🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.1

Radius: 9.5

Gravity: 7.82 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.63 AU - 0.91 AU

Year: 443 Days

Day: 12.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,274,482 km

• M1: 118,182 km (0.088 R)
• M2: 414,536 km (0.119 R)
• M3: 988,393 km (0.113 R)
• M4: 1,514,828 km (0.078 R)
• M5: 2,054,577 km (0.074 R)
• M6: 2,469,562 km (0.082 R)
• M7: 3,220,094 km (0.098 R)
• M8: 3,542,777 km (0.11 R)
• M9: 3,966,588 km (0.074 R)
• M10: 4,525,635 km (0.075 R)
• M11: 5,852,867 km (0.029 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.3

Radius: 14.7

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.75 AU - 1.17 AU

Year: 617 Days

Day: 8.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,274,482 km

• M1: 182,958 km (0.102 R)
• M2: 829,670 km (0.107 R)
• M3: 1,337,106 km (0.091 R)
• M4: 1,822,551 km (0.078 R)
• M5: 2,305,752 km (0.034 R)
• M6: 2,800,622 km (0.104 R)
• M7: 3,307,160 km (0.09 R)
• M8: 4,582,482 km (0.104 R)
• M9: 5,127,916 km (0.081 R)
• M10: 6,164,779 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.1

Radius: 13.2

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.79 AU - 1.19 AU

Year: 646 Days

Day: 10.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,274,482 km

• M1: 164,707 km (0.087 R)
• M2: 583,132 km (0.025 R)
• M3: 1,203,216 km (0.1 R)
• M4: 1,785,151 km (0.061 R)
• M5: 2,308,594 km (0.064 R)
• M6: 2,802,417 km (0.117 R)
• M7: 3,516,448 km (0.072 R)
• M8: 5,293,670 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.1

Radius: 11.8

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.69 AU - 2.49 AU

Year: 1982 Days

Day: 7.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,274,482 km

• M1: 146,756 km (0.081 R)
• M2: 570,566 km (0.081 R)
• M3: 960,867 km (0.11 R)
• M4: 1,425,967 km (0.061 R)
• M5: 2,029,146 km (0.081 R)
• M6: 2,498,883 km (0.12 R)
• M7: 3,009,610 km (0.093 R)
• M8: 3,732,168 km (0.074 R)
• M9: 4,125,311 km (0.092 R)
• M10: 4,799,698 km (0.103 R)
• M11: 5,289,033 km (0.106 R)
• M12: 5,665,720 km (0.108 R)
• M13: 6,447,070 km (0.119 R)
• M14: 7,016,290 km (0.087 R)
• M15: 7,559,779 km (0.116 R)
• M16: 8,927,103 km (0.07 R)
• M17: 10,307,443 km (0.105 R)
• M18: 13,400,977 km (0.119 R)
• M19: 16,562,429 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878

Radius: 14.5

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.97 AU - 2.51 AU

Year: 2199 Days

Day: 10.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,274,482 km

• M1: 182,958 km (0.06 R)
• M2: 667,655 km (0.086 R)
• M3: 1,447,210 km (0.114 R)
• M4: 2,021,217 km (0.1 R)
• M5: 2,543,313 km (0.11 R)
• M6: 3,238,943 km (0.053 R)
• M7: 5,558,010 km (0.103 R)
• M8: 7,580,722 km (0.05 R)
• M9: 8,203,199 km (0.118 R)
• M10: 8,692,235 km (0.097 R)
• M11: 9,444,862 km (0.046 R)
• M12: 10,770,000 km (0.062 R)
• M13: 11,598,323 km (0.09 R)
• M14: 12,639,524 km (0.114 R)
• M15: 14,433,951 km (0.104 R)
• M16: 15,441,492 km (0.115 R)
• M17: 16,961,407 km (0.112 R)
• M18: 17,596,599 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.2

Radius: 14.7

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.39 AU - 2.51 AU

Year: 2516 Days

Day: 13.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 39,274,482 km

• M1: 183,108 km (0.083 R)
• M2: 886,367 km (0.047 R)
• M3: 1,444,816 km (0.116 R)
• M4: 4,691,988 km (0.097 R)
• M5: 5,685,766 km (0.094 R)
• M6: 10,340,803 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183

Radius: 9.5

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.53 AU - 2.83 AU

Year: 2878 Days

Day: 5.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 79.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,274,482 km

• M1: 118,182 km (0.104 R)
• M2: 563,535 km (0.104 R)
• M3: 1,030,729 km (0.111 R)
• M4: 1,416,542 km (0.084 R)
• M5: 1,736,083 km (0.058 R)
• M6: 2,301,414 km (0.106 R)
• M7: 3,013,799 km (0.085 R)
• M8: 4,519,352 km (0.068 R)
• M9: 5,393,153 km (0.092 R)
• M10: 5,836,112 km (0.08 R)
• M11: 6,448,267 km (0.066 R)
• M12: 7,446,084 km (0.085 R)
• M13: 9,208,497 km (0.039 R)
• M14: 9,585,484 km (0.091 R)
• M15: 10,236,683 km (0.045 R)
• M16: 10,573,129 km (0.104 R)
• M17: 10,882,348 km (0.111 R)
• M18: 11,518,886 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.4

Radius: 13.2

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.57 AU - 2.89 AU

Year: 2959 Days

Day: 13.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,274,482 km

• M1: 171,140 km (0.103 R)
• M2: 826,528 km (0.108 R)
• M3: 1,252,583 km (0.102 R)
• M4: 2,363,796 km (0.107 R)
• M5: 2,883,649 km (0.064 R)
• M6: 3,631,339 km (0.116 R)
• M7: 7,978,354 km (0.114 R)
• M8: 8,871,303 km (0.076 R)
• M9: 9,944,668 km (0.05 R)
• M10: 10,613,071 km (0.091 R)
• M11: 11,437,655 km (0.075 R)
• M12: 12,215,863 km (0.089 R)
• M13: 13,782,003 km (0.081 R)
• M14: 19,161,842 km (0.098 R)
• M15: 19,644,744 km (0.045 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 395.4

Radius: 4.1

Gravity: 23.52 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 4.91 AU - 7.19 AU

Year: 9762 Days

Day: 18 Hours

Environment

Temp: -215 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 39,274,482 km

• M1: 51,013 km (0.092 R)
• M2: 183,407 km (0.118 R)
• M3: 593,156 km (0.084 R)
• M4: 772,673 km (0.067 R)
• M5: 902,823 km (0.105 R)
• M6: 1,099,395 km (0.074 R)
• M7: 1,253,780 km (0.069 R)
• M8: 1,552,228 km (0.082 R)
• M9: 1,865,785 km (0.111 R)
• M10: 2,070,135 km (0.11 R)
• M11: 2,449,964 km (0.059 R)
• M12: 3,019,633 km (0.11 R)
• M13: 3,147,838 km (0.116 R)
• M14: 4,020,144 km (0.067 R)
• M15: 4,750,929 km (0.113 R)
• M16: 5,502,808 km (0.057 R)
• M17: 6,057,367 km (0.098 R)
• M18: 8,106,709 km (0.066 R)
• M19: 8,396,779 km (0.07 R)
• M20: 9,263,998 km (0.058 R)
• M21: 10,576,121 km (0.092 R)
• M22: 11,430,474 km (0.107 R)
• M23: 12,824,577 km (0.043 R)
• M24: 14,508,899 km (0.083 R)
• M25: 15,247,015 km (0.108 R)
• M26: 16,204,441 km (0.038 R)
• M27: 18,238,374 km (0.093 R)
• M28: 20,436,116 km (0.108 R)
• M29: 24,054,141 km (0.054 R)
• M30: 25,173,731 km (0.094 R)
• M31: 26,598,801 km (0.1 R)
• M32: 27,423,683 km (0.079 R)
• M33: 29,803,935 km (0.075 R)
• M34: 30,395,146 km (0.042 R)
• M35: 37,994,269 km (0.072 R)
• M36: 38,572,614 km (0.065 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: 415 - 16,106 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit