🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.7

Radius: 11.2

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.63 AU - 0.73 AU

Year: 362 Days

Day: 5.8 Hours

Environment

Temp: -127 °C

Axial Tilt: 165.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 25,645,608 km

• M1: 139,425 km (0.104 R)
• M2: 546,930 km (0.086 R)
• M3: 966,103 km (0.079 R)
• M4: 1,386,473 km (0.106 R)
• M5: 2,162,736 km (0.095 R)
• M6: 3,109,990 km (0.08 R)
• M7: 3,920,511 km (0.072 R)
• M8: 4,273,862 km (0.049 R)
• M9: 4,634,542 km (0.096 R)
• M10: 5,306,984 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.2

Radius: 12.2

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.59 AU - 0.89 AU

Year: 411 Days

Day: 13.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 25,645,608 km

• M1: 151,692 km (0.081 R)
• M2: 561,890 km (0.097 R)
• M3: 1,049,728 km (0.083 R)
• M4: 1,773,632 km (0.073 R)
• M5: 3,260,934 km (0.117 R)
• M6: 3,808,463 km (0.088 R)
• M7: 4,495,566 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.4

Radius: 8.4

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.73 AU - 0.79 AU

Year: 428 Days

Day: 10.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,645,608 km

• M1: 104,719 km (0.084 R)
• M2: 470,784 km (0.117 R)
• M3: 762,052 km (0.101 R)
• M4: 1,109,567 km (0.113 R)
• M5: 1,502,112 km (0.105 R)
• M6: 1,886,728 km (0.112 R)
• M7: 2,209,561 km (0.105 R)
• M8: 2,727,468 km (0.085 R)
• M9: 3,083,362 km (0.067 R)
• M10: 3,534,100 km (0.041 R)
• M11: 3,820,730 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.9

Radius: 12.6

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.02 AU - 1.08 AU

Year: 695 Days

Day: 6.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 25,645,608 km

• M1: 159,172 km (0.116 R)
• M2: 556,055 km (0.102 R)
• M3: 1,207,255 km (0.072 R)
• M4: 1,802,505 km (0.085 R)
• M5: 2,545,408 km (0.097 R)
• M6: 3,944,896 km (0.104 R)
• M7: 4,478,811 km (0.038 R)
• M8: 4,940,320 km (0.114 R)
• M9: 5,636,399 km (0.057 R)
• M10: 7,885,154 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.8

Radius: 12.5

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.21 AU - 1.45 AU

Year: 990 Days

Day: 5 Hours

Environment

Temp: -164 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,645,608 km

• M1: 158,125 km (0.088 R)
• M2: 564,882 km (0.084 R)
• M3: 976,276 km (0.032 R)
• M4: 1,453,643 km (0.108 R)
• M5: 2,441,587 km (0.074 R)
• M6: 3,083,212 km (0.117 R)
• M7: 3,834,941 km (0.058 R)
• M8: 5,662,279 km (0.046 R)
• M9: 6,230,901 km (0.059 R)
• M10: 8,064,223 km (0.098 R)
• M11: 8,486,388 km (0.115 R)
• M12: 9,204,009 km (0.103 R)
• M13: 9,931,803 km (0.086 R)
• M14: 10,448,364 km (0.043 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.8

Radius: 8.1

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.56 AU - 2.44 AU

Year: 1826 Days

Day: 5.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 25,645,608 km

• M1: 102,175 km (0.089 R)
• M2: 378,183 km (0.092 R)
• M3: 741,108 km (0.114 R)
• M4: 1,277,267 km (0.101 R)
• M5: 2,516,685 km (0.091 R)
• M6: 2,996,595 km (0.083 R)
• M7: 3,451,821 km (0.111 R)
• M8: 4,429,443 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.2

Radius: 10.5

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 3.97 AU - 5.21 AU

Year: 6349 Days

Day: 14 Hours

Environment

Temp: -218 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 25,645,608 km

• M1: 130,599 km (0.079 R)
• M2: 976,874 km (0.055 R)
• M3: 1,320,500 km (0.117 R)
• M4: 1,693,298 km (0.107 R)
• M5: 2,105,889 km (0.055 R)
• M6: 2,446,075 km (0.031 R)
• M7: 2,823,361 km (0.077 R)
• M8: 3,281,130 km (0.097 R)
• M9: 3,928,889 km (0.031 R)
• M10: 4,321,434 km (0.055 R)
• M11: 4,767,385 km (0.096 R)
• M12: 6,129,922 km (0.094 R)
• M13: 6,558,221 km (0.109 R)
• M14: 7,077,326 km (0.071 R)
• M15: 10,599,608 km (0.118 R)
• M16: 11,760,038 km (0.116 R)
• M17: 14,047,988 km (0.111 R)
• M18: 17,518,060 km (0.103 R)
• M19: 23,376,462 km (0.109 R)
• M20: 23,856,372 km (0.093 R)
• M21: 24,506,226 km (0.117 R)
• M22: 28,656,968 km (0.065 R)
• M23: 30,707,057 km (0.098 R)
• M24: 32,753,556 km (0.077 R)
• M25: 33,253,961 km (0.107 R)
• M26: 34,269,880 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.4

Radius: 10.8

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 3.94 AU - 6.16 AU

Year: 7327 Days

Day: 6.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 25,645,608 km

• M1: 138,827 km (0.057 R)
• M2: 865,274 km (0.087 R)
• M3: 2,148,525 km (0.103 R)
• M4: 4,566,625 km (0.106 R)
• M5: 5,454,189 km (0.106 R)
• M6: 6,332,777 km (0.027 R)
• M7: 7,468,674 km (0.109 R)
• M8: 9,696,036 km (0.088 R)
• M9: 10,725,569 km (0.047 R)
• M10: 12,427,993 km (0.091 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 167 - 10,272 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit