🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.8

Radius: 8.1

Gravity: 12.74 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.68 AU - 0.78 AU

Year: 431 Days

Day: 8.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,930,476 km

• M1: 100,679 km (0.09 R)
• M2: 462,407 km (0.052 R)
• M3: 735,274 km (0.092 R)
• M4: 1,153,400 km (0.083 R)
• M5: 1,693,448 km (0.108 R)
• M6: 2,927,182 km (0.095 R)
• M7: 3,902,709 km (0.089 R)
• M8: 4,750,630 km (0.102 R)
• M9: 5,080,493 km (0.109 R)
• M10: 6,162,535 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.3

Radius: 13.2

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.29 AU - 1.37 AU

Year: 1059 Days

Day: 5.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 27,930,476 km

• M1: 164,109 km (0.044 R)
• M2: 776,263 km (0.114 R)
• M3: 1,220,719 km (0.037 R)
• M4: 2,399,251 km (0.053 R)
• M5: 3,931,731 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.4

Radius: 8.5

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.4 AU - 1.4 AU

Year: 1143 Days

Day: 12.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,930,476 km

• M1: 106,065 km (0.119 R)
• M2: 501,751 km (0.072 R)
• M3: 821,292 km (0.042 R)
• M4: 1,154,896 km (0.115 R)
• M5: 1,964,669 km (0.099 R)
• M6: 2,281,368 km (0.052 R)
• M7: 2,992,406 km (0.093 R)
• M8: 3,999,948 km (0.059 R)
• M9: 4,309,017 km (0.107 R)
• M10: 4,616,441 km (0.071 R)
• M11: 6,207,264 km (0.12 R)
• M12: 8,929,347 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.1

Radius: 12.1

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.34 AU - 1.56 AU

Year: 1205 Days

Day: 14 Hours

Environment

Temp: -200 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,930,476 km

• M1: 156,479 km (0.097 R)
• M2: 611,107 km (0.103 R)
• M3: 1,017,714 km (0.053 R)
• M4: 1,727,706 km (0.074 R)
• M5: 2,501,576 km (0.109 R)
• M6: 3,118,816 km (0.06 R)
• M7: 4,148,499 km (0.111 R)
• M8: 5,937,091 km (0.115 R)
• M9: 6,541,316 km (0.049 R)
• M10: 7,899,665 km (0.066 R)
• M11: 8,328,113 km (0.052 R)
• M12: 10,643,889 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.9

Radius: 12.5

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.65 AU - 2.23 AU

Year: 1865 Days

Day: 10.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,930,476 km

• M1: 155,432 km (0.108 R)
• M2: 582,385 km (0.091 R)
• M3: 1,154,447 km (0.091 R)
• M4: 1,929,214 km (0.082 R)
• M5: 2,473,451 km (0.049 R)
• M6: 3,004,075 km (0.111 R)
• M7: 3,395,273 km (0.101 R)
• M8: 4,843,081 km (0.118 R)
• M9: 6,021,464 km (0.115 R)
• M10: 6,827,348 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597

Radius: 13.3

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.07 AU - 2.15 AU

Year: 2116 Days

Day: 7.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,930,476 km

• M1: 167,699 km (0.108 R)
• M2: 654,042 km (0.032 R)
• M3: 1,069,475 km (0.06 R)
• M4: 1,955,992 km (0.027 R)
• M5: 2,493,797 km (0.06 R)
• M6: 6,685,828 km (0.073 R)
• M7: 7,312,793 km (0.065 R)
• M8: 8,748,334 km (0.093 R)
• M9: 9,533,124 km (0.102 R)
• M10: 11,856,529 km (0.111 R)
• M11: 12,411,238 km (0.099 R)
• M12: 13,961,221 km (0.051 R)
• M13: 14,580,108 km (0.12 R)
• M14: 15,217,395 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.8

Radius: 10.7

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 3.24 AU - 4.74 AU

Year: 5501 Days

Day: 8.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 27,930,476 km

• M1: 135,984 km (0.09 R)
• M2: 1,043,894 km (0.037 R)
• M3: 1,719,328 km (0.095 R)
• M4: 2,119,802 km (0.078 R)
• M5: 3,713,019 km (0.085 R)
• M6: 4,783,093 km (0.116 R)
• M7: 5,280,954 km (0.105 R)
• M8: 5,726,756 km (0.026 R)
• M9: 6,662,192 km (0.104 R)
• M10: 7,420,054 km (0.112 R)
• M11: 10,813,981 km (0.099 R)
• M12: 15,181,042 km (0.071 R)
• M13: 17,024,088 km (0.089 R)
• M14: 17,446,253 km (0.103 R)
• M15: 18,186,464 km (0.053 R)
• M16: 25,112,695 km (0.111 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 184 - 15,919 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit