🌌 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: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.51 AU - 0.53 AU

Year: 131 Days

Day: 29.1 Hours

Environment

Temp: 295 °C

Axial Tilt: 15 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.43 AU - 0.63 AU

Year: 134 Days

Day: 20 Hours

Environment

Temp: 249 °C

Axial Tilt: 44.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 38,575,146 km

• M1: 247,435 km (0.054 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.52 AU - 0.7 AU

Year: 166 Days

Day: 39.3 Hours

Environment

Temp: 211 °C

Axial Tilt: 19.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 38,575,146 km

• M1: 37,250 km (0.076 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.07 AU - 1.47 AU

Year: 498 Days

Day: 15.9 Hours

Environment

Temp: 35 °C

Axial Tilt: 8.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 38,575,146 km

• M1: 63,579 km (0.063 R)
• M2: 667,954 km (0.102 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.71 AU - 2.05 AU

Year: 898 Days

Day: 33.9 Hours

Environment

Temp: -53 °C

Axial Tilt: 25.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,575,146 km

• M1: 750,084 km (0.103 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.97 AU - 2.69 AU

Year: 1239 Days

Day: 19.8 Hours

Environment

Temp: -60 °C

Axial Tilt: 0.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.21 AU - 3.39 AU

Year: 1632 Days

Day: 40 Hours

Environment

Temp: -81 °C

Axial Tilt: 17.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,575,146 km

• M1: 1,941,930 km (0.084 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.6

Radius: 13.3

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 6.89 AU - 9.07 AU

Year: 7851 Days

Day: 10.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 38,575,146 km

• M1: 166,652 km (0.076 R)
• M2: 325,974 km (0.117 R)
• M3: 466,446 km (0.112 R)
• M4: 934,239 km (0.032 R)
• M5: 1,190,350 km (0.084 R)
• M6: 1,450,501 km (0.066 R)
• M7: 1,567,786 km (0.098 R)
• M8: 2,004,611 km (0.04 R)
• M9: 2,526,259 km (0.073 R)
• M10: 3,399,013 km (0.077 R)
• M11: 3,557,587 km (0.103 R)
• M12: 3,909,740 km (0.075 R)
• M13: 4,132,192 km (0.026 R)
• M14: 4,273,263 km (0.072 R)
• M15: 4,502,597 km (0.102 R)
• M16: 4,677,177 km (0.12 R)
• M17: 5,033,220 km (0.093 R)
• M18: 5,584,040 km (0.048 R)
• M19: 5,677,688 km (0.115 R)
• M20: 5,866,630 km (0.116 R)
• M21: 5,961,924 km (0.106 R)
• M22: 6,218,634 km (0.067 R)
• M23: 6,380,948 km (0.117 R)
• M24: 6,544,608 km (0.061 R)
• M25: 7,145,542 km (0.09 R)
• M26: 7,349,893 km (0.085 R)
• M27: 8,044,775 km (0.115 R)
• M28: 8,472,027 km (0.119 R)
• M29: 9,237,369 km (0.039 R)
• M30: 9,647,118 km (0.072 R)
• M31: 9,873,160 km (0.061 R)
• M32: 10,139,145 km (0.062 R)
• M33: 11,068,896 km (0.079 R)
• M34: 11,784,273 km (0.12 R)
• M35: 11,904,999 km (0.058 R)
• M36: 12,596,590 km (0.109 R)
• M37: 13,301,345 km (0.116 R)
• M38: 13,595,155 km (0.107 R)
• M39: 14,489,900 km (0.061 R)
• M40: 15,315,830 km (0.098 R)
• M41: 15,845,257 km (0.117 R)
• M42: 16,291,059 km (0.079 R)
• M43: 17,104,123 km (0.114 R)
• M44: 18,348,328 km (0.05 R)
• M45: 18,816,420 km (0.112 R)
• M46: 20,196,461 km (0.088 R)
• M47: 20,874,438 km (0.088 R)
• M48: 21,216,120 km (0.117 R)
• M49: 21,658,331 km (0.103 R)
• M50: 22,501,764 km (0.073 R)
• M51: 22,902,387 km (0.075 R)
• M52: 24,734,362 km (0.07 R)
• M53: 24,940,807 km (0.079 R)
• M54: 25,355,493 km (0.109 R)
• M55: 25,929,350 km (0.08 R)
• M56: 26,139,086 km (0.082 R)
• M57: 26,244,254 km (0.109 R)
• M58: 27,089,930 km (0.116 R)
• M59: 27,998,438 km (0.039 R)
• M60: 29,134,335 km (0.11 R)
• M61: 29,407,052 km (0.102 R)
• M62: 29,680,517 km (0.068 R)
• M63: 30,175,087 km (0.093 R)
• M64: 30,561,648 km (0.084 R)
• M65: 31,563,056 km (0.099 R)
• M66: 32,124,048 km (0.091 R)
• M67: 32,349,343 km (0.044 R)
• M68: 32,575,236 km (0.084 R)
• M69: 34,746,798 km (0.086 R)
• M70: 35,094,015 km (0.051 R)
• M71: 35,850,083 km (0.089 R)
• M72: 36,142,397 km (0.105 R)
• M73: 37,201,101 km (0.08 R)
• M74: 38,210,288 km (0.111 R)
• M75: 38,568,575 km (0.063 R)
• M76: 39,228,451 km (0.118 R)
• M77: 39,348,878 km (0.099 R)
• M78: 40,255,590 km (0.067 R)

Planet 9 - Gas Giant

Semi-Major Axis: 12.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.5

Radius: 10.2

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 10.32 AU - 13.74 AU

Year: 14531 Days

Day: 5.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 38,575,146 km

• M1: 132,394 km (0.066 R)
• M2: 277,953 km (0.115 R)
• M3: 345,122 km (0.088 R)
• M4: 502,050 km (0.105 R)
• M5: 627,563 km (0.089 R)
• M6: 724,203 km (0.117 R)
• M7: 1,046,587 km (0.107 R)
• M8: 1,236,576 km (0.115 R)
• M9: 1,310,777 km (0.093 R)
• M10: 1,650,513 km (0.095 R)
• M11: 1,760,617 km (0.091 R)
• M12: 1,844,841 km (0.092 R)
• M13: 1,988,455 km (0.12 R)
• M14: 4,057,393 km (0.041 R)
• M15: 4,591,159 km (0.083 R)
• M16: 5,599,000 km (0.069 R)
• M17: 6,497,036 km (0.109 R)
• M18: 6,985,173 km (0.105 R)
• M19: 7,347,649 km (0.103 R)
• M20: 7,809,458 km (0.037 R)
• M21: 7,949,930 km (0.062 R)
• M22: 8,280,691 km (0.037 R)
• M23: 9,053,962 km (0.096 R)
• M24: 10,668,572 km (0.039 R)
• M25: 11,722,340 km (0.102 R)
• M26: 12,153,032 km (0.12 R)
• M27: 13,420,275 km (0.099 R)
• M28: 14,613,767 km (0.047 R)
• M29: 15,077,371 km (0.044 R)
• M30: 15,369,536 km (0.111 R)
• M31: 16,138,020 km (0.08 R)
• M32: 16,496,905 km (0.115 R)
• M33: 16,918,921 km (0.097 R)
• M34: 17,773,723 km (0.064 R)
• M35: 18,206,360 km (0.08 R)
• M36: 18,330,526 km (0.073 R)
• M37: 18,642,438 km (0.042 R)
• M38: 19,652,223 km (0.105 R)
• M39: 19,907,587 km (0.093 R)
• M40: 20,939,364 km (0.093 R)
• M41: 22,653,157 km (0.102 R)
• M42: 22,853,768 km (0.093 R)
• M43: 23,054,977 km (0.099 R)
• M44: 23,526,808 km (0.1 R)
• M45: 23,729,962 km (0.113 R)
• M46: 23,865,797 km (0.032 R)
• M47: 24,274,648 km (0.118 R)
• M48: 25,376,287 km (0.083 R)
• M49: 26,073,263 km (0.101 R)
• M50: 26,917,743 km (0.11 R)
• M51: 26,988,503 km (0.101 R)
• M52: 29,358,881 km (0.091 R)
• M53: 29,431,735 km (0.1 R)
• M54: 29,723,751 km (0.113 R)
• M55: 31,570,985 km (0.071 R)
• M56: 31,944,830 km (0.097 R)
• M57: 32,169,975 km (0.062 R)
• M58: 34,679,928 km (0.115 R)
• M59: 35,065,741 km (0.082 R)
• M60: 37,726,489 km (0.049 R)
• M61: 37,885,062 km (0.113 R)
• M62: 38,123,222 km (0.051 R)
• M63: 39,081,097 km (0.087 R)
• M64: 39,321,800 km (0.107 R)
• M65: 40,857,722 km (0.118 R)
• M66: 41,837,887 km (0.033 R)
• M67: 44,572,985 km (0.118 R)
• M68: 46,598,091 km (0.062 R)
• M69: 46,853,455 km (0.118 R)
• M70: 47,023,847 km (0.083 R)
• M71: 47,450,799 km (0.105 R)
• M72: 49,171,623 km (0.08 R)
• M73: 49,258,091 km (0.117 R)
• M74: 50,039,590 km (0.104 R)
• M75: 52,320,060 km (0.063 R)
• M76: 53,028,556 km (0.03 R)
• M77: 53,384,000 km (0.058 R)
• M78: 53,740,342 km (0.111 R)
• M79: 54,455,121 km (0.09 R)
• M80: 56,074,967 km (0.079 R)
• M81: 57,619,415 km (0.052 R)
• M82: 57,802,074 km (0.105 R)
• M83: 57,984,883 km (0.095 R)
• M84: 60,286,147 km (0.105 R)
• M85: 60,657,000 km (0.091 R)
• M86: 61,308,050 km (0.106 R)
• M87: 61,681,147 km (0.104 R)
• M88: 62,429,585 km (0.114 R)

Planet 10 - Ice Giant

Semi-Major Axis: 14.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 92.3

Radius: 6.1

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 13.81 AU - 15.63 AU

Year: 19668 Days

Day: 21.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 38,575,146 km

• M1: 77,043 km (0.098 R)
• M2: 1,046,886 km (0.106 R)
• M3: 1,150,108 km (0.083 R)
• M4: 1,696,290 km (0.097 R)
• M5: 1,777,372 km (0.027 R)
• M6: 1,901,239 km (0.116 R)
• M7: 2,470,908 km (0.042 R)
• M8: 2,609,436 km (0.038 R)
• M9: 2,726,870 km (0.081 R)
• M10: 3,040,427 km (0.104 R)
• M11: 3,416,516 km (0.064 R)
• M12: 4,075,644 km (0.03 R)
• M13: 4,350,156 km (0.085 R)
• M14: 4,659,076 km (0.094 R)
• M15: 5,477,227 km (0.081 R)
• M16: 5,597,653 km (0.102 R)
• M17: 6,849,937 km (0.077 R)
• M18: 7,341,067 km (0.106 R)
• M19: 7,540,630 km (0.091 R)
• M20: 7,843,566 km (0.116 R)
• M21: 7,911,334 km (0.107 R)
• M22: 8,219,057 km (0.101 R)
• M23: 9,237,070 km (0.116 R)
• M24: 9,344,631 km (0.107 R)
• M25: 10,368,479 km (0.118 R)
• M26: 11,775,148 km (0.12 R)
• M27: 11,814,043 km (0.093 R)
• M28: 14,512,190 km (0.101 R)
• M29: 14,804,654 km (0.119 R)
• M30: 14,846,691 km (0.115 R)
• M31: 15,310,594 km (0.09 R)
• M32: 15,353,080 km (0.096 R)
• M33: 15,480,537 km (0.083 R)
• M34: 16,643,661 km (0.085 R)
• M35: 16,730,876 km (0.038 R)
• M36: 16,949,738 km (0.097 R)
• M37: 17,257,760 km (0.115 R)
• M38: 17,612,008 km (0.113 R)
• M39: 19,511,003 km (0.105 R)
• M40: 20,111,788 km (0.111 R)
• M41: 21,000,848 km (0.085 R)
• M42: 22,575,067 km (0.077 R)
• M43: 26,240,962 km (0.049 R)
• M44: 27,934,261 km (0.099 R)
• M45: 30,726,655 km (0.095 R)
• M46: 31,263,561 km (0.106 R)
• M47: 31,857,465 km (0.089 R)
• M48: 32,183,140 km (0.062 R)
• M49: 32,509,861 km (0.105 R)
• M50: 33,001,889 km (0.065 R)
• M51: 33,661,914 km (0.091 R)
• M52: 33,717,116 km (0.104 R)
• M53: 34,215,277 km (0.117 R)
• M54: 34,381,779 km (0.041 R)
• M55: 34,604,381 km (0.07 R)
• M56: 34,827,282 km (0.112 R)
• M57: 36,401,650 km (0.066 R)
• M58: 38,171,542 km (0.093 R)
• M59: 38,517,413 km (0.05 R)

Kuiper Belt

Range: 31.5 - 57.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 10,612 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit