🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1 AU - 1.3 AU

Year: 472 Days

Day: 14.5 Hours

Environment

Temp: -23 °C

Axial Tilt: 14.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 80,400,800 km

• M1: 83,625 km (0.075 R)
• M2: 488,138 km (0.085 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.28 AU - 1.52 AU

Year: 634 Days

Day: 36.7 Hours

Environment

Temp: -47 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.28 AU - 1.86 AU

Year: 753 Days

Day: 31.3 Hours

Environment

Temp: -52 °C

Axial Tilt: 29.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,400,800 km

• M1: 629,059 km (0.104 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 3.06 AU - 4.14 AU

Year: 2615 Days

Day: 30.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 11 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.9

Radius: 14.6

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.13 AU - 4.45 AU

Year: 3402 Days

Day: 12.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 80,400,800 km

• M1: 219,909 km (0.092 R)
• M2: 350,508 km (0.061 R)
• M3: 532,718 km (0.106 R)
• M4: 655,089 km (0.055 R)
• M5: 764,146 km (0.063 R)
• M6: 949,647 km (0.069 R)
• M7: 1,048,531 km (0.076 R)
• M8: 1,186,461 km (0.073 R)
• M9: 1,418,337 km (0.094 R)
• M10: 1,540,110 km (0.1 R)
• M11: 1,977,534 km (0.09 R)
• M12: 2,107,684 km (0.056 R)
• M13: 2,316,074 km (0.094 R)
• M14: 2,415,108 km (0.098 R)
• M15: 2,578,469 km (0.104 R)
• M16: 2,834,580 km (0.112 R)
• M17: 2,932,866 km (0.029 R)
• M18: 3,217,551 km (0.095 R)
• M19: 3,329,001 km (0.112 R)
• M20: 3,608,600 km (0.105 R)
• M21: 3,987,531 km (0.094 R)
• M22: 4,294,356 km (0.106 R)
• M23: 4,503,345 km (0.087 R)
• M24: 4,686,602 km (0.113 R)
• M25: 5,170,551 km (0.032 R)
• M26: 5,464,661 km (0.029 R)
• M27: 5,608,723 km (0.102 R)
• M28: 5,847,930 km (0.099 R)
• M29: 6,101,349 km (0.077 R)
• M30: 6,315,274 km (0.085 R)
• M31: 6,499,130 km (0.073 R)
• M32: 6,883,297 km (0.117 R)
• M33: 7,027,958 km (0.101 R)
• M34: 7,354,231 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.9

Radius: 13.3

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 4.58 AU - 5.28 AU

Year: 4191 Days

Day: 6.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 80,400,800 km

• M1: 189,541 km (0.114 R)
• M2: 373,546 km (0.118 R)
• M3: 712,535 km (0.109 R)
• M4: 1,071,719 km (0.096 R)
• M5: 1,208,452 km (0.106 R)
• M6: 1,298,809 km (0.105 R)
• M7: 1,418,487 km (0.118 R)
• M8: 1,626,727 km (0.104 R)
• M9: 1,935,497 km (0.103 R)
• M10: 2,183,830 km (0.074 R)
• M11: 2,328,042 km (0.116 R)
• M12: 2,508,906 km (0.073 R)
• M13: 3,315,687 km (0.089 R)
• M14: 4,278,350 km (0.102 R)
• M15: 4,480,905 km (0.105 R)
• M16: 4,811,816 km (0.086 R)
• M17: 4,895,740 km (0.075 R)
• M18: 5,193,589 km (0.081 R)
• M19: 5,279,758 km (0.066 R)
• M20: 5,388,216 km (0.074 R)
• M21: 5,896,550 km (0.107 R)
• M22: 6,031,786 km (0.11 R)
• M23: 6,213,697 km (0.118 R)
• M24: 6,374,365 km (0.071 R)
• M25: 6,653,066 km (0.095 R)
• M26: 7,294,841 km (0.025 R)
• M27: 7,488,869 km (0.075 R)
• M28: 7,733,761 km (0.114 R)
• M29: 8,408,298 km (0.044 R)
• M30: 8,509,875 km (0.078 R)
• M31: 8,714,226 km (0.119 R)
• M32: 9,179,924 km (0.092 R)
• M33: 9,337,002 km (0.104 R)
• M34: 9,867,027 km (0.117 R)
• M35: 10,001,066 km (0.116 R)
• M36: 10,680,540 km (0.073 R)
• M37: 11,262,924 km (0.08 R)
• M38: 11,431,072 km (0.104 R)
• M39: 11,600,268 km (0.095 R)
• M40: 11,713,513 km (0.114 R)
• M41: 12,256,254 km (0.071 R)
• M42: 12,371,594 km (0.113 R)
• M43: 12,458,361 km (0.07 R)
• M44: 12,545,277 km (0.093 R)
• M45: 12,690,687 km (0.026 R)
• M46: 12,895,187 km (0.077 R)
• M47: 13,753,879 km (0.115 R)
• M48: 13,903,776 km (0.086 R)
• M49: 15,184,483 km (0.107 R)
• M50: 15,432,816 km (0.079 R)
• M51: 15,713,611 km (0.119 R)
• M52: 16,059,331 km (0.086 R)
• M53: 16,566,468 km (0.076 R)
• M54: 17,175,780 km (0.112 R)
• M55: 17,531,823 km (0.026 R)
• M56: 18,054,069 km (0.102 R)
• M57: 18,218,328 km (0.083 R)
• M58: 18,482,219 km (0.111 R)
• M59: 18,680,885 km (0.114 R)
• M60: 18,847,088 km (0.05 R)
• M61: 19,147,480 km (0.119 R)
• M62: 19,348,540 km (0.116 R)
• M63: 19,719,094 km (0.039 R)
• M64: 19,888,289 km (0.08 R)
• M65: 20,023,974 km (0.119 R)
• M66: 20,159,959 km (0.109 R)
• M67: 21,155,233 km (0.075 R)
• M68: 21,397,881 km (0.107 R)
• M69: 21,606,720 km (0.049 R)
• M70: 22,026,192 km (0.119 R)
• M71: 22,413,052 km (0.038 R)
• M72: 22,766,702 km (0.026 R)
• M73: 23,408,028 km (0.048 R)
• M74: 23,838,869 km (0.046 R)
• M75: 24,163,796 km (0.102 R)
• M76: 24,272,404 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.4

Radius: 13

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 4.55 AU - 5.56 AU

Year: 4345 Days

Day: 11.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 80,400,800 km

• M1: 162,164 km (0.08 R)
• M2: 277,354 km (0.119 R)
• M3: 448,046 km (0.083 R)
• M4: 544,387 km (0.084 R)
• M5: 698,323 km (0.104 R)
• M6: 876,344 km (0.038 R)
• M7: 971,638 km (0.105 R)
• M8: 1,062,294 km (0.1 R)
• M9: 1,190,949 km (0.113 R)
• M10: 1,279,959 km (0.094 R)
• M11: 1,465,162 km (0.116 R)
• M12: 1,811,032 km (0.078 R)
• M13: 1,935,796 km (0.095 R)
• M14: 2,260,424 km (0.066 R)
• M15: 2,361,402 km (0.086 R)
• M16: 2,567,847 km (0.113 R)
• M17: 3,097,873 km (0.095 R)
• M18: 3,388,691 km (0.058 R)
• M19: 3,648,842 km (0.103 R)
• M20: 4,106,312 km (0.085 R)
• M21: 4,272,216 km (0.034 R)
• M22: 4,841,286 km (0.049 R)
• M23: 5,194,337 km (0.106 R)
• M24: 5,314,016 km (0.051 R)
• M25: 5,755,180 km (0.116 R)
• M26: 6,019,519 km (0.103 R)
• M27: 6,129,474 km (0.103 R)
• M28: 6,399,348 km (0.046 R)
• M29: 6,543,860 km (0.114 R)
• M30: 6,722,031 km (0.039 R)
• M31: 7,066,555 km (0.061 R)
• M32: 7,349,594 km (0.098 R)
• M33: 7,619,618 km (0.096 R)
• M34: 7,772,956 km (0.101 R)
• M35: 7,961,748 km (0.107 R)
• M36: 8,117,330 km (0.108 R)
• M37: 8,204,097 km (0.116 R)
• M38: 8,714,226 km (0.12 R)
• M39: 8,838,990 km (0.073 R)
• M40: 9,198,474 km (0.112 R)
• M41: 9,802,251 km (0.025 R)
• M42: 10,193,150 km (0.056 R)
• M43: 10,305,797 km (0.116 R)
• M44: 10,399,894 km (0.099 R)
• M45: 10,837,019 km (0.105 R)
• M46: 11,125,145 km (0.114 R)
• M47: 11,221,785 km (0.106 R)
• M48: 11,377,068 km (0.083 R)
• M49: 11,728,922 km (0.064 R)
• M50: 12,144,056 km (0.09 R)
• M51: 12,423,505 km (0.095 R)
• M52: 12,968,340 km (0.104 R)
• M53: 13,090,562 km (0.076 R)
• M54: 13,562,393 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 783.3

Radius: 3

Gravity: 87.03 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 13.46 AU - 14.78 AU

Year: 20315 Days

Day: 22 Hours

Environment

Temp: -190 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 80,400,800 km

• M1: 117,734 km (0.115 R)
• M2: 184,903 km (0.103 R)
• M3: 336,146 km (0.093 R)
• M4: 413,788 km (0.092 R)
• M5: 632,649 km (0.066 R)
• M6: 778,956 km (0.057 R)
• M7: 908,957 km (0.069 R)
• M8: 1,159,832 km (0.096 R)
• M9: 1,308,084 km (0.118 R)
• M10: 1,754,334 km (0.094 R)
• M11: 1,958,984 km (0.119 R)
• M12: 2,390,424 km (0.116 R)
• M13: 2,578,618 km (0.105 R)
• M14: 2,771,600 km (0.066 R)
• M15: 3,212,315 km (0.105 R)
• M16: 3,253,454 km (0.112 R)
• M17: 3,674,423 km (0.066 R)
• M18: 4,706,050 km (0.103 R)
• M19: 5,620,542 km (0.088 R)
• M20: 6,276,977 km (0.096 R)
• M21: 6,483,871 km (0.072 R)
• M22: 7,387,592 km (0.095 R)
• M23: 7,771,011 km (0.063 R)
• M24: 7,826,362 km (0.074 R)
• M25: 7,881,713 km (0.065 R)
• M26: 7,937,364 km (0.071 R)
• M27: 8,104,764 km (0.049 R)
• M28: 8,217,112 km (0.111 R)
• M29: 9,604,482 km (0.088 R)
• M30: 10,507,605 km (0.034 R)
• M31: 14,245,008 km (0.094 R)
• M32: 14,380,544 km (0.047 R)
• M33: 14,516,529 km (0.118 R)
• M34: 14,721,178 km (0.114 R)
• M35: 14,995,691 km (0.116 R)
• M36: 15,619,364 km (0.088 R)
• M37: 18,787,997 km (0.101 R)
• M38: 18,862,347 km (0.088 R)
• M39: 19,309,944 km (0.12 R)
• M40: 20,596,934 km (0.03 R)
• M41: 20,673,528 km (0.104 R)
• M42: 21,677,629 km (0.117 R)
• M43: 23,093,722 km (0.077 R)
• M44: 23,252,895 km (0.095 R)
• M45: 24,215,707 km (0.107 R)
• M46: 25,355,343 km (0.116 R)
• M47: 26,262,953 km (0.059 R)
• M48: 26,929,711 km (0.117 R)
• M49: 28,024,917 km (0.069 R)
• M50: 28,364,953 km (0.043 R)
• M51: 29,134,784 km (0.111 R)
• M52: 30,345,778 km (0.087 R)
• M53: 31,132,962 km (0.112 R)
• M54: 32,370,885 km (0.094 R)
• M55: 35,810,888 km (0.1 R)
• M56: 37,480,251 km (0.104 R)
• M57: 37,761,046 km (0.112 R)
• M58: 38,136,387 km (0.112 R)
• M59: 38,230,334 km (0.071 R)
• M60: 39,080,200 km (0.072 R)
• M61: 39,174,895 km (0.11 R)
• M62: 40,606,098 km (0.116 R)
• M63: 43,421,231 km (0.064 R)
• M64: 44,011,544 km (0.088 R)
• M65: 46,198,366 km (0.055 R)
• M66: 48,115,313 km (0.112 R)
• M67: 49,032,348 km (0.063 R)
• M68: 49,544,272 km (0.114 R)
• M69: 49,852,294 km (0.069 R)
• M70: 50,883,621 km (0.039 R)
• M71: 51,090,814 km (0.09 R)
• M72: 52,026,250 km (0.078 R)
• M73: 52,339,358 km (0.106 R)
• M74: 53,072,238 km (0.08 R)
• M75: 53,387,441 km (0.079 R)
• M76: 55,824,241 km (0.063 R)
• M77: 56,251,791 km (0.12 R)
• M78: 57,648,587 km (0.081 R)
• M79: 59,165,509 km (0.066 R)
• M80: 59,601,437 km (0.116 R)
• M81: 60,805,401 km (0.108 R)
• M82: 61,355,323 km (0.096 R)
• M83: 62,681,957 km (0.072 R)
• M84: 62,792,958 km (0.104 R)
• M85: 63,237,414 km (0.096 R)
• M86: 66,265,424 km (0.118 R)
• M87: 66,604,712 km (0.043 R)
• M88: 68,652,856 km (0.116 R)
• M89: 68,881,741 km (0.101 R)
• M90: 69,110,776 km (0.115 R)
• M91: 70,144,946 km (0.11 R)
• M92: 70,490,666 km (0.119 R)
• M93: 72,810,630 km (0.086 R)
• M94: 73,628,631 km (0.083 R)
• M95: 76,455,881 km (0.078 R)
• M96: 76,811,775 km (0.107 R)
• M97: 78,719,148 km (0.085 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 205 - 13,339 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit