🌌 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: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.53 AU - 0.69 AU

Year: 208 Days

Day: 22.3 Hours

Environment

Temp: 21 °C

Axial Tilt: 3.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.45

Radius: 1.16

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.7 AU - 0.8 AU

Year: 284 Days

Day: 26.9 Hours

Environment

Temp: -32 °C

Axial Tilt: 8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 46,845,853 km

• M1: 46,974 km (0.033 R)
• M2: 364,271 km (0.072 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.89 AU - 0.91 AU

Year: 373 Days

Day: 31.6 Hours

Environment

Temp: -40 °C

Axial Tilt: 47.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.9 AU - 1.44 AU

Year: 552 Days

Day: 42.2 Hours

Environment

Temp: -79 °C

Axial Tilt: 23.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.44 AU - 1.72 AU

Year: 867 Days

Day: 33.7 Hours

Environment

Temp: -109 °C

Axial Tilt: 66.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.18

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.93 AU - 1.95 AU

Year: 1180 Days

Day: 32.9 Hours

Environment

Temp: -112 °C

Axial Tilt: 32.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.6

Radius: 8.6

Gravity: 11.37 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 4.03 AU - 5.49 AU

Year: 4534 Days

Day: 12 Hours

Environment

Temp: -168 °C

Axial Tilt: 55.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 46,845,853 km

• M1: 132,693 km (0.068 R)
• M2: 240,853 km (0.086 R)
• M3: 304,581 km (0.063 R)
• M4: 496,216 km (0.119 R)
• M5: 607,068 km (0.066 R)
• M6: 739,313 km (0.115 R)
• M7: 854,802 km (0.069 R)
• M8: 1,178,083 km (0.119 R)
• M9: 1,238,072 km (0.117 R)
• M10: 1,299,258 km (0.079 R)
• M11: 1,842,597 km (0.107 R)
• M12: 2,129,675 km (0.104 R)
• M13: 2,185,026 km (0.083 R)
• M14: 2,259,676 km (0.08 R)
• M15: 2,316,224 km (0.099 R)
• M16: 2,450,114 km (0.09 R)
• M17: 2,566,950 km (0.119 R)
• M18: 2,745,719 km (0.044 R)
• M19: 2,806,157 km (0.074 R)
• M20: 2,908,033 km (0.042 R)
• M21: 3,011,106 km (0.072 R)
• M22: 3,220,992 km (0.096 R)
• M23: 3,285,020 km (0.105 R)
• M24: 3,457,506 km (0.088 R)
• M25: 3,970,178 km (0.118 R)
• M26: 4,602,229 km (0.044 R)
• M27: 5,040,999 km (0.109 R)
• M28: 5,265,396 km (0.038 R)
• M29: 5,906,124 km (0.079 R)
• M30: 6,010,842 km (0.105 R)
• M31: 6,275,631 km (0.052 R)
• M32: 6,355,815 km (0.109 R)
• M33: 6,571,236 km (0.108 R)
• M34: 6,734,447 km (0.071 R)
• M35: 7,176,210 km (0.116 R)
• M36: 8,116,732 km (0.104 R)
• M37: 8,204,246 km (0.038 R)
• M38: 8,497,907 km (0.108 R)
• M39: 8,825,078 km (0.118 R)
• M40: 9,186,506 km (0.11 R)
• M41: 9,247,243 km (0.09 R)
• M42: 11,390,531 km (0.117 R)
• M43: 12,182,203 km (0.102 R)
• M44: 12,416,474 km (0.077 R)
• M45: 12,550,962 km (0.084 R)
• M46: 13,196,627 km (0.097 R)
• M47: 13,575,408 km (0.068 R)
• M48: 13,644,672 km (0.101 R)
• M49: 14,097,655 km (0.118 R)
• M50: 14,697,392 km (0.114 R)
• M51: 14,839,810 km (0.104 R)
• M52: 16,694,524 km (0.107 R)
• M53: 16,880,175 km (0.11 R)
• M54: 19,045,754 km (0.09 R)
• M55: 19,162,141 km (0.085 R)
• M56: 19,512,798 km (0.099 R)
• M57: 19,669,278 km (0.085 R)
• M58: 20,537,394 km (0.103 R)
• M59: 22,229,346 km (0.045 R)
• M60: 22,392,856 km (0.101 R)
• M61: 22,679,935 km (0.086 R)
• M62: 23,715,002 km (0.042 R)
• M63: 24,133,278 km (0.085 R)
• M64: 24,554,097 km (0.06 R)
• M65: 24,977,309 km (0.109 R)
• M66: 25,062,131 km (0.031 R)
• M67: 25,274,859 km (0.101 R)
• M68: 25,360,130 km (0.103 R)
• M69: 25,530,971 km (0.107 R)
• M70: 25,702,261 km (0.076 R)
• M71: 26,045,737 km (0.1 R)
• M72: 26,131,906 km (0.031 R)
• M73: 26,261,308 km (0.113 R)
• M74: 26,390,860 km (0.08 R)
• M75: 26,998,377 km (0.05 R)
• M76: 27,479,034 km (0.086 R)
• M77: 27,698,345 km (0.097 R)
• M78: 28,050,648 km (0.094 R)
• M79: 28,138,911 km (0.088 R)
• M80: 29,564,130 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 206.3

Radius: 3.8

Gravity: 14.29 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 9.9 AU - 13.62 AU

Year: 17606 Days

Day: 21.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 46,845,853 km

• M1: 200,012 km (0.088 R)
• M2: 717,920 km (0.103 R)
• M3: 752,328 km (0.116 R)
• M4: 1,594,265 km (0.044 R)
• M5: 1,685,220 km (0.083 R)
• M6: 1,801,308 km (0.103 R)
• M7: 1,848,581 km (0.109 R)
• M8: 2,266,109 km (0.116 R)
• M9: 2,291,690 km (0.079 R)
• M10: 2,472,554 km (0.087 R)
• M11: 2,631,277 km (0.056 R)
• M12: 2,903,096 km (0.102 R)
• M13: 3,532,155 km (0.054 R)
• M14: 3,862,019 km (0.104 R)
• M15: 3,923,055 km (0.087 R)
• M16: 4,745,244 km (0.098 R)
• M17: 5,412,601 km (0.101 R)
• M18: 5,653,154 km (0.03 R)
• M19: 5,861,993 km (0.051 R)
• M20: 6,612,974 km (0.104 R)
• M21: 6,649,476 km (0.11 R)
• M22: 7,393,576 km (0.05 R)
• M23: 7,431,573 km (0.104 R)
• M24: 7,622,012 km (0.105 R)
• M25: 7,698,606 km (0.085 R)
• M26: 7,775,499 km (0.088 R)
• M27: 8,007,824 km (0.043 R)
• M28: 8,163,855 km (0.087 R)
• M29: 8,281,589 km (0.103 R)
• M30: 8,598,287 km (0.056 R)
• M31: 8,878,634 km (0.08 R)
• M32: 9,696,036 km (0.102 R)
• M33: 9,862,389 km (0.098 R)
• M34: 9,904,127 km (0.104 R)
• M35: 10,880,104 km (0.068 R)
• M36: 10,966,422 km (0.095 R)
• M37: 11,357,770 km (0.101 R)
• M38: 11,975,310 km (0.12 R)
• M39: 12,513,413 km (0.116 R)
• M40: 12,876,487 km (0.03 R)
• M41: 14,410,464 km (0.113 R)
• M42: 14,600,303 km (0.114 R)
• M43: 14,790,891 km (0.107 R)
• M44: 15,126,439 km (0.089 R)
• M45: 15,271,100 km (0.068 R)
• M46: 15,367,740 km (0.089 R)
• M47: 15,513,150 km (0.07 R)
• M48: 15,805,314 km (0.112 R)
• M49: 16,000,988 km (0.104 R)
• M50: 16,543,430 km (0.062 R)
• M51: 17,292,766 km (0.091 R)
• M52: 17,393,595 km (0.078 R)
• M53: 17,444,009 km (0.099 R)
• M54: 18,002,159 km (0.09 R)
• M55: 18,360,446 km (0.091 R)
• M56: 20,345,759 km (0.111 R)
• M57: 21,960,668 km (0.078 R)
• M58: 22,673,053 km (0.114 R)
• M59: 23,226,266 km (0.104 R)
• M60: 23,616,118 km (0.097 R)
• M61: 24,571,899 km (0.058 R)
• M62: 25,712,433 km (0.087 R)
• M63: 26,521,159 km (0.092 R)
• M64: 26,579,203 km (0.084 R)
• M65: 26,695,441 km (0.1 R)
• M66: 27,631,774 km (0.052 R)
• M67: 27,749,657 km (0.109 R)
• M68: 28,222,536 km (0.1 R)
• M69: 28,400,408 km (0.092 R)
• M70: 29,116,234 km (0.041 R)
• M71: 30,019,206 km (0.114 R)
• M72: 30,443,765 km (0.118 R)
• M73: 30,748,346 km (0.114 R)
• M74: 31,176,196 km (0.104 R)
• M75: 32,161,897 km (0.109 R)
• M76: 32,720,645 km (0.115 R)
• M77: 32,783,027 km (0.066 R)
• M78: 33,157,620 km (0.114 R)
• M79: 33,470,878 km (0.081 R)
• M80: 34,353,206 km (0.083 R)
• M81: 34,988,100 km (0.098 R)
• M82: 36,915,818 km (0.054 R)
• M83: 37,827,168 km (0.084 R)
• M84: 38,088,964 km (0.078 R)
• M85: 38,680,175 km (0.099 R)
• M86: 39,009,889 km (0.114 R)
• M87: 39,805,001 km (0.114 R)
• M88: 40,271,298 km (0.074 R)
• M89: 42,629,708 km (0.099 R)
• M90: 43,175,142 km (0.104 R)
• M91: 43,860,001 km (0.083 R)
• M92: 44,341,557 km (0.076 R)
• M93: 44,548,600 km (0.115 R)
• M94: 45,379,467 km (0.107 R)
• M95: 45,657,569 km (0.084 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 20,160 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit