🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.3

Radius: 8.8

Gravity: 8.44 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.96 AU - 1.16 AU

Year: 716 Days

Day: 10.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,589,413 km

• M1: 109,506 km (0.11 R)
• M2: 422,165 km (0.065 R)
• M3: 725,550 km (0.105 R)
• M4: 1,136,944 km (0.114 R)
• M5: 1,451,997 km (0.107 R)
• M6: 1,985,313 km (0.119 R)
• M7: 2,313,381 km (0.12 R)
• M8: 2,826,951 km (0.114 R)
• M9: 3,104,904 km (0.09 R)
• M10: 3,387,943 km (0.111 R)
• M11: 4,141,916 km (0.066 R)
• M12: 4,469,984 km (0.098 R)
• M13: 4,968,893 km (0.116 R)
• M14: 5,979,576 km (0.097 R)
• M15: 6,338,462 km (0.092 R)
• M16: 6,925,334 km (0.025 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.9

Radius: 9.1

Gravity: 11.7 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.5 AU - 1.72 AU

Year: 1340 Days

Day: 9.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,589,413 km

• M1: 115,938 km (0.086 R)
• M2: 443,558 km (0.093 R)
• M3: 770,728 km (0.063 R)
• M4: 1,370,017 km (0.102 R)
• M5: 2,078,513 km (0.12 R)
• M6: 2,438,595 km (0.049 R)
• M7: 3,270,209 km (0.108 R)
• M8: 3,846,460 km (0.112 R)
• M9: 4,547,027 km (0.047 R)
• M10: 5,200,920 km (0.053 R)
• M11: 5,708,505 km (0.104 R)
• M12: 6,978,441 km (0.119 R)
• M13: 9,444,862 km (0.085 R)
• M14: 9,966,809 km (0.067 R)
• M15: 10,750,701 km (0.118 R)
• M16: 11,139,805 km (0.087 R)
• M17: 11,574,986 km (0.029 R)
• M18: 12,021,535 km (0.111 R)
• M19: 12,673,632 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.5

Radius: 10.2

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.22 AU - 3.46 AU

Year: 3140 Days

Day: 14.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,589,413 km

• M1: 127,009 km (0.084 R)
• M2: 644,318 km (0.084 R)
• M3: 1,098,198 km (0.046 R)
• M4: 1,739,075 km (0.1 R)
• M5: 2,088,386 km (0.046 R)
• M6: 2,642,796 km (0.106 R)
• M7: 3,502,236 km (0.115 R)
• M8: 4,287,176 km (0.044 R)
• M9: 5,255,523 km (0.025 R)
• M10: 6,390,671 km (0.036 R)
• M11: 8,634,490 km (0.077 R)
• M12: 9,807,188 km (0.114 R)
• M13: 10,394,509 km (0.092 R)
• M14: 12,214,068 km (0.087 R)
• M15: 12,550,962 km (0.071 R)
• M16: 13,199,469 km (0.055 R)
• M17: 13,689,103 km (0.034 R)
• M18: 14,704,723 km (0.087 R)
• M19: 16,018,940 km (0.112 R)
• M20: 16,833,800 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.3

Radius: 10.4

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.88 AU - 4.8 AU

Year: 4936 Days

Day: 12.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 35,589,413 km

• M1: 130,898 km (0.047 R)
• M2: 486,193 km (0.115 R)
• M3: 826,229 km (0.11 R)
• M4: 1,230,891 km (0.09 R)
• M5: 1,569,132 km (0.108 R)
• M6: 1,998,628 km (0.062 R)
• M7: 2,473,002 km (0.103 R)
• M8: 5,165,016 km (0.107 R)
• M9: 6,033,133 km (0.108 R)
• M10: 6,663,987 km (0.071 R)
• M11: 7,063,413 km (0.061 R)
• M12: 7,513,852 km (0.077 R)
• M13: 7,983,590 km (0.082 R)
• M14: 8,942,063 km (0.094 R)
• M15: 10,191,205 km (0.076 R)
• M16: 11,600,716 km (0.067 R)
• M17: 12,981,804 km (0.066 R)
• M18: 16,305,420 km (0.054 R)
• M19: 16,787,723 km (0.07 R)
• M20: 18,421,033 km (0.065 R)
• M21: 20,783,632 km (0.086 R)
• M22: 22,074,063 km (0.07 R)
• M23: 28,548,510 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.6

Radius: 12.7

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.58 AU - 4.52 AU

Year: 5347 Days

Day: 7.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 35,589,413 km

• M1: 157,975 km (0.096 R)
• M2: 853,905 km (0.085 R)
• M3: 2,101,102 km (0.045 R)
• M4: 2,524,314 km (0.119 R)
• M5: 3,635,527 km (0.105 R)
• M6: 6,529,498 km (0.12 R)
• M7: 6,976,347 km (0.068 R)
• M8: 7,591,494 km (0.112 R)
• M9: 8,888,956 km (0.115 R)
• M10: 9,877,349 km (0.111 R)
• M11: 10,329,284 km (0.025 R)
• M12: 10,889,827 km (0.04 R)
• M13: 12,123,262 km (0.118 R)
• M14: 13,723,809 km (0.094 R)
• M15: 14,925,080 km (0.115 R)
• M16: 17,866,474 km (0.087 R)
• M17: 21,548,975 km (0.081 R)
• M18: 22,311,026 km (0.095 R)
• M19: 25,204,100 km (0.074 R)
• M20: 26,307,683 km (0.035 R)
• M21: 28,338,773 km (0.079 R)
• M22: 30,093,706 km (0.057 R)
• M23: 32,512,105 km (0.042 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.8

Radius: 12.9

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 4.95 AU - 5.67 AU

Year: 8027 Days

Day: 10 Hours

Environment

Temp: -228 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,589,413 km

• M1: 162,463 km (0.047 R)
• M2: 584,928 km (0.061 R)
• M3: 1,206,357 km (0.074 R)
• M4: 1,649,616 km (0.108 R)
• M5: 2,381,000 km (0.058 R)
• M6: 2,804,062 km (0.093 R)
• M7: 3,383,006 km (0.046 R)
• M8: 4,089,258 km (0.115 R)
• M9: 4,491,078 km (0.095 R)
• M10: 4,919,376 km (0.107 R)
• M11: 5,493,234 km (0.093 R)
• M12: 5,921,233 km (0.075 R)
• M13: 6,673,262 km (0.112 R)
• M14: 7,451,171 km (0.091 R)
• M15: 8,447,493 km (0.114 R)
• M16: 12,278,844 km (0.118 R)
• M17: 13,067,823 km (0.094 R)
• M18: 14,058,909 km (0.071 R)
• M19: 14,630,821 km (0.034 R)
• M20: 19,078,815 km (0.118 R)
• M21: 20,864,714 km (0.065 R)
• M22: 29,686,351 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375

Radius: 12.4

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 5.24 AU - 5.92 AU

Year: 8647 Days

Day: 14.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 35,589,413 km

• M1: 155,432 km (0.06 R)
• M2: 557,850 km (0.099 R)
• M3: 1,474,586 km (0.081 R)
• M4: 2,321,460 km (0.045 R)
• M5: 2,798,378 km (0.109 R)
• M6: 3,492,063 km (0.113 R)
• M7: 4,247,084 km (0.075 R)
• M8: 5,079,446 km (0.094 R)
• M9: 5,765,053 km (0.094 R)
• M10: 7,618,421 km (0.098 R)
• M11: 8,276,652 km (0.093 R)
• M12: 9,014,618 km (0.049 R)
• M13: 10,434,601 km (0.073 R)
• M14: 11,100,760 km (0.104 R)
• M15: 12,152,882 km (0.041 R)
• M16: 12,998,260 km (0.109 R)
• M17: 14,513,387 km (0.088 R)
• M18: 16,457,860 km (0.078 R)
• M19: 19,266,261 km (0.108 R)
• M20: 20,562,377 km (0.097 R)
• M21: 21,081,930 km (0.111 R)
• M22: 24,467,330 km (0.065 R)
• M23: 27,122,094 km (0.097 R)
• M24: 28,840,973 km (0.098 R)
• M25: 30,439,576 km (0.11 R)
• M26: 34,328,971 km (0.101 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: 186 - 15,742 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit