🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.66 AU - 0.8 AU

Year: 231 Days

Day: 31.5 Hours

Environment

Temp: 190 °C

Axial Tilt: 4.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 20,295,609 km

• M1: 480,209 km (0.061 R)
• M2: 721,959 km (0.034 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.72 AU - 1 AU

Year: 296 Days

Day: 41.4 Hours

Environment

Temp: 134 °C

Axial Tilt: 33.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.88 AU - 1.1 AU

Year: 365 Days

Day: 33.4 Hours

Environment

Temp: 30 °C

Axial Tilt: 0.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 20,295,609 km

• M1: 64,776 km (0.082 R)
• M2: 535,560 km (0.118 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.77 AU - 3.19 AU

Year: 1908 Days

Day: 25.8 Hours

Environment

Temp: -106 °C

Axial Tilt: 1.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.93 AU - 3.27 AU

Year: 2024 Days

Day: 20.5 Hours

Environment

Temp: -118 °C

Axial Tilt: 35.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465

Radius: 10.8

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 4.2 AU - 5.96 AU

Year: 4246 Days

Day: 8.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 20,295,609 km

• M1: 151,243 km (0.103 R)
• M2: 464,801 km (0.09 R)
• M3: 700,118 km (0.111 R)
• M4: 773,271 km (0.047 R)
• M5: 1,009,486 km (0.089 R)
• M6: 1,155,195 km (0.079 R)
• M7: 1,347,428 km (0.094 R)
• M8: 1,550,582 km (0.072 R)
• M9: 1,677,291 km (0.096 R)
• M10: 1,941,481 km (0.065 R)
• M11: 2,172,011 km (0.093 R)
• M12: 2,830,242 km (0.043 R)
• M13: 3,092,338 km (0.112 R)
• M14: 3,163,696 km (0.106 R)
• M15: 3,307,908 km (0.043 R)
• M16: 3,697,012 km (0.055 R)
• M17: 3,849,153 km (0.101 R)
• M18: 3,964,643 km (0.11 R)
• M19: 4,081,180 km (0.111 R)
• M20: 4,258,453 km (0.119 R)
• M21: 4,418,074 km (0.117 R)
• M22: 4,805,233 km (0.12 R)
• M23: 4,929,699 km (0.109 R)
• M24: 5,309,827 km (0.097 R)
• M25: 5,503,556 km (0.052 R)
• M26: 5,590,323 km (0.064 R)
• M27: 5,964,467 km (0.064 R)
• M28: 6,737,290 km (0.09 R)
• M29: 6,807,002 km (0.116 R)
• M30: 6,970,513 km (0.102 R)
• M31: 7,397,316 km (0.082 R)
• M32: 7,469,272 km (0.072 R)
• M33: 7,979,401 km (0.044 R)
• M34: 8,102,520 km (0.116 R)
• M35: 8,500,899 km (0.108 R)
• M36: 9,290,925 km (0.099 R)
• M37: 9,446,657 km (0.1 R)
• M38: 10,051,331 km (0.1 R)
• M39: 10,237,730 km (0.112 R)
• M40: 10,641,345 km (0.029 R)
• M41: 11,242,729 km (0.046 R)
• M42: 11,353,282 km (0.098 R)
• M43: 11,464,134 km (0.07 R)
• M44: 11,659,060 km (0.081 R)
• M45: 12,851,654 km (0.107 R)
• M46: 13,025,337 km (0.1 R)
• M47: 13,257,812 km (0.095 R)
• M48: 13,345,476 km (0.092 R)
• M49: 13,638,838 km (0.113 R)
• M50: 13,845,433 km (0.087 R)
• M51: 14,652,214 km (0.058 R)
• M52: 14,985,219 km (0.116 R)
• M53: 15,259,581 km (0.085 R)
• M54: 16,030,309 km (0.107 R)
• M55: 16,845,468 km (0.12 R)
• M56: 16,972,028 km (0.074 R)
• M57: 17,194,330 km (0.117 R)
• M58: 17,417,680 km (0.043 R)
• M59: 17,673,941 km (0.07 R)
• M60: 18,222,965 km (0.116 R)
• M61: 19,106,341 km (0.032 R)
• M62: 19,470,163 km (0.104 R)
• M63: 19,736,297 km (0.088 R)
• M64: 20,846,613 km (0.093 R)
• M65: 21,187,098 km (0.089 R)
• M66: 21,289,572 km (0.118 R)
• M67: 21,839,045 km (0.093 R)
• M68: 22,637,150 km (0.077 R)
• M69: 22,776,874 km (0.105 R)
• M70: 23,233,148 km (0.039 R)
• M71: 23,515,289 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.6

Radius: 10.5

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 4.46 AU - 5.88 AU

Year: 4360 Days

Day: 10.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 20,295,609 km

• M1: 142,417 km (0.046 R)
• M2: 257,009 km (0.109 R)
• M3: 335,997 km (0.115 R)
• M4: 657,034 km (0.049 R)
• M5: 927,208 km (0.112 R)
• M6: 1,054,067 km (0.093 R)
• M7: 1,164,320 km (0.104 R)
• M8: 1,313,769 km (0.04 R)
• M9: 1,840,353 km (0.091 R)
• M10: 1,934,151 km (0.108 R)
• M11: 2,002,218 km (0.074 R)
• M12: 2,140,895 km (0.093 R)
• M13: 2,268,353 km (0.101 R)
• M14: 2,590,886 km (0.103 R)
• M15: 2,696,651 km (0.049 R)
• M16: 2,896,963 km (0.097 R)
• M17: 3,038,632 km (0.064 R)
• M18: 3,118,218 km (0.042 R)
• M19: 3,627,898 km (0.117 R)
• M20: 3,712,570 km (0.085 R)
• M21: 3,832,249 km (0.052 R)
• M22: 3,953,273 km (0.088 R)
• M23: 4,199,063 km (0.095 R)
• M24: 4,449,938 km (0.087 R)
• M25: 4,522,643 km (0.098 R)
• M26: 4,632,148 km (0.044 R)
• M27: 4,779,802 km (0.052 R)
• M28: 4,891,551 km (0.106 R)
• M29: 5,098,595 km (0.086 R)
• M30: 5,347,226 km (0.088 R)
• M31: 5,776,871 km (0.09 R)
• M32: 6,319,463 km (0.071 R)
• M33: 6,586,645 km (0.08 R)
• M34: 6,669,522 km (0.092 R)
• M35: 6,836,473 km (0.115 R)
• M36: 6,920,547 km (0.081 R)
• M37: 7,047,256 km (0.118 R)
• M38: 7,238,592 km (0.034 R)
• M39: 7,431,723 km (0.113 R)
• M40: 7,604,957 km (0.108 R)
• M41: 7,845,212 km (0.1 R)
• M42: 8,266,180 km (0.099 R)
• M43: 8,558,494 km (0.115 R)
• M44: 8,968,692 km (0.025 R)
• M45: 9,292,421 km (0.075 R)
• M46: 9,478,970 km (0.082 R)
• M47: 9,737,774 km (0.076 R)
• M48: 9,998,673 km (0.093 R)
• M49: 11,090,588 km (0.063 R)
• M50: 11,164,639 km (0.091 R)
• M51: 11,688,381 km (0.084 R)
• M52: 11,788,911 km (0.089 R)
• M53: 11,915,171 km (0.028 R)
• M54: 12,067,163 km (0.098 R)
• M55: 12,143,458 km (0.115 R)
• M56: 12,219,902 km (0.089 R)
• M57: 12,578,787 km (0.084 R)
• M58: 12,656,129 km (0.085 R)
• M59: 13,995,180 km (0.053 R)
• M60: 14,343,593 km (0.049 R)
• M61: 14,424,376 km (0.108 R)
• M62: 14,667,922 km (0.114 R)
• M63: 15,351,135 km (0.114 R)
• M64: 16,072,795 km (0.102 R)
• M65: 16,212,819 km (0.087 R)
• M66: 17,751,134 km (0.107 R)
• M67: 18,041,054 km (0.085 R)
• M68: 18,157,442 km (0.114 R)
• M69: 18,478,927 km (0.069 R)
• M70: 18,596,362 km (0.071 R)
• M71: 19,275,985 km (0.103 R)
• M72: 19,573,984 km (0.054 R)
• M73: 19,813,640 km (0.059 R)
• M74: 20,235,206 km (0.117 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 286 - 13,041 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit