🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.68 AU - 0.92 AU

Year: 267 Days

Day: 38.6 Hours

Environment

Temp: 145 °C

Axial Tilt: 32.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 44,010,908 km

• M1: 374,593 km (0.078 R)
• M2: 390,151 km (0.094 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.85 AU - 1.39 AU

Year: 442 Days

Day: 38.1 Hours

Environment

Temp: -0 °C

Axial Tilt: 14.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.98 AU - 1.34 AU

Year: 466 Days

Day: 27.3 Hours

Environment

Temp: -6 °C

Axial Tilt: 14.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.84

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.42 AU - 3.5 AU

Year: 1898 Days

Day: 24.9 Hours

Environment

Temp: -108 °C

Axial Tilt: 11 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,010,908 km

• M1: 50,115 km (0.058 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.35 AU - 4.25 AU

Year: 2761 Days

Day: 12.2 Hours

Environment

Temp: -117 °C

Axial Tilt: 29.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 3.61 AU - 4.57 AU

Year: 3083 Days

Day: 44.5 Hours

Environment

Temp: -128 °C

Axial Tilt: 9.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,010,908 km

• M1: 2,038,271 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.4

Radius: 10.3

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 4.51 AU - 5.55 AU

Year: 4205 Days

Day: 9.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 136.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 44,010,908 km

• M1: 128,804 km (0.073 R)
• M2: 315,352 km (0.113 R)
• M3: 416,331 km (0.109 R)
• M4: 568,771 km (0.104 R)
• M5: 678,127 km (0.12 R)
• M6: 873,951 km (0.094 R)
• M7: 978,968 km (0.112 R)
• M8: 1,164,021 km (0.116 R)
• M9: 1,254,528 km (0.112 R)
• M10: 1,320,650 km (0.105 R)
• M11: 1,470,397 km (0.038 R)
• M12: 1,583,045 km (0.063 R)
• M13: 1,892,712 km (0.076 R)
• M14: 2,000,124 km (0.109 R)
• M15: 2,286,304 km (0.084 R)
• M16: 2,467,617 km (0.116 R)
• M17: 2,688,274 km (0.076 R)
• M18: 2,968,620 km (0.084 R)
• M19: 3,185,238 km (0.108 R)
• M20: 3,519,888 km (0.069 R)
• M21: 3,595,884 km (0.108 R)
• M22: 3,885,655 km (0.097 R)
• M23: 3,964,194 km (0.086 R)
• M24: 4,446,647 km (0.107 R)
• M25: 4,736,867 km (0.079 R)
• M26: 5,555,317 km (0.082 R)
• M27: 5,621,888 km (0.049 R)
• M28: 5,733,338 km (0.12 R)
• M29: 6,232,397 km (0.081 R)
• M30: 6,347,737 km (0.104 R)
• M31: 6,463,825 km (0.03 R)
• M32: 6,698,245 km (0.103 R)
• M33: 7,296,337 km (0.076 R)
• M34: 7,762,484 km (0.109 R)
• M35: 8,162,509 km (0.062 R)
• M36: 8,415,927 km (0.098 R)
• M37: 8,646,308 km (0.117 R)
• M38: 9,218,071 km (0.109 R)
• M39: 9,376,196 km (0.111 R)
• M40: 9,990,445 km (0.114 R)
• M41: 10,125,681 km (0.106 R)
• M42: 11,739,244 km (0.117 R)
• M43: 12,255,955 km (0.062 R)
• M44: 12,342,872 km (0.111 R)
• M45: 12,692,482 km (0.03 R)
• M46: 12,956,672 km (0.069 R)
• M47: 13,193,186 km (0.097 R)
• M48: 13,580,495 km (0.102 R)
• M49: 13,700,472 km (0.059 R)
• M50: 13,820,749 km (0.074 R)
• M51: 14,062,349 km (0.101 R)
• M52: 14,274,928 km (0.077 R)
• M53: 14,764,861 km (0.063 R)
• M54: 15,229,213 km (0.077 R)
• M55: 15,792,748 km (0.092 R)
• M56: 15,981,989 km (0.111 R)
• M57: 16,076,984 km (0.059 R)
• M58: 16,172,128 km (0.076 R)
• M59: 16,299,286 km (0.058 R)
• M60: 16,940,164 km (0.088 R)
• M61: 17,134,043 km (0.11 R)
• M62: 17,687,255 km (0.115 R)
• M63: 17,785,541 km (0.09 R)
• M64: 18,081,446 km (0.119 R)
• M65: 18,644,682 km (0.116 R)
• M66: 18,711,253 km (0.058 R)
• M67: 19,822,316 km (0.101 R)
• M68: 19,992,559 km (0.037 R)
• M69: 20,231,766 km (0.104 R)
• M70: 20,334,539 km (0.05 R)
• M71: 20,437,463 km (0.068 R)
• M72: 20,678,315 km (0.104 R)
• M73: 20,747,280 km (0.052 R)
• M74: 20,816,394 km (0.064 R)
• M75: 21,302,138 km (0.081 R)
• M76: 21,546,282 km (0.046 R)
• M77: 21,932,095 km (0.088 R)
• M78: 23,677,753 km (0.099 R)
• M79: 23,750,008 km (0.051 R)
• M80: 23,822,264 km (0.028 R)
• M81: 24,039,480 km (0.05 R)
• M82: 24,293,797 km (0.1 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.3

Radius: 12

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 5.62 AU - 9.26 AU

Year: 7565 Days

Day: 6 Hours

Environment

Temp: -164 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 44,010,908 km

• M1: 180,415 km (0.111 R)
• M2: 509,231 km (0.105 R)
• M3: 685,457 km (0.08 R)
• M4: 943,963 km (0.076 R)
• M5: 1,037,461 km (0.098 R)
• M6: 1,167,312 km (0.12 R)
• M7: 1,480,271 km (0.079 R)
• M8: 1,684,771 km (0.081 R)
• M9: 2,572,335 km (0.061 R)
• M10: 2,820,069 km (0.107 R)
• M11: 3,099,518 km (0.114 R)
• M12: 3,660,211 km (0.106 R)
• M13: 3,913,929 km (0.118 R)
• M14: 4,792,069 km (0.066 R)
• M15: 5,098,146 km (0.064 R)
• M16: 5,905,974 km (0.115 R)
• M17: 6,630,028 km (0.055 R)
• M18: 6,908,878 km (0.103 R)
• M19: 7,255,048 km (0.027 R)
• M20: 7,574,589 km (0.11 R)
• M21: 7,768,468 km (0.117 R)
• M22: 8,898,680 km (0.117 R)
• M23: 9,137,737 km (0.027 R)
• M24: 9,727,302 km (0.106 R)
• M25: 9,938,235 km (0.113 R)
• M26: 10,222,023 km (0.113 R)
• M27: 10,906,582 km (0.047 R)
• M28: 11,089,241 km (0.109 R)
• M29: 11,383,650 km (0.111 R)
• M30: 11,606,102 km (0.115 R)
• M31: 13,437,180 km (0.111 R)
• M32: 14,107,079 km (0.071 R)
• M33: 14,306,194 km (0.079 R)
• M34: 14,506,206 km (0.068 R)
• M35: 14,868,682 km (0.102 R)
• M36: 15,561,470 km (0.091 R)
• M37: 15,643,599 km (0.111 R)
• M38: 16,264,729 km (0.088 R)
• M39: 16,599,230 km (0.062 R)
• M40: 16,851,751 km (0.055 R)
• M41: 17,403,019 km (0.09 R)
• M42: 17,745,299 km (0.038 R)
• M43: 17,960,272 km (0.097 R)
• M44: 18,132,908 km (0.099 R)
• M45: 18,654,106 km (0.03 R)
• M46: 19,092,279 km (0.084 R)
• M47: 19,489,611 km (0.119 R)
• M48: 20,068,106 km (0.103 R)
• M49: 20,292,203 km (0.095 R)
• M50: 20,788,120 km (0.114 R)
• M51: 21,333,554 km (0.089 R)
• M52: 21,653,993 km (0.082 R)
• M53: 22,624,733 km (0.082 R)
• M54: 22,811,282 km (0.078 R)
• M55: 22,998,279 km (0.031 R)
• M56: 23,656,958 km (0.065 R)
• M57: 23,893,622 km (0.085 R)
• M58: 25,524,239 km (0.102 R)
• M59: 25,669,798 km (0.047 R)
• M60: 25,767,036 km (0.071 R)
• M61: 26,893,957 km (0.1 R)
• M62: 26,992,692 km (0.11 R)
• M63: 27,438,493 km (0.087 R)
• M64: 28,438,106 km (0.113 R)
• M65: 29,144,807 km (0.099 R)
• M66: 29,806,329 km (0.114 R)
• M67: 30,318,552 km (0.069 R)
• M68: 31,351,675 km (0.068 R)
• M69: 32,186,580 km (0.09 R)
• M70: 33,984,747 km (0.109 R)
• M71: 34,198,372 km (0.076 R)
• M72: 34,305,485 km (0.12 R)
• M73: 35,057,663 km (0.119 R)
• M74: 35,165,523 km (0.105 R)
• M75: 35,381,692 km (0.099 R)
• M76: 36,087,195 km (0.081 R)
• M77: 36,305,309 km (0.116 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.6

Radius: 10.2

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 9.65 AU - 9.65 AU

Year: 11175 Days

Day: 5.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 44,010,908 km

• M1: 134,040 km (0.08 R)
• M2: 366,365 km (0.12 R)
• M3: 820,844 km (0.119 R)
• M4: 905,067 km (0.04 R)
• M5: 1,195,287 km (0.092 R)
• M6: 1,662,780 km (0.119 R)
• M7: 1,951,055 km (0.117 R)
• M8: 3,068,103 km (0.097 R)
• M9: 3,284,571 km (0.097 R)
• M10: 3,506,125 km (0.082 R)
• M11: 3,876,679 km (0.087 R)
• M12: 4,170,340 km (0.076 R)
• M13: 4,289,869 km (0.118 R)
• M14: 4,562,885 km (0.067 R)
• M15: 4,655,187 km (0.11 R)
• M16: 5,678,286 km (0.078 R)
• M17: 6,181,234 km (0.079 R)
• M18: 6,283,559 km (0.065 R)
• M19: 6,524,562 km (0.071 R)
• M20: 6,593,975 km (0.037 R)
• M21: 7,051,296 km (0.119 R)
• M22: 8,942,362 km (0.057 R)
• M23: 9,487,497 km (0.048 R)
• M24: 9,843,839 km (0.036 R)
• M25: 10,366,085 km (0.064 R)
• M26: 10,610,079 km (0.052 R)
• M27: 10,691,909 km (0.083 R)
• M28: 10,856,168 km (0.119 R)
• M29: 11,187,078 km (0.044 R)
• M30: 11,605,504 km (0.085 R)
• M31: 13,728,896 km (0.078 R)
• M32: 13,997,125 km (0.049 R)
• M33: 14,221,821 km (0.104 R)
• M34: 14,357,356 km (0.074 R)
• M35: 14,447,863 km (0.044 R)
• M36: 15,086,945 km (0.079 R)
• M37: 15,179,098 km (0.114 R)
• M38: 15,456,452 km (0.099 R)
• M39: 15,922,300 km (0.094 R)
• M40: 16,157,019 km (0.12 R)
• M41: 17,251,327 km (0.111 R)
• M42: 17,589,269 km (0.073 R)
• M43: 18,665,177 km (0.113 R)
• M44: 18,764,061 km (0.109 R)
• M45: 18,912,612 km (0.102 R)
• M46: 19,161,243 km (0.117 R)
• M47: 19,511,153 km (0.107 R)
• M48: 19,711,913 km (0.077 R)
• M49: 19,913,571 km (0.089 R)
• M50: 20,726,635 km (0.094 R)
• M51: 21,188,743 km (0.102 R)
• M52: 21,343,577 km (0.053 R)
• M53: 21,446,949 km (0.12 R)
• M54: 21,810,173 km (0.065 R)
• M55: 22,123,281 km (0.095 R)
• M56: 22,385,227 km (0.095 R)
• M57: 23,018,026 km (0.111 R)
• M58: 23,390,076 km (0.057 R)
• M59: 24,086,005 km (0.068 R)
• M60: 25,388,703 km (0.061 R)
• M61: 26,658,640 km (0.105 R)
• M62: 28,459,499 km (0.031 R)
• M63: 28,915,922 km (0.064 R)
• M64: 29,317,144 km (0.107 R)
• M65: 30,241,359 km (0.067 R)
• M66: 30,707,057 km (0.093 R)
• M67: 31,175,149 km (0.109 R)
• M68: 32,059,123 km (0.109 R)
• M69: 32,355,626 km (0.105 R)
• M70: 32,772,256 km (0.116 R)
• M71: 32,891,635 km (0.094 R)
• M72: 33,070,853 km (0.079 R)
• M73: 34,942,771 km (0.11 R)
• M74: 36,353,779 km (0.12 R)
• M75: 38,284,788 km (0.118 R)
• M76: 38,410,450 km (0.083 R)
• M77: 39,357,853 km (0.093 R)
• M78: 39,738,879 km (0.109 R)
• M79: 40,057,373 km (0.088 R)
• M80: 40,632,876 km (0.116 R)
• M81: 40,953,763 km (0.047 R)
• M82: 42,635,842 km (0.091 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 172 - 18,034 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit