🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.61 AU - 0.61 AU

Year: 202 Days

Day: 41.3 Hours

Environment

Temp: 12 °C

Axial Tilt: 137 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 59,147,520 km

• M1: 140,772 km (0.066 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.85 AU - 1.16 AU

Year: 425 Days

Day: 14.2 Hours

Environment

Temp: -48 °C

Axial Tilt: 44.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.14

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.2 AU - 1.28 AU

Year: 586 Days

Day: 44.6 Hours

Environment

Temp: -63 °C

Axial Tilt: 7.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.12 AU - 1.4 AU

Year: 601 Days

Day: 42.7 Hours

Environment

Temp: -79 °C

Axial Tilt: 6.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.06 AU - 1.66 AU

Year: 673 Days

Day: 24.9 Hours

Environment

Temp: -84 °C

Axial Tilt: 9.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,147,520 km

• M1: 492,027 km (0.101 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.34 AU - 1.44 AU

Year: 696 Days

Day: 42.2 Hours

Environment

Temp: -74 °C

Axial Tilt: 40 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.79 AU - 1.83 AU

Year: 1034 Days

Day: 20.5 Hours

Environment

Temp: -112 °C

Axial Tilt: 10.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.5

Radius: 11.4

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.02 AU - 4.24 AU

Year: 2937 Days

Day: 11.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,147,520 km

• M1: 144,362 km (0.088 R)
• M2: 406,607 km (0.104 R)
• M3: 607,667 km (0.069 R)
• M4: 899,532 km (0.114 R)
• M5: 1,011,431 km (0.091 R)
• M6: 1,507,348 km (0.03 R)
• M7: 1,942,678 km (0.109 R)
• M8: 2,066,545 km (0.097 R)
• M9: 2,205,372 km (0.115 R)
• M10: 2,322,357 km (0.104 R)
• M11: 2,460,586 km (0.107 R)
• M12: 2,595,224 km (0.086 R)
• M13: 2,878,562 km (0.108 R)
• M14: 3,006,917 km (0.078 R)
• M15: 3,116,572 km (0.08 R)
• M16: 3,276,642 km (0.07 R)
• M17: 3,539,934 km (0.097 R)
• M18: 3,634,031 km (0.075 R)
• M19: 3,707,035 km (0.075 R)
• M20: 4,064,425 km (0.094 R)
• M21: 4,201,307 km (0.117 R)
• M22: 4,347,613 km (0.115 R)
• M23: 5,153,048 km (0.03 R)
• M24: 5,235,327 km (0.037 R)
• M25: 5,695,789 km (0.06 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.6

Radius: 10.2

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.06 AU - 4.34 AU

Year: 3022 Days

Day: 9.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 59,147,520 km

• M1: 172,935 km (0.06 R)
• M2: 240,254 km (0.086 R)
• M3: 345,421 km (0.113 R)
• M4: 463,305 km (0.101 R)
• M5: 650,900 km (0.103 R)
• M6: 774,169 km (0.106 R)
• M7: 905,815 km (0.056 R)
• M8: 1,112,260 km (0.079 R)
• M9: 1,180,626 km (0.091 R)
• M10: 1,262,456 km (0.085 R)
• M11: 1,346,231 km (0.082 R)
• M12: 1,674,449 km (0.101 R)
• M13: 1,807,441 km (0.092 R)
• M14: 1,902,586 km (0.047 R)
• M15: 1,971,700 km (0.069 R)
• M16: 2,069,836 km (0.082 R)
• M17: 2,300,666 km (0.107 R)
• M18: 2,740,184 km (0.099 R)
• M19: 2,929,725 km (0.094 R)
• M20: 3,042,372 km (0.039 R)
• M21: 3,156,515 km (0.107 R)
• M22: 3,305,365 km (0.107 R)
• M23: 3,888,797 km (0.113 R)
• M24: 4,301,537 km (0.102 R)
• M25: 4,393,091 km (0.088 R)
• M26: 4,541,043 km (0.114 R)
• M27: 4,653,092 km (0.102 R)
• M28: 4,785,037 km (0.119 R)
• M29: 4,937,328 km (0.096 R)
• M30: 5,052,668 km (0.105 R)
• M31: 5,130,010 km (0.099 R)
• M32: 5,622,636 km (0.115 R)
• M33: 5,945,767 km (0.059 R)
• M34: 6,463,077 km (0.099 R)
• M35: 6,780,374 km (0.077 R)
• M36: 6,865,794 km (0.091 R)
• M37: 7,233,207 km (0.044 R)
• M38: 7,673,623 km (0.091 R)
• M39: 7,874,682 km (0.094 R)
• M40: 8,077,387 km (0.095 R)
• M41: 8,168,044 km (0.101 R)
• M42: 8,304,776 km (0.091 R)
• M43: 8,672,937 km (0.078 R)
• M44: 9,330,120 km (0.087 R)
• M45: 9,401,628 km (0.098 R)
• M46: 9,809,432 km (0.119 R)
• M47: 9,882,136 km (0.043 R)
• M48: 10,003,460 km (0.115 R)
• M49: 10,892,071 km (0.037 R)
• M50: 11,067,699 km (0.041 R)
• M51: 11,219,092 km (0.104 R)
• M52: 12,929,146 km (0.092 R)
• M53: 13,035,360 km (0.072 R)
• M54: 13,115,245 km (0.118 R)
• M55: 13,436,432 km (0.063 R)
• M56: 13,571,070 km (0.078 R)
• M57: 13,895,847 km (0.098 R)
• M58: 14,195,791 km (0.11 R)
• M59: 14,691,408 km (0.069 R)
• M60: 14,857,911 km (0.109 R)
• M61: 15,304,760 km (0.049 R)
• M62: 15,417,257 km (0.056 R)
• M63: 15,869,641 km (0.1 R)
• M64: 16,441,404 km (0.099 R)
• M65: 17,253,272 km (0.095 R)
• M66: 17,546,334 km (0.118 R)
• M67: 18,137,395 km (0.056 R)
• M68: 18,256,475 km (0.106 R)
• M69: 18,345,785 km (0.085 R)
• M70: 18,945,822 km (0.095 R)
• M71: 19,521,774 km (0.09 R)
• M72: 19,827,103 km (0.098 R)
• M73: 20,380,915 km (0.102 R)
• M74: 20,815,048 km (0.11 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 496.1

Radius: 3.9

Gravity: 32.62 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 10.07 AU - 12.51 AU

Year: 16107 Days

Day: 23.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 59,147,520 km

• M1: 50,414 km (0.116 R)
• M2: 769,531 km (0.09 R)
• M3: 1,538,913 km (0.114 R)
• M4: 1,779,018 km (0.091 R)
• M5: 1,861,596 km (0.115 R)
• M6: 2,002,068 km (0.11 R)
• M7: 2,353,324 km (0.114 R)
• M8: 2,786,709 km (0.084 R)
• M9: 3,210,819 km (0.103 R)
• M10: 3,345,457 km (0.045 R)
• M11: 3,689,831 km (0.112 R)
• M12: 4,338,039 km (0.081 R)
• M13: 5,255,373 km (0.069 R)
• M14: 6,230,153 km (0.115 R)
• M15: 6,781,122 km (0.117 R)
• M16: 6,824,056 km (0.103 R)
• M17: 6,867,290 km (0.106 R)
• M18: 7,259,237 km (0.071 R)
• M19: 7,347,350 km (0.079 R)
• M20: 7,658,663 km (0.084 R)
• M21: 7,748,272 km (0.119 R)
• M22: 8,386,008 km (0.064 R)
• M23: 8,664,409 km (0.084 R)
• M24: 9,040,349 km (0.118 R)
• M25: 9,517,716 km (0.036 R)
• M26: 9,856,705 km (0.096 R)
• M27: 10,199,732 km (0.086 R)
• M28: 10,847,042 km (0.043 R)
• M29: 12,128,647 km (0.102 R)
• M30: 12,548,868 km (0.066 R)
• M31: 12,601,676 km (0.098 R)
• M32: 12,867,062 km (0.095 R)
• M33: 13,080,688 km (0.057 R)
• M34: 13,187,950 km (0.05 R)
• M35: 13,565,685 km (0.107 R)
• M36: 15,168,027 km (0.101 R)
• M37: 16,134,729 km (0.084 R)
• M38: 17,121,177 km (0.09 R)
• M39: 17,829,224 km (0.106 R)
• M40: 18,067,384 km (0.072 R)
• M41: 18,546,845 km (0.093 R)
• M42: 19,395,813 km (0.068 R)
• M43: 19,456,998 km (0.06 R)
• M44: 19,886,643 km (0.097 R)
• M45: 20,319,430 km (0.054 R)
• M46: 20,755,358 km (0.116 R)
• M47: 21,320,389 km (0.081 R)
• M48: 21,890,507 km (0.05 R)
• M49: 22,593,916 km (0.072 R)
• M50: 23,045,552 km (0.102 R)
• M51: 23,500,030 km (0.075 R)
• M52: 23,957,501 km (0.106 R)
• M53: 24,814,846 km (0.072 R)
• M54: 26,288,535 km (0.115 R)
• M55: 26,491,689 km (0.112 R)
• M56: 26,899,492 km (0.034 R)
• M57: 27,241,024 km (0.088 R)
• M58: 28,690,777 km (0.083 R)
• M59: 29,812,163 km (0.106 R)
• M60: 30,307,182 km (0.088 R)
• M61: 30,378,092 km (0.106 R)
• M62: 30,591,269 km (0.082 R)
• M63: 30,876,253 km (0.101 R)
• M64: 31,090,626 km (0.038 R)
• M65: 31,952,908 km (0.085 R)
• M66: 32,169,676 km (0.109 R)
• M67: 32,242,081 km (0.102 R)
• M68: 32,677,411 km (0.099 R)
• M69: 32,968,828 km (0.085 R)
• M70: 33,041,682 km (0.091 R)
• M71: 33,187,839 km (0.065 R)
• M72: 34,734,681 km (0.052 R)
• M73: 34,883,231 km (0.043 R)
• M74: 35,330,230 km (0.072 R)
• M75: 36,004,168 km (0.065 R)
• M76: 36,380,407 km (0.081 R)
• M77: 39,746,957 km (0.095 R)
• M78: 40,447,674 km (0.113 R)
• M79: 43,051,874 km (0.119 R)
• M80: 44,253,444 km (0.054 R)
• M81: 46,853,305 km (0.116 R)
• M82: 48,669,274 km (0.11 R)
• M83: 49,168,482 km (0.105 R)
• M84: 49,669,485 km (0.041 R)
• M85: 50,929,249 km (0.079 R)
• M86: 51,690,103 km (0.112 R)
• M87: 51,859,747 km (0.098 R)
• M88: 52,369,577 km (0.117 R)
• M89: 54,253,313 km (0.081 R)
• M90: 54,684,604 km (0.088 R)
• M91: 55,550,477 km (0.109 R)
• M92: 55,637,243 km (0.104 R)
• M93: 56,246,406 km (0.112 R)
• M94: 57,208,021 km (0.084 R)
• M95: 57,471,164 km (0.091 R)
• M96: 58,704,897 km (0.051 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 311 - 16,672 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit