🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.7

Radius: 9.8

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.42 AU - 1.82 AU

Year: 1331 Days

Day: 6.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,877,761 km

• M1: 121,922 km (0.076 R)
• M2: 466,446 km (0.087 R)
• M3: 885,769 km (0.101 R)
• M4: 1,329,775 km (0.112 R)
• M5: 1,693,298 km (0.077 R)
• M6: 2,613,176 km (0.119 R)
• M7: 3,012,004 km (0.103 R)
• M8: 3,392,132 km (0.039 R)
• M9: 3,820,131 km (0.113 R)
• M10: 4,370,801 km (0.116 R)
• M11: 5,225,603 km (0.118 R)
• M12: 6,299,417 km (0.068 R)
• M13: 6,641,697 km (0.111 R)
• M14: 8,217,561 km (0.106 R)
• M15: 8,935,481 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.1

Radius: 10.3

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.58 AU - 2.28 AU

Year: 1731 Days

Day: 10.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,877,761 km

• M1: 128,056 km (0.117 R)
• M2: 564,283 km (0.12 R)
• M3: 946,805 km (0.079 R)
• M4: 1,345,334 km (0.067 R)
• M5: 1,729,800 km (0.097 R)
• M6: 2,080,458 km (0.119 R)
• M7: 2,796,732 km (0.087 R)
• M8: 3,652,133 km (0.118 R)
• M9: 4,551,216 km (0.082 R)
• M10: 5,947,263 km (0.102 R)
• M11: 6,651,869 km (0.115 R)
• M12: 7,243,828 km (0.112 R)
• M13: 7,899,815 km (0.076 R)
• M14: 9,005,642 km (0.049 R)
• M15: 10,211,551 km (0.08 R)
• M16: 10,999,782 km (0.084 R)
• M17: 11,408,782 km (0.112 R)
• M18: 12,456,117 km (0.105 R)
• M19: 14,167,068 km (0.085 R)
• M20: 14,965,771 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.6

Radius: 12

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.83 AU - 2.53 AU

Year: 2078 Days

Day: 7.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 30,877,761 km

• M1: 152,291 km (0.088 R)
• M2: 535,411 km (0.108 R)
• M3: 1,035,217 km (0.113 R)
• M4: 1,960,630 km (0.082 R)
• M5: 2,363,796 km (0.1 R)
• M6: 2,868,539 km (0.093 R)
• M7: 3,272,603 km (0.118 R)
• M8: 4,018,648 km (0.088 R)
• M9: 5,406,467 km (0.106 R)
• M10: 8,340,979 km (0.088 R)
• M11: 9,240,660 km (0.111 R)
• M12: 10,351,873 km (0.054 R)
• M13: 10,767,008 km (0.118 R)
• M14: 11,792,651 km (0.052 R)
• M15: 12,667,648 km (0.11 R)
• M16: 13,142,921 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.5

Radius: 9.5

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.31 AU - 3.57 AU

Year: 3255 Days

Day: 8.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 30,877,761 km

• M1: 118,182 km (0.103 R)
• M2: 419,921 km (0.097 R)
• M3: 1,034,619 km (0.037 R)
• M4: 1,912,160 km (0.09 R)
• M5: 3,992,767 km (0.109 R)
• M6: 5,412,750 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.5

Radius: 12.4

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.88 AU - 5.04 AU

Year: 6082 Days

Day: 12.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 30,877,761 km

• M1: 154,834 km (0.103 R)
• M2: 571,165 km (0.047 R)
• M3: 1,040,304 km (0.069 R)
• M4: 1,530,985 km (0.027 R)
• M5: 2,659,850 km (0.097 R)
• M6: 3,824,769 km (0.088 R)
• M7: 4,640,526 km (0.119 R)
• M8: 6,254,089 km (0.112 R)
• M9: 7,459,399 km (0.105 R)
• M10: 8,253,614 km (0.059 R)
• M11: 8,773,018 km (0.085 R)
• M12: 9,921,630 km (0.104 R)
• M13: 11,264,420 km (0.067 R)
• M14: 11,704,986 km (0.092 R)
• M15: 13,419,378 km (0.115 R)
• M16: 13,859,046 km (0.115 R)
• M17: 16,765,733 km (0.039 R)
• M18: 17,535,264 km (0.111 R)
• M19: 19,492,154 km (0.058 R)
• M20: 21,071,010 km (0.115 R)
• M21: 22,888,923 km (0.11 R)
• M22: 23,836,027 km (0.07 R)
• M23: 25,640,177 km (0.108 R)
• M24: 28,334,585 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.2

Radius: 8.1

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 4.13 AU - 5.11 AU

Year: 6412 Days

Day: 8.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,877,761 km

• M1: 118,631 km (0.109 R)
• M2: 470,635 km (0.111 R)
• M3: 1,454,690 km (0.116 R)
• M4: 2,079,560 km (0.095 R)
• M5: 2,357,962 km (0.081 R)
• M6: 4,566,325 km (0.082 R)
• M7: 4,870,757 km (0.115 R)
• M8: 5,238,768 km (0.04 R)
• M9: 9,815,415 km (0.097 R)
• M10: 11,015,041 km (0.082 R)
• M11: 12,671,388 km (0.105 R)
• M12: 14,941,686 km (0.063 R)
• M13: 15,249,708 km (0.057 R)
• M14: 15,931,874 km (0.063 R)
• M15: 20,521,686 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 187

Radius: 6

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 5.82 AU - 6.52 AU

Year: 9896 Days

Day: 16.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 135.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,877,761 km

• M1: 78,539 km (0.079 R)
• M2: 324,777 km (0.118 R)
• M3: 708,196 km (0.099 R)
• M4: 1,212,042 km (0.098 R)
• M5: 2,472,853 km (0.075 R)
• M6: 3,375,826 km (0.091 R)
• M7: 3,720,798 km (0.066 R)
• M8: 5,455,236 km (0.107 R)
• M9: 5,991,844 km (0.055 R)
• M10: 6,241,522 km (0.043 R)
• M11: 9,011,177 km (0.112 R)
• M12: 10,105,935 km (0.067 R)
• M13: 11,286,860 km (0.052 R)
• M14: 11,523,973 km (0.05 R)
• M15: 16,688,390 km (0.118 R)
• M16: 17,879,190 km (0.088 R)
• M17: 18,462,472 km (0.082 R)
• M18: 21,281,494 km (0.108 R)
• M19: 22,232,039 km (0.114 R)
• M20: 25,091,901 km (0.073 R)
• M21: 29,782,094 km (0.084 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 14,585 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit