🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.4 AU - 0.62 AU

Year: 130 Days

Day: 25.9 Hours

Environment

Temp: 184 °C

Axial Tilt: 20.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.37

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.08 AU - 1.12 AU

Year: 413 Days

Day: 47.8 Hours

Environment

Temp: 22 °C

Axial Tilt: 14 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.99 AU - 1.35 AU

Year: 453 Days

Day: 41.2 Hours

Environment

Temp: 17 °C

Axial Tilt: 43.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 82,055,981 km

• M1: 480,957 km (0.106 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.73 AU - 2.53 AU

Year: 1113 Days

Day: 28.4 Hours

Environment

Temp: -56 °C

Axial Tilt: 38.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 82,055,981 km

• M1: 399,576 km (0.105 R)
• M2: 560,094 km (0.079 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 4.22 AU - 4.86 AU

Year: 3465 Days

Day: 26.9 Hours

Environment

Temp: -127 °C

Axial Tilt: 28.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 82,055,981 km

• M1: 305,628 km (0.071 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 4.09 AU - 5.07 AU

Year: 3511 Days

Day: 42.3 Hours

Environment

Temp: -133 °C

Axial Tilt: 14.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 82,055,981 km

• M1: 48,919 km (0.086 R)

Asteroid Belt

Center: 6.75 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.7

Radius: 12.7

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 7.97 AU - 9.87 AU

Year: 9542 Days

Day: 8.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 82,055,981 km

• M1: 187,895 km (0.11 R)
• M2: 558,000 km (0.106 R)
• M3: 640,728 km (0.049 R)
• M4: 728,242 km (0.109 R)
• M5: 1,018,761 km (0.119 R)
• M6: 1,233,434 km (0.087 R)
• M7: 1,424,172 km (0.095 R)
• M8: 1,503,309 km (0.119 R)
• M9: 1,771,239 km (0.048 R)
• M10: 2,077,316 km (0.103 R)
• M11: 2,236,787 km (0.1 R)
• M12: 2,544,211 km (0.06 R)
• M13: 2,641,599 km (0.098 R)
• M14: 3,121,659 km (0.096 R)
• M15: 3,934,873 km (0.061 R)
• M16: 4,220,156 km (0.094 R)
• M17: 4,394,587 km (0.092 R)
• M18: 4,541,941 km (0.05 R)
• M19: 4,660,871 km (0.11 R)
• M20: 4,963,059 km (0.069 R)
• M21: 5,586,732 km (0.075 R)
• M22: 6,467,714 km (0.119 R)
• M23: 6,635,713 km (0.068 R)
• M24: 7,462,091 km (0.078 R)
• M25: 8,103,268 km (0.111 R)
• M26: 8,540,542 km (0.104 R)
• M27: 8,651,095 km (0.113 R)
• M28: 8,799,197 km (0.05 R)
• M29: 9,667,314 km (0.078 R)
• M30: 11,000,380 km (0.111 R)
• M31: 11,525,319 km (0.03 R)
• M32: 12,390,444 km (0.092 R)
• M33: 13,404,867 km (0.119 R)
• M34: 13,662,624 km (0.085 R)
• M35: 13,748,942 km (0.092 R)
• M36: 13,922,027 km (0.112 R)
• M37: 14,183,075 km (0.095 R)
• M38: 15,288,304 km (0.11 R)
• M39: 15,422,792 km (0.112 R)
• M40: 15,692,966 km (0.107 R)
• M41: 15,919,308 km (0.09 R)
• M42: 16,238,101 km (0.119 R)
• M43: 17,721,813 km (0.093 R)
• M44: 17,910,306 km (0.097 R)
• M45: 18,575,418 km (0.088 R)
• M46: 18,814,924 km (0.053 R)
• M47: 19,248,608 km (0.12 R)
• M48: 19,588,196 km (0.057 R)
• M49: 19,734,353 km (0.11 R)
• M50: 21,115,889 km (0.109 R)
• M51: 21,717,572 km (0.087 R)
• M52: 22,172,499 km (0.064 R)
• M53: 22,477,529 km (0.07 R)
• M54: 23,400,997 km (0.108 R)
• M55: 23,867,443 km (0.101 R)
• M56: 24,127,893 km (0.108 R)
• M57: 24,494,108 km (0.103 R)
• M58: 24,914,927 km (0.085 R)
• M59: 25,391,097 km (0.062 R)
• M60: 26,352,712 km (0.069 R)
• M61: 26,567,983 km (0.059 R)
• M62: 28,311,397 km (0.072 R)
• M63: 29,754,867 km (0.106 R)
• M64: 30,260,208 km (0.112 R)
• M65: 30,655,147 km (0.07 R)
• M66: 30,938,336 km (0.087 R)
• M67: 32,540,080 km (0.066 R)
• M68: 32,771,059 km (0.109 R)
• M69: 33,234,813 km (0.049 R)
• M70: 33,759,003 km (0.119 R)
• M71: 34,403,471 km (0.087 R)
• M72: 35,348,182 km (0.089 R)
• M73: 35,883,293 km (0.113 R)
• M74: 36,002,672 km (0.04 R)
• M75: 36,122,051 km (0.102 R)
• M76: 37,021,883 km (0.056 R)
• M77: 37,202,746 km (0.035 R)
• M78: 37,565,372 km (0.1 R)
• M79: 38,111,404 km (0.113 R)
• M80: 38,476,872 km (0.113 R)
• M81: 39,642,089 km (0.098 R)
• M82: 40,756,593 km (0.051 R)
• M83: 40,881,059 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 337.4

Radius: 5.4

Gravity: 11.57 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 17.1 AU - 22.8 AU

Year: 31914 Days

Day: 19.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 82,055,981 km

• M1: 87,964 km (0.046 R)
• M2: 188,643 km (0.078 R)
• M3: 558,598 km (0.072 R)
• M4: 674,537 km (0.108 R)
• M5: 723,007 km (0.063 R)
• M6: 1,124,677 km (0.041 R)
• M7: 1,425,817 km (0.062 R)
• M8: 1,489,097 km (0.105 R)
• M9: 1,785,002 km (0.118 R)
• M10: 1,853,218 km (0.07 R)
• M11: 1,957,189 km (0.102 R)
• M12: 2,392,519 km (0.062 R)
• M13: 2,698,895 km (0.039 R)
• M14: 3,518,093 km (0.101 R)
• M15: 4,454,426 km (0.069 R)
• M16: 4,925,809 km (0.098 R)
• M17: 5,070,470 km (0.071 R)
• M18: 6,018,023 km (0.112 R)
• M19: 6,644,090 km (0.1 R)
• M20: 6,750,454 km (0.067 R)
• M21: 6,857,417 km (0.042 R)
• M22: 7,677,213 km (0.109 R)
• M23: 7,901,012 km (0.108 R)
• M24: 8,240,748 km (0.052 R)
• M25: 8,759,255 km (0.114 R)
• M26: 9,526,841 km (0.111 R)
• M27: 10,315,820 km (0.043 R)
• M28: 10,500,723 km (0.054 R)
• M29: 12,279,891 km (0.041 R)
• M30: 12,345,115 km (0.096 R)
• M31: 13,741,911 km (0.041 R)
• M32: 14,013,581 km (0.108 R)
• M33: 14,081,797 km (0.101 R)
• M34: 14,218,530 km (0.103 R)
• M35: 15,257,936 km (0.038 R)
• M36: 15,539,180 km (0.107 R)
• M37: 17,482,456 km (0.06 R)
• M38: 18,072,769 km (0.115 R)
• M39: 19,500,681 km (0.069 R)
• M40: 20,189,729 km (0.104 R)
• M41: 21,277,305 km (0.092 R)
• M42: 21,355,694 km (0.062 R)
• M43: 21,986,399 km (0.119 R)
• M44: 22,943,975 km (0.108 R)
• M45: 25,230,728 km (0.096 R)
• M46: 25,396,782 km (0.095 R)
• M47: 26,232,735 km (0.069 R)
• M48: 27,931,418 km (0.068 R)
• M49: 28,447,980 km (0.087 R)
• M50: 30,280,554 km (0.091 R)
• M51: 32,150,976 km (0.12 R)
• M52: 32,963,891 km (0.072 R)
• M53: 33,145,503 km (0.027 R)
• M54: 34,241,905 km (0.119 R)
• M55: 34,610,066 km (0.077 R)
• M56: 34,702,368 km (0.098 R)
• M57: 34,886,971 km (0.085 R)
• M58: 35,443,176 km (0.058 R)
• M59: 35,536,077 km (0.116 R)
• M60: 35,629,126 km (0.083 R)
• M61: 36,470,315 km (0.119 R)
• M62: 37,128,995 km (0.069 R)
• M63: 39,128,669 km (0.063 R)
• M64: 39,609,926 km (0.109 R)
• M65: 41,065,363 km (0.112 R)
• M66: 41,947,093 km (0.091 R)
• M67: 42,242,400 km (0.054 R)
• M68: 43,033,174 km (0.026 R)
• M69: 45,535,647 km (0.119 R)
• M70: 47,161,776 km (0.04 R)
• M71: 47,264,101 km (0.101 R)
• M72: 48,187,868 km (0.057 R)
• M73: 48,600,309 km (0.115 R)
• M74: 52,788,750 km (0.112 R)
• M75: 53,214,057 km (0.051 R)
• M76: 54,496,260 km (0.106 R)
• M77: 54,603,672 km (0.112 R)
• M78: 54,711,083 km (0.036 R)
• M79: 60,947,220 km (0.103 R)
• M80: 61,281,721 km (0.031 R)
• M81: 66,944,000 km (0.109 R)
• M82: 67,059,041 km (0.034 R)
• M83: 68,907,023 km (0.106 R)
• M84: 70,187,132 km (0.057 R)
• M85: 71,005,881 km (0.117 R)
• M86: 71,240,451 km (0.09 R)
• M87: 73,362,497 km (0.043 R)
• M88: 73,480,978 km (0.118 R)
• M89: 74,312,293 km (0.041 R)
• M90: 75,146,750 km (0.084 R)
• M91: 76,945,366 km (0.104 R)
• M92: 78,515,395 km (0.078 R)
• M93: 81,810,139 km (0.085 R)

Kuiper Belt

Range: 30.6 - 55.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 167 - 19,699 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit