183,706 km (0.082 R)
• M2: 423,512 km (0.108 R)
• M3: 632,350 km (0.059 R)
• M4: 1,297,762 km (0.112 R)
• M5: 1,500,018 km (0.079 R)
• M6: 1,590,076 km (0.102 R)
• M7: 1,775,876 km (0.11 R)
• M8: 1,920,238 km (0.11 R)
• M9: 2,085,394 km (0.11 R)
• M10: 2,307,547 km (0.086 R)
• M11: 2,412,714 km (0.103 R)
• M12: 2,664,637 km (0.099 R)
• M13: 2,831,289 km (0.087 R)
• M14: 3,039,679 km (0.119 R)
• M15: 3,194,513 km (0.1 R)
• M16: 3,716,310 km (0.036 R)
• M17: 4,072,054 km (0.114 R)
• M18: 4,482,999 km (0.119 R)
• M19: 4,615,543 km (0.097 R)
• M20: 4,952,737 km (0.064 R)
• M21: 5,251,633 km (0.113 R)
• M22: 5,344,833 km (0.089 R)
• M23: 5,627,722 km (0.115 R)
• M24: 6,356,414 km (0.102 R)
• M25: 6,530,845 km (0.097 R)
• M26: 6,732,054 km (0.07 R)
• M27: 6,909,776 km (0.026 R)
• M28: 7,795,695 km (0.119 R)
• M29: 8,116,881 km (0.041 R)
• M30: 8,252,118 km (0.095 R)
• M31: 8,497,309 km (0.054 R)
• M32: 9,303,791 km (0.093 R)
• M33: 9,559,005 km (0.045 R)
• M34: 9,845,485 km (0.091 R)
• M35: 10,105,635 km (0.051 R)
• M36: 10,222,023 km (0.055 R)
• M37: 10,721,679 km (0.097 R)
• M38: 11,019,379 km (0.102 R)
• M39: 11,109,138 km (0.1 R)
• M40: 11,562,120 km (0.104 R)
• M41: 11,928,785 km (0.068 R)
• M42: 12,237,255 km (0.101 R)
• M43: 13,529,631 km (0.092 R)
• M44: 14,078,207 km (0.088 R)
• M45: 14,338,956 km (0.086 R)
• M46: 14,568,439 km (0.095 R)
• M47: 15,064,206 km (0.082 R)
• M48: 15,498,339 km (0.046 R)
• M49: 16,687,642 km (0.077 R)
• M50: 17,067,471 km (0.066 R)
• M51: 17,800,651 km (0.115 R)
• M52: 17,976,727 km (0.07 R)
• M53: 18,188,857 km (0.111 R)
• M54: 18,330,676 km (0.078 R)
• M55: 18,437,339 km (0.117 R)
• M56: 18,901,841 km (0.106 R)
• M57: 19,081,508 km (0.06 R)
• M58: 19,915,217 km (0.113 R)
• M59: 20,061,523 km (0.113 R)
• M60: 20,208,129 km (0.032 R)
• M61: 20,686,992 km (0.076 R)
• M62: 21,020,745 km (0.047 R)
• M63: 21,655,937 km (0.11 R)
• M64: 22,639,843 km (0.12 R)
• M65: 23,599,513 km (0.108 R)
• M66: 23,754,347 km (0.075 R)
• M67: 24,064,912 km (0.118 R)
• M68: 24,220,793 km (0.112 R)
• M69: 25,202,155 km (0.069 R)
• M70: 25,439,716 km (0.094 R)
• M71: 25,876,991 km (0.056 R)
• M72: 26,920,586 km (0.113 R)
• M73: 27,041,760 km (0.045 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.7

Radius: 14.2

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 5.41 AU - 6.1 AU

Year: 4869 Days

Day: 11.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 62,401,262 km

• M1: 302,936 km (0.111 R)
• M2: 491,728 km (0.039 R)
• M3: 693,835 km (0.093 R)
• M4: 859,141 km (0.076 R)
• M5: 1,024,745 km (0.083 R)
• M6: 1,126,771 km (0.102 R)
• M7: 1,438,683 km (0.09 R)
• M8: 1,958,685 km (0.08 R)
• M9: 2,107,086 km (0.114 R)
• M10: 2,337,168 km (0.117 R)
• M11: 2,616,168 km (0.098 R)
• M12: 2,739,137 km (0.071 R)
• M13: 2,864,051 km (0.08 R)
• M14: 3,033,845 km (0.098 R)
• M15: 3,383,455 km (0.101 R)
• M16: 3,608,749 km (0.096 R)
• M17: 4,098,084 km (0.086 R)
• M18: 4,509,777 km (0.066 R)
• M19: 4,758,259 km (0.093 R)
• M20: 5,347,077 km (0.12 R)
• M21: 5,824,144 km (0.115 R)
• M22: 6,067,989 km (0.113 R)
• M23: 6,232,397 km (0.093 R)
• M24: 6,706,323 km (0.092 R)
• M25: 7,424,542 km (0.104 R)
• M26: 7,867,352 km (0.061 R)
• M27: 7,986,881 km (0.116 R)
• M28: 8,076,939 km (0.081 R)
• M29: 8,624,467 km (0.111 R)
• M30: 8,933,835 km (0.071 R)
• M31: 9,184,112 km (0.099 R)
• M32: 10,110,422 km (0.04 R)
• M33: 10,404,083 km (0.109 R)
• M34: 11,066,652 km (0.106 R)
• M35: 12,642,067 km (0.032 R)
• M36: 13,029,227 km (0.115 R)
• M37: 13,563,590 km (0.084 R)
• M38: 14,214,191 km (0.115 R)
• M39: 15,283,666 km (0.099 R)
• M40: 15,809,353 km (0.075 R)
• M41: 18,049,881 km (0.07 R)
• M42: 18,446,165 km (0.109 R)
• M43: 18,725,315 km (0.108 R)
• M44: 19,086,145 km (0.064 R)
• M45: 19,814,986 km (0.085 R)
• M46: 21,049,916 km (0.027 R)
• M47: 21,258,157 km (0.096 R)
• M48: 21,634,694 km (0.109 R)
• M49: 21,887,066 km (0.094 R)
• M50: 22,140,335 km (0.08 R)
• M51: 22,267,344 km (0.072 R)
• M52: 22,863,192 km (0.092 R)
• M53: 23,507,361 km (0.096 R)
• M54: 25,564,631 km (0.082 R)
• M55: 25,697,922 km (0.093 R)
• M56: 25,920,524 km (0.065 R)
• M57: 26,099,144 km (0.091 R)
• M58: 26,457,580 km (0.1 R)
• M59: 26,772,484 km (0.112 R)
• M60: 26,952,899 km (0.105 R)
• M61: 27,043,405 km (0.12 R)
• M62: 27,269,897 km (0.115 R)
• M63: 27,360,553 km (0.092 R)
• M64: 27,724,674 km (0.102 R)
• M65: 28,044,514 km (0.067 R)
• M66: 28,227,921 km (0.025 R)
• M67: 29,475,867 km (0.085 R)
• M68: 29,755,615 km (0.112 R)
• M69: 29,989,436 km (0.102 R)
• M70: 30,177,032 km (0.119 R)
• M71: 30,930,856 km (0.07 R)
• M72: 31,167,819 km (0.104 R)
• M73: 31,357,658 km (0.114 R)
• M74: 31,786,406 km (0.084 R)
• M75: 31,881,999 km (0.09 R)
• M76: 31,977,592 km (0.096 R)

Planet 9 - Gas Giant

Semi-Major Axis: 12.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.3

Radius: 12

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 12.45 AU - 13.25 AU

Year: 16265 Days

Day: 5.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 62,401,262 km

• M1: 312,211 km (0.108 R)
• M2: 522,396 km (0.112 R)
• M3: 610,359 km (0.101 R)
• M4: 783,594 km (0.071 R)
• M5: 866,172 km (0.103 R)
• M6: 974,181 km (0.065 R)
• M7: 1,087,128 km (0.051 R)
• M8: 1,253,032 km (0.104 R)
• M9: 2,029,894 km (0.105 R)
• M10: 2,237,087 km (0.095 R)
• M11: 2,672,566 km (0.12 R)
• M12: 3,236,999 km (0.096 R)
• M13: 3,657,818 km (0.114 R)
• M14: 4,397,729 km (0.068 R)
• M15: 5,142,876 km (0.071 R)
• M16: 5,717,182 km (0.086 R)
• M17: 5,969,703 km (0.119 R)
• M18: 6,097,310 km (0.104 R)
• M19: 6,926,531 km (0.055 R)
• M20: 7,744,682 km (0.089 R)
• M21: 8,071,254 km (0.099 R)
• M22: 8,689,542 km (0.055 R)
• M23: 9,720,720 km (0.089 R)
• M24: 10,123,587 km (0.116 R)
• M25: 10,429,515 km (0.08 R)
• M26: 10,635,062 km (0.107 R)
• M27: 11,259,933 km (0.087 R)
• M28: 11,418,057 km (0.098 R)
• M29: 13,764,051 km (0.11 R)
• M30: 14,387,575 km (0.096 R)
• M31: 14,731,650 km (0.114 R)
• M32: 16,194,119 km (0.114 R)
• M33: 19,003,866 km (0.079 R)
• M34: 20,916,176 km (0.092 R)
• M35: 21,436,328 km (0.115 R)
• M36: 21,763,648 km (0.105 R)
• M37: 22,026,790 km (0.095 R)
• M38: 22,822,202 km (0.081 R)
• M39: 23,290,593 km (0.089 R)
• M40: 25,058,092 km (0.041 R)
• M41: 26,027,636 km (0.104 R)
• M42: 26,167,061 km (0.079 R)
• M43: 26,587,132 km (0.084 R)
• M44: 27,433,856 km (0.049 R)
• M45: 28,217,749 km (0.108 R)
• M46: 28,504,677 km (0.102 R)
• M47: 29,153,783 km (0.028 R)
• M48: 29,298,593 km (0.115 R)
• M49: 30,613,559 km (0.063 R)
• M50: 31,352,273 km (0.109 R)
• M51: 31,575,174 km (0.045 R)
• M52: 31,873,023 km (0.117 R)
• M53: 32,022,322 km (0.113 R)
• M54: 33,149,392 km (0.107 R)
• M55: 33,831,858 km (0.09 R)
• M56: 34,825,786 km (0.107 R)
• M57: 34,902,679 km (0.087 R)
• M58: 35,287,894 km (0.098 R)
• M59: 35,365,086 km (0.06 R)
• M60: 35,519,621 km (0.082 R)
• M61: 36,140,153 km (0.084 R)
• M62: 40,502,277 km (0.097 R)
• M63: 40,663,992 km (0.102 R)
• M64: 41,557,391 km (0.102 R)
• M65: 42,786,038 km (0.109 R)
• M66: 43,115,752 km (0.115 R)
• M67: 43,860,600 km (0.052 R)
• M68: 44,193,006 km (0.111 R)
• M69: 44,526,161 km (0.077 R)
• M70: 45,783,381 km (0.071 R)
• M71: 46,458,516 km (0.04 R)
• M72: 47,052,121 km (0.097 R)
• M73: 47,477,577 km (0.056 R)
• M74: 47,648,119 km (0.078 R)
• M75: 49,019,781 km (0.029 R)
• M76: 49,192,268 km (0.088 R)
• M77: 49,970,476 km (0.083 R)
• M78: 50,144,009 km (0.063 R)
• M79: 50,491,525 km (0.061 R)
• M80: 50,752,723 km (0.097 R)
• M81: 50,839,939 km (0.083 R)
• M82: 50,927,154 km (0.056 R)
• M83: 52,858,612 km (0.12 R)
• M84: 53,389,535 km (0.089 R)
• M85: 54,011,264 km (0.077 R)
• M86: 55,171,994 km (0.1 R)
• M87: 55,890,512 km (0.116 R)
• M88: 56,160,686 km (0.081 R)
• M89: 56,341,101 km (0.067 R)
• M90: 56,431,458 km (0.116 R)
• M91: 57,609,242 km (0.115 R)
• M92: 61,841,815 km (0.106 R)

Kuiper Belt

Range: 31.1 - 56.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 315 - 19,546 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit