🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.58 AU - 0.6 AU

Year: 170 Days

Day: 15.8 Hours

Environment

Temp: 170 °C

Axial Tilt: 45 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 52,686,673 km

• M1: 245,341 km (0.088 R)
• M2: 424,409 km (0.101 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.58

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.73 AU - 0.97 AU

Year: 294 Days

Day: 27.6 Hours

Environment

Temp: 87 °C

Axial Tilt: 44.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.92 AU - 1.48 AU

Year: 493 Days

Day: 21.2 Hours

Environment

Temp: -18 °C

Axial Tilt: 28.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 52,686,673 km

• M1: 692,040 km (0.05 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.15 AU - 2.35 AU

Year: 1265 Days

Day: 26.8 Hours

Environment

Temp: -85 °C

Axial Tilt: 14.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.76 AU - 2.92 AU

Year: 1341 Days

Day: 26.5 Hours

Environment

Temp: -88 °C

Axial Tilt: 2.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 52,686,673 km

• M1: 99,034 km (0.085 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.61 AU - 2.71 AU

Year: 1626 Days

Day: 43.1 Hours

Environment

Temp: -104 °C

Axial Tilt: 31.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 9.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.2

Radius: 12.3

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 7.88 AU - 10.52 AU

Year: 10457 Days

Day: 10.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 52,686,673 km

• M1: 350,657 km (0.095 R)
• M2: 783,444 km (0.065 R)
• M3: 1,054,366 km (0.07 R)
• M4: 1,401,433 km (0.113 R)
• M5: 1,564,644 km (0.068 R)
• M6: 1,987,707 km (0.072 R)
• M7: 2,092,575 km (0.074 R)
• M8: 2,474,498 km (0.075 R)
• M9: 2,702,635 km (0.093 R)
• M10: 2,790,150 km (0.088 R)
• M11: 3,334,686 km (0.11 R)
• M12: 3,491,913 km (0.104 R)
• M13: 3,716,310 km (0.114 R)
• M14: 3,912,433 km (0.026 R)
• M15: 5,160,079 km (0.071 R)
• M16: 5,269,286 km (0.035 R)
• M17: 5,416,191 km (0.101 R)
• M18: 5,601,692 km (0.058 R)
• M19: 6,443,031 km (0.07 R)
• M20: 6,719,039 km (0.08 R)
• M21: 7,778,341 km (0.051 R)
• M22: 8,156,973 km (0.094 R)
• M23: 8,242,095 km (0.08 R)
• M24: 8,758,207 km (0.095 R)
• M25: 9,642,032 km (0.098 R)
• M26: 9,867,326 km (0.053 R)
• M27: 9,957,982 km (0.096 R)
• M28: 10,461,529 km (0.087 R)
• M29: 10,553,980 km (0.099 R)
• M30: 11,876,874 km (0.029 R)
• M31: 12,021,685 km (0.111 R)
• M32: 12,410,789 km (0.111 R)
• M33: 12,952,632 km (0.056 R)
• M34: 13,201,414 km (0.103 R)
• M35: 13,301,495 km (0.114 R)
• M36: 14,008,494 km (0.097 R)
• M37: 14,161,533 km (0.06 R)
• M38: 14,417,944 km (0.071 R)
• M39: 15,353,828 km (0.104 R)
• M40: 15,829,100 km (0.103 R)
• M41: 16,470,277 km (0.098 R)
• M42: 16,740,002 km (0.087 R)
• M43: 16,956,769 km (0.082 R)
• M44: 17,833,413 km (0.111 R)
• M45: 18,388,869 km (0.07 R)
• M46: 18,556,569 km (0.106 R)
• M47: 18,893,463 km (0.091 R)
• M48: 20,088,900 km (0.11 R)
• M49: 20,377,175 km (0.029 R)
• M50: 20,783,034 km (0.073 R)
• M51: 21,132,943 km (0.12 R)
• M52: 21,897,987 km (0.116 R)
• M53: 22,373,259 km (0.092 R)
• M54: 22,731,995 km (0.091 R)
• M55: 22,972,099 km (0.051 R)
• M56: 23,819,422 km (0.047 R)
• M57: 24,369,643 km (0.088 R)
• M58: 25,482,501 km (0.086 R)
• M59: 26,675,096 km (0.066 R)
• M60: 28,271,903 km (0.115 R)
• M61: 29,244,738 km (0.074 R)
• M62: 29,768,181 km (0.079 R)
• M63: 31,223,469 km (0.094 R)
• M64: 31,959,640 km (0.115 R)
• M65: 32,228,916 km (0.093 R)
• M66: 32,973,016 km (0.07 R)
• M67: 34,823,392 km (0.051 R)
• M68: 35,517,227 km (0.035 R)
• M69: 37,626,108 km (0.1 R)
• M70: 38,052,612 km (0.103 R)
• M71: 38,195,328 km (0.097 R)
• M72: 38,695,584 km (0.068 R)
• M73: 39,775,231 km (0.039 R)
• M74: 40,864,753 km (0.101 R)
• M75: 41,890,396 km (0.051 R)
• M76: 42,924,566 km (0.082 R)
• M77: 43,444,867 km (0.072 R)
• M78: 45,244,380 km (0.099 R)
• M79: 45,546,717 km (0.049 R)
• M80: 46,915,239 km (0.075 R)
• M81: 47,144,722 km (0.08 R)
• M82: 49,226,077 km (0.084 R)
• M83: 50,708,741 km (0.113 R)
• M84: 50,787,280 km (0.089 R)
• M85: 51,968,804 km (0.043 R)
• M86: 52,206,067 km (0.113 R)
• M87: 53,079,568 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 237.6

Radius: 3

Gravity: 26.4 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 11.53 AU - 16.41 AU

Year: 19567 Days

Day: 21.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 52,686,673 km

• M1: 39,045 km (0.115 R)
• M2: 164,408 km (0.117 R)
• M3: 352,901 km (0.076 R)
• M4: 1,012,329 km (0.08 R)
• M5: 1,033,422 km (0.071 R)
• M6: 1,184,217 km (0.085 R)
• M7: 1,458,878 km (0.099 R)
• M8: 2,037,224 km (0.096 R)
• M9: 2,308,445 km (0.096 R)
• M10: 3,566,114 km (0.066 R)
• M11: 3,891,639 km (0.039 R)
• M12: 4,888,410 km (0.033 R)
• M13: 4,924,164 km (0.082 R)
• M14: 5,067,777 km (0.067 R)
• M15: 5,103,980 km (0.11 R)
• M16: 5,212,887 km (0.111 R)
• M17: 5,396,294 km (0.085 R)
• M18: 5,470,196 km (0.076 R)
• M19: 7,178,903 km (0.109 R)
• M20: 7,219,593 km (0.087 R)
• M21: 8,302,083 km (0.045 R)
• M22: 8,344,719 km (0.116 R)
• M23: 10,063,449 km (0.049 R)
• M24: 10,245,809 km (0.111 R)
• M25: 10,659,895 km (0.057 R)
• M26: 10,752,646 km (0.095 R)
• M27: 10,892,371 km (0.085 R)
• M28: 10,985,720 km (0.117 R)
• M29: 11,126,491 km (0.061 R)
• M30: 11,504,525 km (0.052 R)
• M31: 11,695,113 km (0.089 R)
• M32: 11,790,706 km (0.113 R)
• M33: 12,909,698 km (0.03 R)
• M34: 13,758,217 km (0.101 R)
• M35: 15,194,656 km (0.064 R)
• M36: 15,824,762 km (0.088 R)
• M37: 16,302,877 km (0.091 R)
• M38: 16,409,690 km (0.102 R)
• M39: 16,570,507 km (0.07 R)
• M40: 16,624,213 km (0.088 R)
• M41: 17,055,952 km (0.113 R)
• M42: 17,382,225 km (0.052 R)
• M43: 18,206,659 km (0.064 R)
• M44: 18,262,160 km (0.114 R)
• M45: 18,707,513 km (0.074 R)
• M46: 19,100,207 km (0.119 R)
• M47: 19,325,801 km (0.087 R)
• M48: 19,950,671 km (0.089 R)
• M49: 20,755,657 km (0.112 R)
• M50: 21,629,758 km (0.118 R)
• M51: 22,100,841 km (0.112 R)
• M52: 22,159,933 km (0.117 R)
• M53: 22,278,414 km (0.12 R)
• M54: 22,397,045 km (0.088 R)
• M55: 22,456,436 km (0.105 R)
• M56: 24,506,525 km (0.088 R)
• M57: 26,176,635 km (0.116 R)
• M58: 26,239,167 km (0.091 R)
• M59: 26,301,849 km (0.054 R)
• M60: 26,615,556 km (0.069 R)
• M61: 26,678,536 km (0.06 R)
• M62: 27,819,220 km (0.117 R)
• M63: 28,203,088 km (0.055 R)
• M64: 29,170,089 km (0.077 R)
• M65: 30,476,377 km (0.059 R)
• M66: 31,202,974 km (0.083 R)
• M67: 31,601,653 km (0.084 R)
• M68: 31,801,665 km (0.087 R)
• M69: 32,135,867 km (0.066 R)
• M70: 32,740,541 km (0.086 R)
• M71: 34,371,008 km (0.113 R)
• M72: 34,645,221 km (0.038 R)
• M73: 34,851,517 km (0.071 R)
• M74: 35,472,498 km (0.119 R)
• M75: 35,611,025 km (0.114 R)
• M76: 36,655,517 km (0.115 R)
• M77: 38,632,154 km (0.113 R)
• M78: 39,131,661 km (0.04 R)
• M79: 40,643,049 km (0.093 R)
• M80: 40,715,454 km (0.077 R)
• M81: 40,788,009 km (0.055 R)
• M82: 41,661,212 km (0.025 R)
• M83: 42,100,132 km (0.041 R)
• M84: 42,466,946 km (0.069 R)
• M85: 42,540,548 km (0.115 R)
• M86: 42,761,355 km (0.117 R)
• M87: 45,741,344 km (0.078 R)
• M88: 46,043,083 km (0.077 R)
• M89: 46,648,356 km (0.033 R)
• M90: 46,952,040 km (0.067 R)
• M91: 47,180,326 km (0.106 R)
• M92: 48,173,207 km (0.112 R)
• M93: 49,095,927 km (0.053 R)
• M94: 49,482,188 km (0.094 R)
• M95: 49,559,531 km (0.108 R)
• M96: 51,271,529 km (0.04 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: 509 - 11,451 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit