🌌 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: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.4 AU - 0.64 AU

Year: 143 Days

Day: 37.7 Hours

Environment

Temp: 173 °C

Axial Tilt: 0.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 76,376,557 km

• M1: 311,014 km (0.087 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.44 AU - 1.5 AU

Year: 679 Days

Day: 21.9 Hours

Environment

Temp: -49 °C

Axial Tilt: 18.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.43 AU - 1.53 AU

Year: 686 Days

Day: 14.4 Hours

Environment

Temp: -40 °C

Axial Tilt: 23.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.59 AU - 1.71 AU

Year: 807 Days

Day: 22.2 Hours

Environment

Temp: -69 °C

Axial Tilt: 16 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 76,376,557 km

• M1: 372,200 km (0.094 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.66 AU - 2.12 AU

Year: 989 Days

Day: 47.4 Hours

Environment

Temp: -78 °C

Axial Tilt: 36.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.84 AU - 2.12 AU

Year: 1061 Days

Day: 34 Hours

Environment

Temp: -87 °C

Axial Tilt: 23.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584

Radius: 13.3

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 5.99 AU - 7.19 AU

Year: 6442 Days

Day: 12.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 76,376,557 km

• M1: 185,202 km (0.113 R)
• M2: 275,559 km (0.063 R)
• M3: 386,262 km (0.084 R)
• M4: 661,223 km (0.093 R)
• M5: 830,867 km (0.089 R)
• M6: 972,087 km (0.079 R)
• M7: 1,153,250 km (0.109 R)
• M8: 1,728,454 km (0.097 R)
• M9: 2,720,288 km (0.069 R)
• M10: 2,915,363 km (0.09 R)
• M11: 3,296,688 km (0.071 R)
• M12: 3,694,170 km (0.074 R)
• M13: 3,814,147 km (0.114 R)
• M14: 3,910,937 km (0.062 R)
• M15: 4,560,790 km (0.119 R)
• M16: 4,977,570 km (0.109 R)
• M17: 5,163,819 km (0.073 R)
• M18: 5,271,380 km (0.096 R)
• M19: 6,016,527 km (0.099 R)
• M20: 6,101,349 km (0.094 R)
• M21: 6,272,340 km (0.104 R)
• M22: 6,589,936 km (0.12 R)
• M23: 6,853,677 km (0.051 R)
• M24: 6,942,388 km (0.103 R)
• M25: 7,150,928 km (0.086 R)
• M26: 7,391,780 km (0.069 R)
• M27: 7,727,478 km (0.089 R)
• M28: 7,850,747 km (0.063 R)
• M29: 8,068,112 km (0.107 R)
• M30: 8,925,159 km (0.116 R)
• M31: 9,578,752 km (0.112 R)
• M32: 9,711,295 km (0.065 R)
• M33: 10,417,397 km (0.066 R)
• M34: 11,279,530 km (0.103 R)
• M35: 11,843,514 km (0.078 R)
• M36: 13,367,168 km (0.027 R)
• M37: 13,478,319 km (0.037 R)
• M38: 14,683,629 km (0.104 R)
• M39: 15,028,752 km (0.119 R)
• M40: 15,183,137 km (0.072 R)
• M41: 15,571,044 km (0.07 R)
• M42: 16,635,134 km (0.063 R)
• M43: 16,754,812 km (0.055 R)
• M44: 16,914,882 km (0.108 R)
• M45: 17,155,884 km (0.06 R)
• M46: 17,276,759 km (0.103 R)
• M47: 17,804,091 km (0.112 R)
• M48: 18,049,282 km (0.036 R)
• M49: 18,254,381 km (0.079 R)
• M50: 19,041,116 km (0.112 R)
• M51: 19,375,767 km (0.046 R)
• M52: 19,501,728 km (0.088 R)
• M53: 20,391,087 km (0.063 R)
• M54: 20,519,293 km (0.086 R)
• M55: 20,905,405 km (0.077 R)
• M56: 22,209,449 km (0.068 R)
• M57: 23,674,312 km (0.093 R)
• M58: 24,759,345 km (0.098 R)
• M59: 25,124,514 km (0.114 R)
• M60: 26,417,039 km (0.12 R)
• M61: 26,603,438 km (0.113 R)
• M62: 26,743,462 km (0.036 R)
• M63: 28,300,626 km (0.113 R)
• M64: 29,066,118 km (0.053 R)
• M65: 29,210,480 km (0.083 R)
• M66: 29,596,443 km (0.118 R)
• M67: 30,324,685 km (0.117 R)
• M68: 31,502,170 km (0.066 R)
• M69: 31,798,972 km (0.083 R)
• M70: 32,196,005 km (0.104 R)
• M71: 32,644,649 km (0.088 R)
• M72: 33,095,387 km (0.026 R)
• M73: 33,195,917 km (0.078 R)
• M74: 33,346,712 km (0.045 R)
• M75: 33,699,613 km (0.12 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606

Radius: 14.7

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 7.19 AU - 10.93 AU

Year: 10385 Days

Day: 13.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 76,376,557 km

• M1: 184,305 km (0.075 R)
• M2: 296,353 km (0.064 R)
• M3: 439,369 km (0.096 R)
• M4: 616,642 km (0.087 R)
• M5: 1,034,768 km (0.093 R)
• M6: 1,129,015 km (0.098 R)
• M7: 1,266,346 km (0.114 R)
• M8: 1,473,090 km (0.074 R)
• M9: 1,714,092 km (0.085 R)
• M10: 1,992,045 km (0.042 R)
• M11: 2,161,240 km (0.04 R)
• M12: 2,751,254 km (0.049 R)
• M13: 2,913,419 km (0.081 R)
• M14: 3,419,508 km (0.062 R)
• M15: 3,953,423 km (0.093 R)
• M16: 5,266,443 km (0.119 R)
• M17: 5,401,381 km (0.07 R)
• M18: 5,778,517 km (0.107 R)
• M19: 5,987,954 km (0.1 R)
• M20: 6,093,570 km (0.087 R)
• M21: 6,777,232 km (0.088 R)
• M22: 7,409,732 km (0.117 R)
• M23: 7,523,427 km (0.102 R)
• M24: 7,714,014 km (0.056 R)
• M25: 8,771,372 km (0.088 R)
• M26: 9,133,848 km (0.095 R)
• M27: 9,460,420 km (0.073 R)
• M28: 10,718,687 km (0.062 R)
• M29: 11,674,917 km (0.068 R)
• M30: 11,984,884 km (0.096 R)
• M31: 12,342,572 km (0.073 R)
• M32: 13,298,054 km (0.1 R)
• M33: 14,042,004 km (0.101 R)
• M34: 14,656,552 km (0.052 R)
• M35: 14,847,439 km (0.118 R)
• M36: 15,135,265 km (0.028 R)
• M37: 15,570,595 km (0.09 R)
• M38: 16,157,318 km (0.112 R)
• M39: 16,305,121 km (0.078 R)
• M40: 16,950,935 km (0.095 R)
• M41: 19,094,373 km (0.053 R)
• M42: 19,355,272 km (0.111 R)
• M43: 20,410,535 km (0.097 R)
• M44: 20,891,492 km (0.109 R)
• M45: 21,106,464 km (0.117 R)
• M46: 21,322,185 km (0.095 R)
• M47: 21,538,653 km (0.086 R)
• M48: 21,755,719 km (0.106 R)
• M49: 21,973,683 km (0.076 R)
• M50: 22,356,803 km (0.107 R)
• M51: 22,686,816 km (0.041 R)
• M52: 25,271,269 km (0.07 R)
• M53: 26,772,783 km (0.067 R)
• M54: 27,770,302 km (0.115 R)
• M55: 29,019,145 km (0.029 R)
• M56: 30,651,706 km (0.114 R)
• M57: 30,834,964 km (0.072 R)
• M58: 31,448,464 km (0.088 R)
• M59: 32,003,921 km (0.11 R)
• M60: 32,625,052 km (0.089 R)
• M61: 34,893,853 km (0.099 R)
• M62: 35,276,823 km (0.075 R)
• M63: 35,854,122 km (0.107 R)
• M64: 36,047,253 km (0.046 R)
• M65: 36,499,188 km (0.095 R)
• M66: 37,473,967 km (0.105 R)
• M67: 37,997,261 km (0.084 R)
• M68: 38,194,132 km (0.099 R)
• M69: 38,457,274 km (0.114 R)
• M70: 39,848,086 km (0.039 R)
• M71: 41,255,502 km (0.058 R)
• M72: 43,774,581 km (0.081 R)
• M73: 44,049,991 km (0.112 R)
• M74: 46,975,377 km (0.117 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.7

Radius: 14.3

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 7.8 AU - 10.38 AU

Year: 10436 Days

Day: 6.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 76,376,557 km

• M1: 194,477 km (0.118 R)
• M2: 511,625 km (0.076 R)
• M3: 702,212 km (0.084 R)
• M4: 1,199,476 km (0.057 R)
• M5: 1,360,593 km (0.097 R)
• M6: 1,465,162 km (0.087 R)
• M7: 1,616,555 km (0.095 R)
• M8: 1,888,673 km (0.069 R)
• M9: 2,102,897 km (0.097 R)
• M10: 2,300,217 km (0.086 R)
• M11: 2,740,334 km (0.099 R)
• M12: 3,320,923 km (0.114 R)
• M13: 3,939,660 km (0.111 R)
• M14: 4,435,427 km (0.117 R)
• M15: 5,452,094 km (0.085 R)
• M16: 5,795,272 km (0.108 R)
• M17: 5,899,691 km (0.088 R)
• M18: 6,004,559 km (0.066 R)
• M19: 6,110,175 km (0.086 R)
• M20: 6,251,994 km (0.106 R)
• M21: 6,647,681 km (0.104 R)
• M22: 7,350,491 km (0.108 R)
• M23: 7,463,587 km (0.073 R)
• M24: 7,768,169 km (0.026 R)
• M25: 8,038,193 km (0.114 R)
• M26: 8,232,820 km (0.101 R)
• M27: 8,627,010 km (0.073 R)
• M28: 8,786,481 km (0.037 R)
• M29: 9,639,488 km (0.082 R)
• M30: 10,349,480 km (0.051 R)
• M31: 10,732,151 km (0.11 R)
• M32: 10,989,908 km (0.095 R)
• M33: 11,731,465 km (0.109 R)
• M34: 12,219,902 km (0.093 R)
• M35: 12,760,399 km (0.065 R)
• M36: 13,400,977 km (0.098 R)
• M37: 13,818,206 km (0.091 R)
• M38: 14,051,878 km (0.097 R)
• M39: 14,145,825 km (0.095 R)
• M40: 15,433,115 km (0.075 R)
• M41: 16,361,519 km (0.089 R)
• M42: 17,057,149 km (0.076 R)
• M43: 18,942,082 km (0.105 R)
• M44: 19,149,724 km (0.052 R)
• M45: 19,410,473 km (0.109 R)
• M46: 20,146,794 km (0.098 R)
• M47: 20,411,881 km (0.104 R)
• M48: 20,892,240 km (0.115 R)
• M49: 21,592,508 km (0.068 R)
• M50: 23,404,736 km (0.087 R)
• M51: 23,851,436 km (0.102 R)
• M52: 24,357,226 km (0.079 R)
• M53: 24,583,268 km (0.025 R)
• M54: 27,114,764 km (0.08 R)
• M55: 27,231,749 km (0.11 R)
• M56: 28,174,066 km (0.105 R)
• M57: 28,292,548 km (0.117 R)
• M58: 28,470,719 km (0.089 R)
• M59: 30,272,476 km (0.11 R)
• M60: 30,515,572 km (0.065 R)
• M61: 30,759,267 km (0.051 R)
• M62: 32,358,767 km (0.116 R)
• M63: 33,482,098 km (0.084 R)
• M64: 33,796,403 km (0.071 R)
• M65: 35,190,805 km (0.049 R)
• M66: 35,638,551 km (0.087 R)
• M67: 36,023,766 km (0.089 R)
• M68: 36,539,430 km (0.088 R)
• M69: 41,897,726 km (0.111 R)
• M70: 42,033,112 km (0.113 R)
• M71: 42,440,018 km (0.119 R)
• M72: 42,644,070 km (0.091 R)
• M73: 44,218,887 km (0.097 R)
• M74: 44,909,580 km (0.102 R)
• M75: 45,673,427 km (0.12 R)
• M76: 46,792,120 km (0.051 R)
• M77: 46,932,592 km (0.093 R)

Planet 10 - Ice Giant

Semi-Major Axis: 19.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 276

Radius: 4.5

Gravity: 13.63 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 16.45 AU - 21.67 AU

Year: 31687 Days

Day: 20.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 95.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 76,376,557 km

• M1: 255,812 km (0.09 R)
• M2: 858,542 km (0.064 R)
• M3: 1,040,453 km (0.047 R)
• M4: 1,655,001 km (0.047 R)
• M5: 1,782,907 km (0.11 R)
• M6: 5,217,824 km (0.11 R)
• M7: 5,264,499 km (0.098 R)
• M8: 6,527,105 km (0.116 R)
• M9: 7,036,485 km (0.055 R)
• M10: 7,191,768 km (0.089 R)
• M11: 7,400,607 km (0.117 R)
• M12: 9,085,527 km (0.03 R)
• M13: 9,367,968 km (0.069 R)
• M14: 9,653,401 km (0.114 R)
• M15: 9,825,887 km (0.074 R)
• M16: 10,349,779 km (0.094 R)
• M17: 10,585,545 km (0.105 R)
• M18: 10,882,647 km (0.043 R)
• M19: 11,002,325 km (0.069 R)
• M20: 11,485,077 km (0.079 R)
• M21: 11,545,964 km (0.09 R)
• M22: 11,668,036 km (0.119 R)
• M23: 14,131,314 km (0.118 R)
• M24: 14,196,539 km (0.12 R)
• M25: 15,791,402 km (0.099 R)
• M26: 18,075,163 km (0.082 R)
• M27: 18,216,982 km (0.105 R)
• M28: 18,358,950 km (0.098 R)
• M29: 19,508,759 km (0.104 R)
• M30: 19,872,731 km (0.033 R)
• M31: 20,019,037 km (0.117 R)
• M32: 21,651,150 km (0.086 R)
• M33: 23,866,994 km (0.067 R)
• M34: 23,944,635 km (0.112 R)
• M35: 25,199,163 km (0.086 R)
• M36: 25,278,151 km (0.11 R)
• M37: 25,436,724 km (0.105 R)
• M38: 27,607,988 km (0.106 R)
• M39: 29,670,793 km (0.1 R)
• M40: 30,257,217 km (0.103 R)
• M41: 31,101,547 km (0.08 R)
• M42: 35,172,404 km (0.109 R)
• M43: 35,615,214 km (0.091 R)
• M44: 36,685,587 km (0.107 R)
• M45: 37,314,795 km (0.091 R)
• M46: 37,766,431 km (0.039 R)
• M47: 39,590,927 km (0.064 R)
• M48: 40,606,547 km (0.085 R)
• M49: 42,099,085 km (0.099 R)
• M50: 42,193,032 km (0.09 R)
• M51: 46,683,212 km (0.088 R)
• M52: 53,036,484 km (0.12 R)
• M53: 53,239,339 km (0.086 R)
• M54: 53,645,796 km (0.106 R)
• M55: 58,184,745 km (0.095 R)
• M56: 61,775,244 km (0.089 R)
• M57: 62,523,383 km (0.109 R)
• M58: 64,677,293 km (0.099 R)
• M59: 65,545,709 km (0.119 R)
• M60: 66,090,395 km (0.057 R)
• M61: 70,501,587 km (0.093 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 473 - 10,782 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit