🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823

Radius: 8.6

Gravity: 11.13 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.26 AU - 1.28 AU

Year: 988 Days

Day: 7.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,614,633 km

• M1: 107,411 km (0.082 R)
• M2: 431,291 km (0.107 R)
• M3: 761,453 km (0.052 R)
• M4: 1,116,000 km (0.07 R)
• M5: 1,406,818 km (0.041 R)
• M6: 1,721,423 km (0.101 R)
• M7: 2,124,888 km (0.091 R)
• M8: 2,530,448 km (0.087 R)
• M9: 3,068,103 km (0.091 R)
• M10: 3,982,595 km (0.092 R)
• M11: 4,301,537 km (0.093 R)
• M12: 4,784,439 km (0.119 R)
• M13: 5,068,077 km (0.099 R)
• M14: 5,669,161 km (0.12 R)
• M15: 6,073,973 km (0.046 R)
• M16: 6,406,978 km (0.115 R)
• M17: 6,752,249 km (0.112 R)
• M18: 7,355,279 km (0.108 R)
• M19: 7,915,223 km (0.11 R)
• M20: 10,569,389 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23

Radius: 9.9

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.95 AU - 1.97 AU

Year: 1894 Days

Day: 5.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 30,614,633 km

• M1: 123,867 km (0.091 R)
• M2: 831,016 km (0.12 R)
• M3: 1,385,426 km (0.103 R)
• M4: 2,680,943 km (0.084 R)
• M5: 3,596,333 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.2

Radius: 8

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.28 AU - 2.52 AU

Year: 2566 Days

Day: 9.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,614,633 km

• M1: 99,483 km (0.114 R)
• M2: 350,508 km (0.077 R)
• M3: 796,309 km (0.079 R)
• M4: 1,836,015 km (0.088 R)
• M5: 2,130,872 km (0.094 R)
• M6: 2,483,025 km (0.113 R)
• M7: 2,859,414 km (0.076 R)
• M8: 4,203,401 km (0.05 R)
• M9: 6,160,590 km (0.062 R)
• M10: 9,334,907 km (0.109 R)
• M11: 10,179,986 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.3

Radius: 13.8

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.85 AU - 3.51 AU

Year: 3914 Days

Day: 7.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,614,633 km

• M1: 174,581 km (0.108 R)
• M2: 895,493 km (0.087 R)
• M3: 1,931,757 km (0.047 R)
• M4: 3,370,440 km (0.045 R)
• M5: 4,747,189 km (0.057 R)
• M6: 5,694,293 km (0.035 R)
• M7: 6,264,261 km (0.063 R)
• M8: 9,434,390 km (0.113 R)
• M9: 11,155,962 km (0.106 R)
• M10: 14,613,618 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.3

Radius: 10.1

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.12 AU - 3.86 AU

Year: 4500 Days

Day: 10.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 152.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,614,633 km

• M1: 125,662 km (0.087 R)
• M2: 504,893 km (0.052 R)
• M3: 1,633,010 km (0.107 R)
• M4: 2,301,414 km (0.104 R)
• M5: 2,906,836 km (0.053 R)
• M6: 3,577,483 km (0.102 R)
• M7: 4,772,920 km (0.12 R)
• M8: 6,244,514 km (0.064 R)
• M9: 7,738,249 km (0.088 R)
• M10: 8,263,038 km (0.082 R)
• M11: 9,457,278 km (0.117 R)
• M12: 11,127,838 km (0.094 R)
• M13: 11,459,197 km (0.11 R)
• M14: 13,870,864 km (0.076 R)
• M15: 14,449,509 km (0.079 R)
• M16: 15,144,840 km (0.059 R)
• M17: 16,710,082 km (0.11 R)
• M18: 18,727,260 km (0.104 R)
• M19: 19,078,516 km (0.037 R)
• M20: 19,854,929 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.9

Radius: 13.8

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.4 AU - 4.58 AU

Year: 5501 Days

Day: 12.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 30,614,633 km

• M1: 174,132 km (0.094 R)
• M2: 660,475 km (0.068 R)
• M3: 1,200,523 km (0.06 R)
• M4: 3,324,214 km (0.047 R)
• M5: 3,817,588 km (0.047 R)
• M6: 4,786,384 km (0.077 R)
• M7: 6,270,694 km (0.088 R)
• M8: 6,887,037 km (0.048 R)
• M9: 8,122,267 km (0.102 R)
• M10: 8,565,226 km (0.095 R)
• M11: 9,024,492 km (0.087 R)
• M12: 11,274,294 km (0.099 R)
• M13: 12,187,739 km (0.045 R)
• M14: 14,104,835 km (0.094 R)
• M15: 15,045,207 km (0.076 R)
• M16: 15,964,337 km (0.108 R)
• M17: 17,050,866 km (0.099 R)
• M18: 19,657,459 km (0.068 R)
• M19: 20,459,154 km (0.116 R)
• M20: 22,677,392 km (0.027 R)
• M21: 25,821,191 km (0.096 R)
• M22: 29,244,888 km (0.048 R)
• M23: 31,065,494 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.6

Radius: 12

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.68 AU - 5.42 AU

Year: 6699 Days

Day: 10.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,614,633 km

• M1: 149,299 km (0.067 R)
• M2: 760,107 km (0.069 R)
• M3: 1,151,754 km (0.112 R)
• M4: 2,742,428 km (0.083 R)
• M5: 4,345,070 km (0.066 R)
• M6: 5,150,355 km (0.096 R)
• M7: 5,924,674 km (0.11 R)
• M8: 6,446,920 km (0.118 R)
• M9: 8,232,670 km (0.105 R)
• M10: 9,818,258 km (0.047 R)
• M11: 10,216,936 km (0.04 R)
• M12: 11,478,944 km (0.052 R)
• M13: 12,544,230 km (0.036 R)
• M14: 13,540,552 km (0.078 R)
• M15: 14,356,459 km (0.086 R)
• M16: 15,156,957 km (0.108 R)
• M17: 17,951,595 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 63.2

Radius: 3.9

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 7.54 AU - 9.26 AU

Year: 16805 Days

Day: 21.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,614,633 km

• M1: 81,830 km (0.098 R)
• M2: 567,275 km (0.09 R)
• M3: 950,246 km (0.067 R)
• M4: 1,271,133 km (0.09 R)
• M5: 2,581,910 km (0.089 R)
• M6: 3,622,662 km (0.105 R)
• M7: 4,199,212 km (0.032 R)
• M8: 6,358,059 km (0.061 R)
• M9: 10,443,128 km (0.113 R)
• M10: 18,556,120 km (0.12 R)
• M11: 19,968,922 km (0.047 R)
• M12: 21,961,865 km (0.089 R)
• M13: 25,355,343 km (0.098 R)
• M14: 27,345,743 km (0.067 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 453 - 14,197 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit