🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.9

Radius: 11.4

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.85 AU - 0.99 AU

Year: 588 Days

Day: 11.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,272,011 km

• M1: 141,819 km (0.109 R)
• M2: 623,973 km (0.093 R)
• M3: 1,046,736 km (0.062 R)
• M4: 1,408,165 km (0.109 R)
• M5: 1,903,035 km (0.063 R)
• M6: 2,330,136 km (0.058 R)
• M7: 3,213,362 km (0.114 R)
• M8: 3,758,647 km (0.092 R)
• M9: 4,235,714 km (0.107 R)
• M10: 4,616,141 km (0.093 R)
• M11: 5,067,478 km (0.117 R)
• M12: 5,950,704 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.8

Radius: 12.8

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.84 AU - 1.1 AU

Year: 637 Days

Day: 5 Hours

Environment

Temp: -176 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,272,011 km

• M1: 159,322 km (0.036 R)
• M2: 578,495 km (0.116 R)
• M3: 1,037,611 km (0.11 R)
• M4: 1,556,566 km (0.097 R)
• M5: 2,379,803 km (0.081 R)
• M6: 3,159,208 km (0.115 R)
• M7: 4,102,572 km (0.068 R)
• M8: 4,633,046 km (0.093 R)
• M9: 5,076,903 km (0.07 R)
• M10: 5,760,565 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.4

Radius: 13

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.24 AU - 1.32 AU

Year: 966 Days

Day: 5.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,272,011 km

• M1: 162,912 km (0.118 R)
• M2: 831,764 km (0.078 R)
• M3: 1,335,759 km (0.052 R)
• M4: 2,343,750 km (0.1 R)
• M5: 3,501,189 km (0.026 R)
• M6: 4,016,852 km (0.082 R)
• M7: 5,182,669 km (0.037 R)
• M8: 5,770,887 km (0.108 R)
• M9: 7,652,978 km (0.116 R)
• M10: 8,095,040 km (0.091 R)
• M11: 10,006,602 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.1

Radius: 8.3

Gravity: 10.98 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.85 AU - 1.97 AU

Year: 1760 Days

Day: 7.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,272,011 km

• M1: 103,223 km (0.098 R)
• M2: 559,197 km (0.119 R)
• M3: 886,068 km (0.101 R)
• M4: 1,176,288 km (0.089 R)
• M5: 1,437,785 km (0.119 R)
• M6: 1,966,464 km (0.079 R)
• M7: 5,049,227 km (0.076 R)
• M8: 5,404,522 km (0.114 R)
• M9: 6,190,210 km (0.083 R)
• M10: 6,571,685 km (0.114 R)
• M11: 8,593,949 km (0.085 R)
• M12: 8,940,717 km (0.111 R)
• M13: 9,595,058 km (0.095 R)
• M14: 10,280,964 km (0.051 R)
• M15: 10,889,229 km (0.085 R)
• M16: 12,415,277 km (0.1 R)
• M17: 12,981,654 km (0.083 R)
• M18: 13,480,563 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.1

Radius: 8

Gravity: 10.61 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.2 AU - 2.96 AU

Year: 2763 Days

Day: 5.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,272,011 km

• M1: 99,632 km (0.115 R)
• M2: 496,665 km (0.068 R)
• M3: 798,553 km (0.079 R)
• M4: 1,189,303 km (0.049 R)
• M5: 1,500,467 km (0.087 R)
• M6: 1,806,693 km (0.106 R)
• M7: 2,063,553 km (0.107 R)
• M8: 2,345,096 km (0.079 R)
• M9: 2,744,822 km (0.056 R)
• M10: 3,154,869 km (0.07 R)
• M11: 4,978,617 km (0.096 R)
• M12: 5,315,063 km (0.1 R)
• M13: 5,640,887 km (0.081 R)
• M14: 5,953,546 km (0.078 R)
• M15: 6,388,427 km (0.071 R)
• M16: 7,884,855 km (0.108 R)
• M17: 9,311,570 km (0.096 R)
• M18: 10,123,886 km (0.099 R)
• M19: 11,184,535 km (0.073 R)
• M20: 13,524,844 km (0.09 R)
• M21: 15,105,645 km (0.114 R)
• M22: 18,458,732 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679

Radius: 9.8

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.91 AU - 3.31 AU

Year: 3657 Days

Day: 11.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,272,011 km

• M1: 123,269 km (0.117 R)
• M2: 1,077,703 km (0.056 R)
• M3: 1,975,739 km (0.108 R)
• M4: 2,679,298 km (0.114 R)
• M5: 4,190,236 km (0.115 R)
• M6: 4,891,701 km (0.057 R)
• M7: 5,427,710 km (0.102 R)
• M8: 7,469,272 km (0.117 R)
• M9: 9,818,108 km (0.059 R)
• M10: 13,778,113 km (0.068 R)
• M11: 16,303,176 km (0.09 R)
• M12: 18,813,877 km (0.112 R)
• M13: 19,121,600 km (0.055 R)
• M14: 21,976,825 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 855.2

Radius: 5.7

Gravity: 26.32 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 5.4 AU - 7.86 AU

Year: 11384 Days

Day: 21.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 56,272,011 km

• M1: 71,358 km (0.064 R)
• M2: 305,479 km (0.106 R)
• M3: 534,064 km (0.102 R)
• M4: 1,081,593 km (0.106 R)
• M5: 1,304,643 km (0.072 R)
• M6: 1,618,799 km (0.065 R)
• M7: 2,090,630 km (0.109 R)
• M8: 3,228,322 km (0.042 R)
• M9: 3,430,429 km (0.069 R)
• M10: 3,804,274 km (0.084 R)
• M11: 4,858,340 km (0.082 R)
• M12: 6,443,031 km (0.098 R)
• M13: 6,887,336 km (0.119 R)
• M14: 9,940,629 km (0.102 R)
• M15: 10,478,882 km (0.095 R)
• M16: 10,755,189 km (0.054 R)
• M17: 11,093,281 km (0.06 R)
• M18: 12,640,122 km (0.062 R)
• M19: 15,434,012 km (0.118 R)
• M20: 18,293,725 km (0.06 R)
• M21: 20,786,774 km (0.071 R)
• M22: 26,638,743 km (0.104 R)
• M23: 28,845,910 km (0.107 R)
• M24: 29,607,812 km (0.114 R)
• M25: 31,628,730 km (0.081 R)
• M26: 33,859,683 km (0.041 R)
• M27: 34,100,386 km (0.038 R)
• M28: 36,319,072 km (0.112 R)
• M29: 37,850,505 km (0.087 R)
• M30: 40,497,640 km (0.102 R)
• M31: 46,157,226 km (0.119 R)
• M32: 51,682,025 km (0.12 R)
• M33: 54,437,768 km (0.11 R)
• M34: 55,266,390 km (0.066 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 156 - 10,834 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit