🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.9

Radius: 10

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.46 AU - 0.62 AU

Year: 265 Days

Day: 11.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,181,811 km

• M1: 124,316 km (0.103 R)
• M2: 446,550 km (0.03 R)
• M3: 785,538 km (0.113 R)
• M4: 1,295,218 km (0.11 R)
• M5: 1,610,271 km (0.111 R)
• M6: 2,022,713 km (0.105 R)
• M7: 2,459,838 km (0.051 R)
• M8: 2,782,969 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.3

Radius: 10.3

Gravity: 7.73 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.9 AU - 0.98 AU

Year: 608 Days

Day: 8.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,181,811 km

• M1: 128,056 km (0.044 R)
• M2: 510,727 km (0.101 R)
• M3: 896,390 km (0.075 R)
• M4: 1,254,528 km (0.11 R)
• M5: 1,981,723 km (0.095 R)
• M6: 2,414,510 km (0.119 R)
• M7: 3,053,293 km (0.101 R)
• M8: 3,717,058 km (0.095 R)
• M9: 4,076,243 km (0.092 R)
• M10: 4,521,895 km (0.084 R)
• M11: 4,948,847 km (0.074 R)
• M12: 5,621,439 km (0.111 R)
• M13: 6,096,412 km (0.12 R)
• M14: 7,845,062 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.2

Radius: 12.5

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.14 AU - 1.36 AU

Year: 932 Days

Day: 13 Hours

Environment

Temp: -175 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,181,811 km

• M1: 155,582 km (0.108 R)
• M2: 557,701 km (0.084 R)
• M3: 1,075,459 km (0.114 R)
• M4: 1,524,402 km (0.049 R)
• M5: 1,977,385 km (0.099 R)
• M6: 2,666,133 km (0.084 R)
• M7: 3,941,605 km (0.087 R)
• M8: 4,441,561 km (0.091 R)
• M9: 5,494,281 km (0.074 R)
• M10: 6,059,611 km (0.112 R)
• M11: 7,445,336 km (0.1 R)
• M12: 8,719,013 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.7

Radius: 12.4

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.17 AU - 1.81 AU

Year: 1213 Days

Day: 5.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 69,181,811 km

• M1: 185,801 km (0.099 R)
• M2: 754,123 km (0.074 R)
• M3: 1,165,068 km (0.091 R)
• M4: 5,829,829 km (0.108 R)
• M5: 7,194,461 km (0.085 R)
• M6: 7,791,506 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.8

Radius: 14.6

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.81 AU - 3.31 AU

Year: 3570 Days

Day: 10 Hours

Environment

Temp: -218 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,181,811 km

• M1: 184,604 km (0.065 R)
• M2: 994,227 km (0.1 R)
• M3: 1,529,339 km (0.112 R)
• M4: 3,228,920 km (0.065 R)
• M5: 4,949,595 km (0.117 R)
• M6: 6,080,854 km (0.117 R)
• M7: 7,593,438 km (0.106 R)
• M8: 12,571,756 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.9

Radius: 13.4

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 3.99 AU - 5.01 AU

Year: 6366 Days

Day: 14.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,181,811 km

• M1: 166,802 km (0.088 R)
• M2: 668,852 km (0.095 R)
• M3: 1,383,182 km (0.073 R)
• M4: 2,451,012 km (0.06 R)
• M5: 3,780,488 km (0.098 R)
• M6: 4,499,754 km (0.108 R)
• M7: 6,717,094 km (0.117 R)
• M8: 8,757,011 km (0.075 R)
• M9: 9,978,776 km (0.082 R)
• M10: 10,925,132 km (0.103 R)
• M11: 12,432,481 km (0.082 R)
• M12: 15,000,178 km (0.103 R)
• M13: 18,684,026 km (0.104 R)
• M14: 19,237,688 km (0.114 R)
• M15: 20,507,325 km (0.117 R)
• M16: 24,432,025 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128

Radius: 11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 4.95 AU - 6.05 AU

Year: 8601 Days

Day: 8.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,181,811 km

• M1: 137,032 km (0.072 R)
• M2: 536,009 km (0.109 R)
• M3: 1,122,732 km (0.097 R)
• M4: 1,598,902 km (0.088 R)
• M5: 3,330,049 km (0.045 R)
• M6: 4,465,347 km (0.084 R)
• M7: 5,814,420 km (0.054 R)
• M8: 6,447,967 km (0.105 R)
• M9: 7,483,933 km (0.111 R)
• M10: 17,689,350 km (0.062 R)
• M11: 18,045,542 km (0.093 R)
• M12: 21,069,963 km (0.11 R)
• M13: 22,012,130 km (0.109 R)
• M14: 22,702,225 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 719.9

Radius: 4.4

Gravity: 37.18 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 5.19 AU - 7.27 AU

Year: 10370 Days

Day: 16.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 69,181,811 km

• M1: 55,202 km (0.094 R)
• M2: 459,714 km (0.034 R)
• M3: 638,035 km (0.089 R)
• M4: 1,025,493 km (0.113 R)
• M5: 1,455,886 km (0.057 R)
• M6: 1,719,777 km (0.101 R)
• M7: 1,980,526 km (0.118 R)
• M8: 2,401,046 km (0.047 R)
• M9: 2,748,262 km (0.116 R)
• M10: 3,776,149 km (0.095 R)
• M11: 4,019,844 km (0.055 R)
• M12: 4,449,489 km (0.041 R)
• M13: 4,877,489 km (0.084 R)
• M14: 6,631,524 km (0.087 R)
• M15: 6,866,841 km (0.108 R)
• M16: 7,907,743 km (0.09 R)
• M17: 8,488,782 km (0.116 R)
• M18: 9,242,156 km (0.083 R)
• M19: 10,613,071 km (0.048 R)
• M20: 12,172,180 km (0.082 R)
• M21: 14,392,811 km (0.108 R)
• M22: 16,438,263 km (0.097 R)
• M23: 17,014,663 km (0.073 R)
• M24: 17,307,875 km (0.088 R)
• M25: 18,903,037 km (0.081 R)
• M26: 23,000,972 km (0.052 R)
• M27: 27,251,945 km (0.064 R)
• M28: 28,674,172 km (0.105 R)
• M29: 29,719,861 km (0.091 R)
• M30: 33,810,016 km (0.086 R)
• M31: 41,477,805 km (0.074 R)
• M32: 42,679,076 km (0.109 R)
• M33: 45,995,361 km (0.107 R)
• M34: 46,707,298 km (0.066 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 462

Radius: 6.6

Gravity: 10.61 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 8.17 AU - 8.53 AU

Year: 16090 Days

Day: 17.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 69,181,811 km

• M1: 91,703 km (0.036 R)
• M2: 738,565 km (0.094 R)
• M3: 961,166 km (0.044 R)
• M4: 1,280,707 km (0.056 R)
• M5: 1,918,144 km (0.096 R)
• M6: 2,153,461 km (0.076 R)
• M7: 2,469,562 km (0.116 R)
• M8: 3,448,680 km (0.105 R)
• M9: 4,083,723 km (0.063 R)
• M10: 4,664,611 km (0.105 R)
• M11: 5,619,494 km (0.073 R)
• M12: 5,877,252 km (0.051 R)
• M13: 6,377,058 km (0.093 R)
• M14: 7,072,838 km (0.047 R)
• M15: 7,330,146 km (0.064 R)
• M16: 7,909,090 km (0.088 R)
• M17: 8,422,360 km (0.113 R)
• M18: 8,908,104 km (0.086 R)
• M19: 12,223,193 km (0.077 R)
• M20: 12,531,814 km (0.095 R)
• M21: 13,164,762 km (0.088 R)
• M22: 15,983,934 km (0.056 R)
• M23: 16,502,440 km (0.109 R)
• M24: 18,285,198 km (0.101 R)
• M25: 24,107,248 km (0.079 R)
• M26: 26,089,121 km (0.08 R)
• M27: 29,592,553 km (0.046 R)
• M28: 30,486,700 km (0.101 R)
• M29: 31,629,627 km (0.081 R)
• M30: 34,857,800 km (0.082 R)
• M31: 38,299,000 km (0.109 R)
• M32: 39,494,436 km (0.114 R)
• M33: 43,373,060 km (0.055 R)
• M34: 46,293,809 km (0.09 R)
• M35: 48,568,594 km (0.026 R)
• M36: 50,758,109 km (0.106 R)
• M37: 52,199,783 km (0.053 R)
• M38: 55,669,407 km (0.101 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 590.9

Radius: 6.9

Gravity: 12.41 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 8.98 AU - 9.46 AU

Year: 18669 Days

Day: 16.1 Hours

Environment

Temp: -243 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 69,181,811 km

• M1: 86,019 km (0.067 R)
• M2: 338,241 km (0.039 R)
• M3: 567,275 km (0.062 R)
• M4: 1,065,137 km (0.068 R)
• M5: 1,823,897 km (0.097 R)
• M6: 2,046,200 km (0.106 R)
• M7: 2,266,109 km (0.116 R)
• M8: 2,568,895 km (0.028 R)
• M9: 2,947,826 km (0.077 R)
• M10: 3,256,147 km (0.095 R)
• M11: 5,695,191 km (0.108 R)
• M12: 7,397,764 km (0.067 R)
• M13: 9,251,432 km (0.089 R)
• M14: 10,666,478 km (0.036 R)
• M15: 11,707,529 km (0.041 R)
• M16: 12,220,201 km (0.103 R)
• M17: 12,548,120 km (0.043 R)
• M18: 13,221,609 km (0.071 R)
• M19: 13,848,125 km (0.111 R)
• M20: 14,204,617 km (0.117 R)
• M21: 16,874,041 km (0.116 R)
• M22: 18,029,685 km (0.062 R)
• M23: 27,633,569 km (0.09 R)
• M24: 29,003,138 km (0.026 R)
• M25: 34,934,992 km (0.072 R)
• M26: 35,996,240 km (0.112 R)
• M27: 38,322,636 km (0.117 R)
• M28: 43,576,364 km (0.044 R)
• M29: 45,900,217 km (0.106 R)
• M30: 47,172,846 km (0.111 R)
• M31: 52,844,251 km (0.109 R)
• M32: 53,890,090 km (0.057 R)
• M33: 57,659,208 km (0.098 R)
• M34: 58,581,778 km (0.105 R)
• M35: 59,514,222 km (0.12 R)
• M36: 61,408,729 km (0.045 R)
• M37: 68,355,905 km (0.061 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: 285 - 10,518 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit