🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.8

Radius: 10

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.86 AU - 1.28 AU

Year: 715 Days

Day: 11.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,999,138 km

• M1: 125,064 km (0.116 R)
• M2: 445,054 km (0.083 R)
• M3: 964,757 km (0.119 R)
• M4: 1,471,893 km (0.114 R)
• M5: 2,382,196 km (0.079 R)
• M6: 2,886,192 km (0.114 R)
• M7: 4,135,783 km (0.099 R)
• M8: 4,599,237 km (0.084 R)
• M9: 4,942,564 km (0.093 R)
• M10: 5,680,979 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.8

Radius: 14.4

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.88 AU - 2.3 AU

Year: 1951 Days

Day: 10.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,999,138 km

• M1: 179,069 km (0.108 R)
• M2: 657,632 km (0.099 R)
• M3: 1,203,814 km (0.093 R)
• M4: 1,803,253 km (0.101 R)
• M5: 2,417,053 km (0.081 R)
• M6: 4,319,040 km (0.105 R)
• M7: 6,434,354 km (0.088 R)
• M8: 7,858,227 km (0.054 R)
• M9: 8,918,576 km (0.061 R)
• M10: 9,541,203 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.1

Radius: 13.6

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.61 AU - 2.59 AU

Year: 1965 Days

Day: 7.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,999,138 km

• M1: 169,943 km (0.105 R)
• M2: 657,333 km (0.04 R)
• M3: 1,158,636 km (0.096 R)
• M4: 1,854,864 km (0.036 R)
• M5: 2,465,074 km (0.062 R)
• M6: 2,969,817 km (0.116 R)
• M7: 3,904,355 km (0.1 R)
• M8: 4,450,985 km (0.106 R)
• M9: 4,960,067 km (0.105 R)
• M10: 5,870,819 km (0.111 R)
• M11: 6,353,571 km (0.11 R)
• M12: 6,862,653 km (0.05 R)
• M13: 7,486,326 km (0.046 R)
• M14: 8,397,377 km (0.078 R)
• M15: 8,847,218 km (0.07 R)
• M16: 10,007,499 km (0.071 R)
• M17: 12,015,103 km (0.045 R)
• M18: 14,143,431 km (0.058 R)
• M19: 15,535,290 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.6

Radius: 13.3

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.9 AU - 2.66 AU

Year: 2223 Days

Day: 6.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,999,138 km

• M1: 165,455 km (0.101 R)
• M2: 598,242 km (0.094 R)
• M3: 1,170,454 km (0.025 R)
• M4: 1,713,045 km (0.116 R)
• M5: 2,747,215 km (0.043 R)
• M6: 3,534,250 km (0.117 R)
• M7: 4,127,405 km (0.056 R)
• M8: 4,615,394 km (0.075 R)
• M9: 5,162,174 km (0.11 R)
• M10: 7,529,859 km (0.049 R)
• M11: 8,346,364 km (0.104 R)
• M12: 10,318,064 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.7

Radius: 9.6

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.69 AU - 4.11 AU

Year: 4048 Days

Day: 13.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,999,138 km

• M1: 120,426 km (0.092 R)
• M2: 755,320 km (0.118 R)
• M3: 1,916,050 km (0.097 R)
• M4: 2,240,228 km (0.059 R)
• M5: 3,063,465 km (0.062 R)
• M6: 3,390,337 km (0.09 R)
• M7: 4,018,947 km (0.06 R)
• M8: 6,018,771 km (0.098 R)
• M9: 6,534,435 km (0.099 R)
• M10: 7,051,445 km (0.105 R)
• M11: 8,167,146 km (0.09 R)
• M12: 8,832,258 km (0.117 R)
• M13: 10,055,819 km (0.086 R)
• M14: 14,402,236 km (0.063 R)
• M15: 14,905,184 km (0.12 R)
• M16: 16,833,650 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839

Radius: 8.5

Gravity: 11.61 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 3.5 AU - 5.12 AU

Year: 5777 Days

Day: 9.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,999,138 km

• M1: 105,766 km (0.062 R)
• M2: 560,244 km (0.1 R)
• M3: 843,283 km (0.098 R)
• M4: 1,193,342 km (0.111 R)
• M5: 1,487,601 km (0.114 R)
• M6: 2,514,740 km (0.097 R)
• M7: 2,867,193 km (0.079 R)
• M8: 3,446,735 km (0.105 R)
• M9: 4,512,769 km (0.081 R)
• M10: 5,356,501 km (0.078 R)
• M11: 6,301,362 km (0.104 R)
• M12: 7,026,163 km (0.112 R)
• M13: 7,921,357 km (0.025 R)
• M14: 8,315,996 km (0.088 R)
• M15: 10,536,477 km (0.097 R)
• M16: 12,587,165 km (0.034 R)
• M17: 12,908,202 km (0.095 R)
• M18: 17,394,941 km (0.053 R)
• M19: 19,377,562 km (0.094 R)
• M20: 21,128,455 km (0.071 R)
• M21: 24,525,075 km (0.091 R)
• M22: 30,133,649 km (0.113 R)
• M23: 31,290,938 km (0.118 R)
• M24: 34,417,384 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.2

Radius: 11.1

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 5.05 AU - 5.65 AU

Year: 7990 Days

Day: 7.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,999,138 km

• M1: 138,079 km (0.061 R)
• M2: 496,815 km (0.028 R)
• M3: 883,226 km (0.104 R)
• M4: 1,261,708 km (0.085 R)
• M5: 1,637,797 km (0.116 R)
• M6: 2,275,533 km (0.094 R)
• M7: 3,051,049 km (0.106 R)
• M8: 4,340,133 km (0.106 R)
• M9: 4,822,437 km (0.08 R)
• M10: 5,403,475 km (0.112 R)
• M11: 6,596,069 km (0.11 R)
• M12: 7,004,920 km (0.055 R)
• M13: 8,123,015 km (0.09 R)
• M14: 9,921,331 km (0.107 R)
• M15: 11,487,321 km (0.04 R)
• M16: 19,491,107 km (0.045 R)
• M17: 21,607,617 km (0.086 R)
• M18: 22,097,999 km (0.106 R)
• M19: 24,840,128 km (0.108 R)
• M20: 25,741,605 km (0.104 R)
• M21: 29,968,792 km (0.033 R)
• M22: 31,093,768 km (0.111 R)
• M23: 35,990,256 km (0.107 R)
• M24: 36,448,923 km (0.1 R)
• M25: 37,027,717 km (0.111 R)
• M26: 42,771,826 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 131.1

Radius: 3.7

Gravity: 9.58 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 6.21 AU - 7.91 AU

Year: 12112 Days

Day: 19.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,999,138 km

• M1: 141,520 km (0.109 R)
• M2: 763,996 km (0.068 R)
• M3: 1,344,286 km (0.097 R)
• M4: 3,238,046 km (0.059 R)
• M5: 3,824,320 km (0.112 R)
• M6: 4,685,705 km (0.061 R)
• M7: 8,032,957 km (0.084 R)
• M8: 9,642,181 km (0.079 R)
• M9: 10,075,566 km (0.101 R)
• M10: 12,389,247 km (0.102 R)
• M11: 12,797,799 km (0.096 R)
• M12: 14,298,564 km (0.112 R)
• M13: 16,887,804 km (0.111 R)
• M14: 17,137,633 km (0.081 R)
• M15: 21,042,137 km (0.062 R)
• M16: 21,550,172 km (0.114 R)
• M17: 25,911,698 km (0.087 R)
• M18: 27,258,078 km (0.051 R)
• M19: 29,184,301 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 235.6

Radius: 7

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 5.9 AU - 9.7 AU

Year: 14066 Days

Day: 23.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,999,138 km

• M1: 140,024 km (0.066 R)
• M2: 493,673 km (0.06 R)
• M3: 818,001 km (0.089 R)
• M4: 1,050,775 km (0.12 R)
• M5: 1,504,805 km (0.101 R)
• M6: 2,986,721 km (0.057 R)
• M7: 4,050,213 km (0.082 R)
• M8: 8,727,989 km (0.095 R)
• M9: 9,265,943 km (0.105 R)
• M10: 11,588,001 km (0.064 R)
• M11: 19,369,633 km (0.095 R)
• M12: 19,595,675 km (0.114 R)
• M13: 20,052,847 km (0.097 R)
• M14: 20,284,125 km (0.106 R)
• M15: 22,198,828 km (0.059 R)
• M16: 28,856,382 km (0.098 R)
• M17: 29,647,306 km (0.092 R)
• M18: 30,452,442 km (0.097 R)
• M19: 31,896,510 km (0.076 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 344.1

Radius: 5.2

Gravity: 12.73 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 7.41 AU - 8.57 AU

Year: 14583 Days

Day: 19.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 48,999,138 km

• M1: 66,272 km (0.108 R)
• M2: 265,087 km (0.071 R)
• M3: 622,028 km (0.114 R)
• M4: 811,120 km (0.109 R)
• M5: 1,221,467 km (0.084 R)
• M6: 2,291,091 km (0.085 R)
• M7: 2,857,170 km (0.103 R)
• M8: 3,511,810 km (0.069 R)
• M9: 4,064,873 km (0.035 R)
• M10: 4,494,219 km (0.074 R)
• M11: 4,827,822 km (0.063 R)
• M12: 5,786,595 km (0.118 R)
• M13: 6,404,285 km (0.097 R)
• M14: 6,748,659 km (0.081 R)
• M15: 7,105,300 km (0.118 R)
• M16: 7,516,096 km (0.105 R)
• M17: 8,295,352 km (0.068 R)
• M18: 8,520,945 km (0.113 R)
• M19: 9,174,837 km (0.062 R)
• M20: 16,563,027 km (0.066 R)
• M21: 17,801,847 km (0.117 R)
• M22: 22,492,040 km (0.067 R)
• M23: 24,652,233 km (0.12 R)
• M24: 25,496,863 km (0.116 R)
• M25: 27,243,418 km (0.084 R)
• M26: 29,589,262 km (0.084 R)
• M27: 34,678,432 km (0.108 R)
• M28: 35,856,964 km (0.039 R)
• M29: 37,428,639 km (0.082 R)
• M30: 41,229,921 km (0.103 R)
• M31: 44,038,771 km (0.108 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 547 - 19,544 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit