🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.3

Radius: 9.1

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.74 AU - 0.78 AU

Year: 457 Days

Day: 5.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,847,274 km

• M1: 115,789 km (0.064 R)
• M2: 422,165 km (0.086 R)
• M3: 744,249 km (0.112 R)
• M4: 1,054,366 km (0.111 R)
• M5: 1,344,137 km (0.045 R)
• M6: 1,695,243 km (0.06 R)
• M7: 2,716,099 km (0.115 R)
• M8: 3,354,283 km (0.082 R)
• M9: 3,708,980 km (0.107 R)
• M10: 4,170,639 km (0.041 R)
• M11: 4,596,395 km (0.111 R)
• M12: 5,305,488 km (0.093 R)
• M13: 5,771,785 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.2

Radius: 12.6

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.07 AU - 1.07 AU

Year: 764 Days

Day: 9.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,847,274 km

• M1: 156,779 km (0.113 R)
• M2: 566,677 km (0.084 R)
• M3: 1,073,215 km (0.112 R)
• M4: 1,483,861 km (0.092 R)
• M5: 2,096,315 km (0.08 R)
• M6: 2,506,213 km (0.047 R)
• M7: 3,409,635 km (0.032 R)
• M8: 3,967,485 km (0.083 R)
• M9: 4,372,596 km (0.104 R)
• M10: 5,104,130 km (0.114 R)
• M11: 6,987,567 km (0.034 R)
• M12: 8,562,085 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132

Radius: 12.4

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.12 AU - 1.18 AU

Year: 851 Days

Day: 13.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,847,274 km

• M1: 154,235 km (0.088 R)
• M2: 622,028 km (0.099 R)
• M3: 2,056,223 km (0.094 R)
• M4: 2,652,071 km (0.045 R)
• M5: 3,097,274 km (0.111 R)
• M6: 3,663,951 km (0.053 R)
• M7: 4,285,829 km (0.031 R)
• M8: 5,172,496 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 1000

Radius: 11

Gravity: 8.26 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.03 AU - 1.35 AU

Year: 896 Days

Day: 12 Hours

Environment

Temp: -178 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,847,274 km

• M1: 137,331 km (0.047 R)
• M2: 582,085 km (0.063 R)
• M3: 933,341 km (0.077 R)
• M4: 1,289,085 km (0.105 R)
• M5: 2,234,543 km (0.117 R)
• M6: 2,955,156 km (0.093 R)
• M7: 3,872,191 km (0.114 R)
• M8: 4,618,385 km (0.06 R)
• M9: 5,160,827 km (0.087 R)
• M10: 5,787,343 km (0.12 R)
• M11: 6,509,153 km (0.115 R)
• M12: 6,856,669 km (0.111 R)
• M13: 8,481,601 km (0.111 R)
• M14: 9,095,251 km (0.118 R)
• M15: 9,619,293 km (0.105 R)
• M16: 10,163,380 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.5

Radius: 9.6

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.64 AU - 2.1 AU

Year: 1765 Days

Day: 10.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,847,274 km

• M1: 119,379 km (0.076 R)
• M2: 588,219 km (0.103 R)
• M3: 952,789 km (0.03 R)
• M4: 1,271,881 km (0.115 R)
• M5: 2,542,565 km (0.094 R)
• M6: 3,473,214 km (0.104 R)
• M7: 4,968,893 km (0.085 R)
• M8: 5,729,299 km (0.119 R)
• M9: 6,764,217 km (0.082 R)
• M10: 7,600,769 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927

Radius: 8

Gravity: 14.48 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.71 AU - 2.15 AU

Year: 1851 Days

Day: 12.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,847,274 km

• M1: 99,483 km (0.095 R)
• M2: 370,255 km (0.109 R)
• M3: 687,103 km (0.047 R)
• M4: 1,262,157 km (0.077 R)
• M5: 2,534,487 km (0.088 R)
• M6: 3,105,801 km (0.08 R)
• M7: 3,405,147 km (0.093 R)
• M8: 3,705,539 km (0.117 R)
• M9: 4,932,242 km (0.069 R)
• M10: 5,248,192 km (0.045 R)
• M11: 5,553,821 km (0.078 R)
• M12: 7,206,578 km (0.087 R)
• M13: 8,223,395 km (0.062 R)
• M14: 9,435,138 km (0.11 R)
• M15: 9,747,049 km (0.081 R)
• M16: 11,885,252 km (0.119 R)
• M17: 12,331,352 km (0.074 R)
• M18: 13,780,657 km (0.101 R)
• M19: 14,092,568 km (0.118 R)
• M20: 14,638,301 km (0.044 R)
• M21: 15,340,065 km (0.092 R)
• M22: 16,760,347 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.4

Radius: 12.7

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.55 AU - 3.77 AU

Year: 3877 Days

Day: 7.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,847,274 km

• M1: 159,172 km (0.076 R)
• M2: 608,415 km (0.118 R)
• M3: 1,069,026 km (0.092 R)
• M4: 1,715,289 km (0.063 R)
• M5: 2,217,938 km (0.096 R)
• M6: 4,028,371 km (0.085 R)
• M7: 5,805,445 km (0.049 R)
• M8: 6,482,525 km (0.051 R)
• M9: 9,137,438 km (0.065 R)
• M10: 9,873,609 km (0.105 R)
• M11: 10,801,265 km (0.109 R)
• M12: 12,447,291 km (0.109 R)
• M13: 13,089,514 km (0.085 R)
• M14: 15,294,138 km (0.066 R)
• M15: 17,050,567 km (0.097 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.9

Radius: 12.2

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.44 AU - 4.44 AU

Year: 5398 Days

Day: 10.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,847,274 km

• M1: 152,440 km (0.075 R)
• M2: 830,867 km (0.105 R)
• M3: 3,564,618 km (0.093 R)
• M4: 5,075,407 km (0.11 R)
• M5: 6,211,752 km (0.11 R)
• M6: 7,193,563 km (0.114 R)
• M7: 8,554,006 km (0.1 R)
• M8: 13,905,272 km (0.068 R)
• M9: 14,349,428 km (0.065 R)
• M10: 16,113,486 km (0.069 R)
• M11: 19,634,122 km (0.043 R)
• M12: 20,509,120 km (0.119 R)
• M13: 22,539,014 km (0.118 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.3

Radius: 11.4

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.21 AU - 5.47 AU

Year: 7350 Days

Day: 7.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,847,274 km

• M1: 142,118 km (0.051 R)
• M2: 608,863 km (0.11 R)
• M3: 977,472 km (0.092 R)
• M4: 1,376,450 km (0.032 R)
• M5: 2,147,777 km (0.028 R)
• M6: 3,268,863 km (0.086 R)
• M7: 4,536,256 km (0.079 R)
• M8: 4,905,913 km (0.113 R)
• M9: 6,492,697 km (0.094 R)
• M10: 8,476,215 km (0.055 R)
• M11: 9,039,601 km (0.115 R)
• M12: 10,834,775 km (0.069 R)
• M13: 13,600,990 km (0.101 R)
• M14: 15,588,547 km (0.054 R)
• M15: 16,129,343 km (0.062 R)
• M16: 17,633,101 km (0.106 R)
• M17: 19,160,046 km (0.115 R)
• M18: 19,850,740 km (0.054 R)
• M19: 21,650,103 km (0.096 R)
• M20: 23,477,441 km (0.069 R)
• M21: 25,820,144 km (0.098 R)
• M22: 30,497,172 km (0.104 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 632.3

Radius: 5.4

Gravity: 21.68 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 6.37 AU - 9.89 AU

Year: 16001 Days

Day: 21.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 63,847,274 km

• M1: 75,098 km (0.073 R)
• M2: 269,725 km (0.083 R)
• M3: 562,189 km (0.069 R)
• M4: 927,058 km (0.116 R)
• M5: 1,267,543 km (0.102 R)
• M6: 1,823,897 km (0.096 R)
• M7: 2,297,225 km (0.104 R)
• M8: 2,573,981 km (0.025 R)
• M9: 2,872,578 km (0.12 R)
• M10: 4,335,496 km (0.085 R)
• M11: 4,592,804 km (0.071 R)
• M12: 4,997,915 km (0.077 R)
• M13: 6,902,595 km (0.113 R)
• M14: 7,253,851 km (0.084 R)
• M15: 8,087,560 km (0.079 R)
• M16: 8,983,502 km (0.106 R)
• M17: 9,670,455 km (0.078 R)
• M18: 10,166,073 km (0.07 R)
• M19: 11,941,052 km (0.088 R)
• M20: 12,705,497 km (0.07 R)
• M21: 13,570,023 km (0.03 R)
• M22: 15,415,313 km (0.085 R)
• M23: 16,167,491 km (0.07 R)
• M24: 17,261,350 km (0.118 R)
• M25: 20,121,662 km (0.111 R)
• M26: 21,663,716 km (0.057 R)
• M27: 22,511,039 km (0.111 R)
• M28: 24,675,271 km (0.102 R)
• M29: 36,404,193 km (0.094 R)
• M30: 36,932,722 km (0.079 R)
• M31: 43,088,525 km (0.073 R)
• M32: 45,639,169 km (0.093 R)
• M33: 46,718,069 km (0.089 R)
• M34: 55,793,274 km (0.043 R)
• M35: 57,739,093 km (0.098 R)
• M36: 59,182,414 km (0.118 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: 498 - 18,145 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit