🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.59 AU - 0.77 AU

Year: 248 Days

Day: 33.6 Hours

Environment

Temp: 2 °C

Axial Tilt: 38.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.69 AU - 1.01 AU

Year: 347 Days

Day: 26.1 Hours

Environment

Temp: -46 °C

Axial Tilt: 40 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.1 AU - 1.28 AU

Year: 575 Days

Day: 42.7 Hours

Environment

Temp: -90 °C

Axial Tilt: 39.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 31,231,153 km

• M1: 650,751 km (0.115 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.17 AU - 1.23 AU

Year: 582 Days

Day: 12.5 Hours

Environment

Temp: -75 °C

Axial Tilt: 11.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.45 AU - 1.99 AU

Year: 999 Days

Day: 25.5 Hours

Environment

Temp: -109 °C

Axial Tilt: 18.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.58 AU - 1.9 AU

Year: 1017 Days

Day: 46.2 Hours

Environment

Temp: -113 °C

Axial Tilt: 14.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.15 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.4

Radius: 13.1

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 5.57 AU - 7.55 AU

Year: 7442 Days

Day: 13.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 86.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 31,231,153 km

• M1: 163,361 km (0.119 R)
• M2: 588,668 km (0.107 R)
• M3: 980,016 km (0.041 R)
• M4: 1,268,141 km (0.042 R)
• M5: 1,468,752 km (0.093 R)
• M6: 1,734,737 km (0.082 R)
• M7: 1,924,876 km (0.107 R)
• M8: 2,217,190 km (0.054 R)
• M9: 2,524,015 km (0.089 R)
• M10: 2,714,902 km (0.08 R)
• M11: 2,923,890 km (0.085 R)
• M12: 3,124,800 km (0.063 R)
• M13: 3,288,760 km (0.108 R)
• M14: 3,371,936 km (0.102 R)
• M15: 3,568,657 km (0.118 R)
• M16: 3,682,800 km (0.055 R)
• M17: 3,812,651 km (0.11 R)
• M18: 3,900,166 km (0.062 R)
• M19: 4,624,220 km (0.063 R)
• M20: 4,749,134 km (0.031 R)
• M21: 5,227,099 km (0.087 R)
• M22: 5,737,378 km (0.078 R)
• M23: 6,281,016 km (0.101 R)
• M24: 6,384,837 km (0.027 R)
• M25: 7,326,556 km (0.118 R)
• M26: 7,454,163 km (0.052 R)
• M27: 8,084,718 km (0.117 R)
• M28: 8,235,662 km (0.07 R)
• M29: 8,406,503 km (0.11 R)
• M30: 9,180,373 km (0.105 R)
• M31: 9,436,783 km (0.116 R)
• M32: 9,535,967 km (0.082 R)
• M33: 10,017,223 km (0.093 R)
• M34: 10,281,263 km (0.118 R)
• M35: 10,692,059 km (0.083 R)
• M36: 10,816,375 km (0.118 R)
• M37: 11,508,415 km (0.113 R)
• M38: 11,934,918 km (0.093 R)
• M39: 12,913,587 km (0.1 R)
• M40: 13,580,196 km (0.077 R)
• M41: 13,714,983 km (0.08 R)
• M42: 13,985,755 km (0.11 R)
• M43: 14,395,055 km (0.085 R)
• M44: 14,716,242 km (0.095 R)
• M45: 15,930,079 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 409.6

Radius: 8

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 10.08 AU - 11.38 AU

Year: 15568 Days

Day: 19.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 31,231,153 km

• M1: 252,671 km (0.067 R)
• M2: 326,423 km (0.101 R)
• M3: 599,139 km (0.104 R)
• M4: 1,256,323 km (0.062 R)
• M5: 1,324,689 km (0.108 R)
• M6: 1,417,589 km (0.081 R)
• M7: 2,156,154 km (0.085 R)
• M8: 2,406,731 km (0.104 R)
• M9: 2,550,045 km (0.078 R)
• M10: 3,058,080 km (0.109 R)
• M11: 3,532,305 km (0.058 R)
• M12: 3,695,516 km (0.038 R)
• M13: 4,303,482 km (0.117 R)
• M14: 5,534,822 km (0.06 R)
• M15: 5,648,516 km (0.101 R)
• M16: 6,228,208 km (0.066 R)
• M17: 6,346,540 km (0.065 R)
• M18: 6,545,206 km (0.063 R)
• M19: 6,665,483 km (0.118 R)
• M20: 6,908,130 km (0.048 R)
• M21: 7,030,502 km (0.075 R)
• M22: 7,112,631 km (0.095 R)
• M23: 7,402,252 km (0.117 R)
• M24: 7,527,466 km (0.064 R)
• M25: 7,907,594 km (0.084 R)
• M26: 9,626,174 km (0.091 R)
• M27: 9,717,429 km (0.054 R)
• M28: 10,270,343 km (0.062 R)
• M29: 10,410,217 km (0.072 R)
• M30: 10,597,663 km (0.037 R)
• M31: 11,892,133 km (0.054 R)
• M32: 12,632,643 km (0.1 R)
• M33: 14,626,932 km (0.073 R)
• M34: 16,118,123 km (0.115 R)
• M35: 16,826,768 km (0.099 R)
• M36: 17,768,637 km (0.105 R)
• M37: 18,443,921 km (0.115 R)
• M38: 18,500,619 km (0.107 R)
• M39: 18,670,861 km (0.114 R)
• M40: 18,727,709 km (0.068 R)
• M41: 19,184,880 km (0.084 R)
• M42: 19,242,176 km (0.101 R)
• M43: 19,877,368 km (0.068 R)
• M44: 20,110,143 km (0.049 R)
• M45: 20,402,158 km (0.12 R)
• M46: 20,695,818 km (0.047 R)
• M47: 20,813,552 km (0.067 R)
• M48: 21,644,418 km (0.102 R)
• M49: 24,761,739 km (0.114 R)
• M50: 25,578,543 km (0.109 R)
• M51: 26,021,951 km (0.043 R)
• M52: 26,724,014 km (0.114 R)
• M53: 27,238,481 km (0.114 R)
• M54: 30,460,221 km (0.052 R)
• M55: 32,971,670 km (0.067 R)
• M56: 33,178,115 km (0.069 R)
• M57: 34,078,096 km (0.113 R)
• M58: 34,915,844 km (0.097 R)
• M59: 35,337,411 km (0.119 R)
• M60: 35,478,182 km (0.113 R)
• M61: 35,619,253 km (0.056 R)
• M62: 36,611,835 km (0.119 R)
• M63: 38,117,537 km (0.052 R)
• M64: 38,334,305 km (0.108 R)
• M65: 38,623,926 km (0.093 R)
• M66: 38,769,036 km (0.105 R)
• M67: 38,914,445 km (0.088 R)
• M68: 39,132,709 km (0.115 R)
• M69: 40,303,611 km (0.103 R)
• M70: 41,337,632 km (0.079 R)
• M71: 41,708,934 km (0.053 R)
• M72: 41,783,433 km (0.095 R)
• M73: 42,006,932 km (0.084 R)
• M74: 42,081,432 km (0.028 R)
• M75: 43,130,413 km (0.094 R)
• M76: 43,809,288 km (0.11 R)
• M77: 44,036,228 km (0.106 R)
• M78: 44,567,599 km (0.069 R)
• M79: 46,328,366 km (0.106 R)
• M80: 47,101,039 km (0.088 R)
• M81: 47,411,156 km (0.113 R)
• M82: 48,033,782 km (0.044 R)
• M83: 49,051,047 km (0.078 R)
• M84: 49,838,531 km (0.088 R)
• M85: 50,154,631 km (0.041 R)
• M86: 51,425,914 km (0.116 R)
• M87: 51,585,535 km (0.113 R)
• M88: 52,145,629 km (0.079 R)
• M89: 52,707,668 km (0.112 R)
• M90: 53,594,933 km (0.077 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 51.9

Radius: 6.1

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 10.06 AU - 14.54 AU

Year: 19107 Days

Day: 17.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 31,231,153 km

• M1: 78,688 km (0.11 R)
• M2: 133,142 km (0.098 R)
• M3: 214,075 km (0.111 R)
• M4: 393,293 km (0.092 R)
• M5: 455,974 km (0.096 R)
• M6: 616,194 km (0.12 R)
• M7: 690,394 km (0.069 R)
• M8: 834,307 km (0.118 R)
• M9: 1,166,265 km (0.08 R)
• M10: 1,419,833 km (0.065 R)
• M11: 1,903,932 km (0.063 R)
• M12: 2,240,378 km (0.096 R)
• M13: 2,337,168 km (0.074 R)
• M14: 2,376,213 km (0.115 R)
• M15: 2,656,110 km (0.067 R)
• M16: 2,696,950 km (0.096 R)
• M17: 2,738,090 km (0.098 R)
• M18: 2,883,349 km (0.069 R)
• M19: 2,967,573 km (0.096 R)
• M20: 3,268,863 km (0.061 R)
• M21: 3,738,900 km (0.084 R)
• M22: 3,877,128 km (0.102 R)
• M23: 4,111,249 km (0.096 R)
• M24: 4,277,901 km (0.045 R)
• M25: 4,691,838 km (0.052 R)
• M26: 5,349,470 km (0.111 R)
• M27: 5,505,351 km (0.064 R)
• M28: 5,610,219 km (0.11 R)
• M29: 6,116,758 km (0.079 R)
• M30: 6,361,799 km (0.078 R)
• M31: 6,526,955 km (0.099 R)
• M32: 7,431,573 km (0.078 R)
• M33: 7,489,468 km (0.086 R)
• M34: 7,810,206 km (0.117 R)
• M35: 7,928,089 km (0.096 R)
• M36: 8,314,949 km (0.117 R)
• M37: 10,178,789 km (0.105 R)
• M38: 10,992,003 km (0.106 R)
• M39: 11,123,948 km (0.094 R)
• M40: 11,691,074 km (0.112 R)
• M41: 12,645,508 km (0.075 R)
• M42: 13,342,335 km (0.098 R)
• M43: 13,412,795 km (0.069 R)
• M44: 13,518,561 km (0.106 R)
• M45: 13,873,258 km (0.097 R)
• M46: 14,374,859 km (0.113 R)
• M47: 14,773,239 km (0.057 R)
• M48: 15,175,208 km (0.06 R)
• M49: 15,803,519 km (0.088 R)
• M50: 15,952,668 km (0.114 R)
• M51: 16,027,317 km (0.103 R)
• M52: 16,629,299 km (0.063 R)
• M53: 16,742,994 km (0.102 R)
• M54: 16,932,983 km (0.119 R)
• M55: 17,276,908 km (0.08 R)
• M56: 18,596,661 km (0.1 R)
• M57: 19,908,485 km (0.115 R)
• M58: 20,190,477 km (0.099 R)
• M59: 20,311,800 km (0.045 R)
• M60: 20,514,506 km (0.078 R)
• M61: 21,703,360 km (0.046 R)
• M62: 22,285,296 km (0.043 R)
• M63: 22,494,284 km (0.073 R)
• M64: 24,104,256 km (0.084 R)
• M65: 26,278,661 km (0.083 R)
• M66: 26,898,744 km (0.101 R)
• M67: 28,062,915 km (0.081 R)
• M68: 28,832,895 km (0.068 R)
• M69: 29,151,987 km (0.115 R)
• M70: 29,977,917 km (0.071 R)
• M71: 31,091,075 km (0.034 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: 548 - 15,104 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit