🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.51 AU - 0.57 AU

Year: 152 Days

Day: 22.3 Hours

Environment

Temp: 189 °C

Axial Tilt: 38.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.64 AU - 0.66 AU

Year: 201 Days

Day: 30.2 Hours

Environment

Temp: 104 °C

Axial Tilt: 89.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.78 AU - 1 AU

Year: 321 Days

Day: 30.9 Hours

Environment

Temp: 17 °C

Axial Tilt: 20.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.14

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.89 AU - 0.95 AU

Year: 338 Days

Day: 17.7 Hours

Environment

Temp: 5 °C

Axial Tilt: 5.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 40,884,712 km

• M1: 639,082 km (0.104 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.36

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.66 AU - 1.72 AU

Year: 841 Days

Day: 21.2 Hours

Environment

Temp: -64 °C

Axial Tilt: 45.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.8

Radius: 9.7

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 8.63 AU - 9.15 AU

Year: 10149 Days

Day: 6.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 40,884,712 km

• M1: 178,620 km (0.091 R)
• M2: 298,448 km (0.066 R)
• M3: 491,279 km (0.092 R)
• M4: 747,241 km (0.078 R)
• M5: 960,867 km (0.057 R)
• M6: 1,069,026 km (0.064 R)
• M7: 1,729,501 km (0.052 R)
• M8: 1,833,023 km (0.119 R)
• M9: 2,061,758 km (0.109 R)
• M10: 2,187,719 km (0.097 R)
• M11: 2,332,530 km (0.092 R)
• M12: 2,751,254 km (0.099 R)
• M13: 3,358,323 km (0.054 R)
• M14: 3,469,773 km (0.096 R)
• M15: 3,696,414 km (0.114 R)
• M16: 3,792,306 km (0.055 R)
• M17: 3,888,946 km (0.054 R)
• M18: 4,045,426 km (0.109 R)
• M19: 4,486,440 km (0.031 R)
• M20: 4,609,410 km (0.083 R)
• M21: 4,733,576 km (0.105 R)
• M22: 4,816,902 km (0.103 R)
• M23: 5,006,293 km (0.086 R)
• M24: 5,069,872 km (0.116 R)
• M25: 5,392,405 km (0.079 R)
• M26: 5,788,241 km (0.071 R)
• M27: 6,079,957 km (0.071 R)
• M28: 6,284,906 km (0.111 R)
• M29: 6,399,647 km (0.08 R)
• M30: 6,913,067 km (0.082 R)
• M31: 6,984,126 km (0.06 R)
• M32: 7,150,778 km (0.11 R)
• M33: 7,463,887 km (0.034 R)
• M34: 7,781,632 km (0.107 R)
• M35: 8,278,896 km (0.11 R)
• M36: 8,506,135 km (0.088 R)
• M37: 8,607,712 km (0.093 R)
• M38: 8,837,943 km (0.099 R)
• M39: 9,044,238 km (0.071 R)
• M40: 9,200,119 km (0.067 R)
• M41: 9,699,328 km (0.06 R)
• M42: 9,778,914 km (0.089 R)
• M43: 10,072,873 km (0.097 R)
• M44: 10,532,737 km (0.104 R)
• M45: 10,834,027 km (0.057 R)
• M46: 11,054,834 km (0.045 R)
• M47: 11,333,086 km (0.069 R)
• M48: 11,529,209 km (0.068 R)
• M49: 11,783,076 km (0.061 R)
• M50: 12,181,605 km (0.085 R)
• M51: 12,296,347 km (0.058 R)
• M52: 12,700,560 km (0.041 R)
• M53: 12,962,655 km (0.064 R)
• M54: 13,197,225 km (0.032 R)
• M55: 13,849,472 km (0.046 R)
• M56: 14,664,331 km (0.096 R)
• M57: 15,216,198 km (0.094 R)
• M58: 15,370,732 km (0.104 R)
• M59: 15,432,666 km (0.104 R)
• M60: 15,525,716 km (0.073 R)
• M61: 15,681,298 km (0.07 R)
• M62: 16,561,980 km (0.078 R)
• M63: 16,880,474 km (0.084 R)
• M64: 17,008,380 km (0.096 R)
• M65: 17,394,044 km (0.119 R)
• M66: 17,978,223 km (0.091 R)
• M67: 18,634,659 km (0.102 R)
• M68: 18,700,781 km (0.107 R)
• M69: 20,378,072 km (0.113 R)
• M70: 20,446,139 km (0.101 R)
• M71: 20,548,464 km (0.111 R)
• M72: 20,993,518 km (0.106 R)
• M73: 21,338,191 km (0.105 R)
• M74: 21,823,786 km (0.06 R)
• M75: 22,242,959 km (0.111 R)
• M76: 22,700,130 km (0.093 R)
• M77: 22,982,870 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.8

Radius: 9.3

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 8.1 AU - 12.02 AU

Year: 12217 Days

Day: 12.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 40,884,712 km

• M1: 144,811 km (0.073 R)
• M2: 214,075 km (0.116 R)
• M3: 360,082 km (0.083 R)
• M4: 557,850 km (0.104 R)
• M5: 685,158 km (0.111 R)
• M6: 822,639 km (0.047 R)
• M7: 936,333 km (0.056 R)
• M8: 1,198,129 km (0.076 R)
• M9: 1,502,711 km (0.034 R)
• M10: 1,726,359 km (0.116 R)
• M11: 2,048,743 km (0.081 R)
• M12: 2,436,949 km (0.108 R)
• M13: 3,333,489 km (0.106 R)
• M14: 3,412,477 km (0.059 R)
• M15: 4,322,630 km (0.069 R)
• M16: 4,495,865 km (0.086 R)
• M17: 4,554,058 km (0.12 R)
• M18: 5,520,610 km (0.106 R)
• M19: 5,583,142 km (0.034 R)
• M20: 5,771,935 km (0.086 R)
• M21: 5,867,228 km (0.091 R)
• M22: 6,482,525 km (0.087 R)
• M23: 6,548,497 km (0.053 R)
• M24: 6,848,291 km (0.1 R)
• M25: 7,323,414 km (0.058 R)
• M26: 7,704,141 km (0.111 R)
• M27: 8,162,658 km (0.081 R)
• M28: 8,341,278 km (0.084 R)
• M29: 8,485,191 km (0.086 R)
• M30: 8,666,205 km (0.03 R)
• M31: 8,885,066 km (0.113 R)
• M32: 8,995,320 km (0.032 R)
• M33: 9,254,124 km (0.101 R)
• M34: 9,703,367 km (0.059 R)
• M35: 9,968,903 km (0.092 R)
• M36: 11,015,041 km (0.093 R)
• M37: 11,291,946 km (0.098 R)
• M38: 11,611,338 km (0.105 R)
• M39: 12,218,107 km (0.104 R)
• M40: 12,587,015 km (0.115 R)
• M41: 12,918,075 km (0.069 R)
• M42: 13,084,727 km (0.098 R)
• M43: 13,378,089 km (0.049 R)
• M44: 13,928,609 km (0.064 R)
• M45: 14,659,544 km (0.064 R)
• M46: 15,801,724 km (0.055 R)
• M47: 15,935,315 km (0.108 R)
• M48: 16,248,573 km (0.104 R)
• M49: 16,699,610 km (0.108 R)
• M50: 16,881,222 km (0.091 R)
• M51: 18,827,042 km (0.113 R)
• M52: 19,730,463 km (0.106 R)
• M53: 20,356,680 km (0.104 R)
• M54: 20,647,947 km (0.099 R)
• M55: 21,529,826 km (0.105 R)
• M56: 22,174,444 km (0.103 R)
• M57: 23,279,822 km (0.087 R)
• M58: 23,941,344 km (0.079 R)
• M59: 25,023,086 km (0.089 R)
• M60: 25,910,501 km (0.117 R)
• M61: 26,754,981 km (0.083 R)
• M62: 26,967,559 km (0.11 R)
• M63: 27,180,587 km (0.089 R)
• M64: 28,796,693 km (0.112 R)
• M65: 29,891,300 km (0.091 R)
• M66: 30,999,521 km (0.117 R)
• M67: 31,502,619 km (0.074 R)
• M68: 31,783,264 km (0.114 R)
• M69: 31,952,160 km (0.099 R)
• M70: 32,630,288 km (0.087 R)
• M71: 32,800,530 km (0.076 R)
• M72: 34,346,325 km (0.068 R)
• M73: 36,561,869 km (0.083 R)
• M74: 36,738,694 km (0.06 R)
• M75: 37,271,113 km (0.079 R)
• M76: 38,643,075 km (0.05 R)
• M77: 38,943,467 km (0.079 R)
• M78: 39,486,358 km (0.098 R)
• M79: 39,546,796 km (0.058 R)
• M80: 39,667,820 km (0.076 R)
• M81: 39,788,845 km (0.114 R)
• M82: 40,823,613 km (0.097 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 170 - 19,913 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit