🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.4

Radius: 9

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.61 AU - 0.63 AU

Year: 343 Days

Day: 7.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,478,952 km

• M1: 112,049 km (0.06 R)
• M2: 411,394 km (0.101 R)
• M3: 716,125 km (0.067 R)
• M4: 1,153,848 km (0.084 R)
• M5: 1,496,428 km (0.104 R)
• M6: 1,804,300 km (0.087 R)
• M7: 2,541,817 km (0.09 R)
• M8: 3,130,036 km (0.119 R)
• M9: 3,851,547 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.1

Radius: 10.2

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.61 AU - 1.01 AU

Year: 512 Days

Day: 13.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,478,952 km

• M1: 126,859 km (0.088 R)
• M2: 651,648 km (0.05 R)
• M3: 1,027,438 km (0.091 R)
• M4: 1,344,885 km (0.068 R)
• M5: 2,234,843 km (0.12 R)
• M6: 2,571,587 km (0.089 R)
• M7: 3,080,370 km (0.071 R)
• M8: 3,655,424 km (0.076 R)
• M9: 3,992,917 km (0.085 R)
• M10: 4,389,501 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.7

Radius: 12.8

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.71 AU - 1.01 AU

Year: 561 Days

Day: 11.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,478,952 km

• M1: 159,471 km (0.113 R)
• M2: 635,193 km (0.11 R)
• M3: 1,313,918 km (0.037 R)
• M4: 1,969,606 km (0.106 R)
• M5: 2,795,835 km (0.093 R)
• M6: 3,223,535 km (0.084 R)
• M7: 4,147,003 km (0.081 R)
• M8: 4,565,727 km (0.113 R)
• M9: 5,148,112 km (0.036 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.7

Radius: 14.7

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.34 AU - 1.44 AU

Year: 1152 Days

Day: 13.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 38,478,952 km

• M1: 183,856 km (0.088 R)
• M2: 1,021,305 km (0.116 R)
• M3: 1,964,968 km (0.101 R)
• M4: 3,029,955 km (0.108 R)
• M5: 4,774,416 km (0.097 R)
• M6: 6,113,467 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.9

Radius: 11.1

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.99 AU - 2.19 AU

Year: 2124 Days

Day: 6.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,478,952 km

• M1: 138,079 km (0.096 R)
• M2: 493,523 km (0.083 R)
• M3: 1,122,582 km (0.112 R)
• M4: 1,497,774 km (0.036 R)
• M5: 3,089,495 km (0.079 R)
• M6: 3,460,648 km (0.105 R)
• M7: 4,758,259 km (0.086 R)
• M8: 5,300,851 km (0.118 R)
• M9: 6,204,422 km (0.115 R)
• M10: 8,254,960 km (0.101 R)
• M11: 12,442,653 km (0.062 R)
• M12: 13,013,668 km (0.079 R)
• M13: 15,991,564 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.3

Radius: 11.9

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.22 AU - 2.64 AU

Year: 2663 Days

Day: 5.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,478,952 km

• M1: 172,187 km (0.107 R)
• M2: 650,900 km (0.106 R)
• M3: 1,677,890 km (0.109 R)
• M4: 2,209,860 km (0.111 R)
• M5: 3,631,638 km (0.103 R)
• M6: 4,547,775 km (0.103 R)
• M7: 4,947,501 km (0.053 R)
• M8: 6,764,965 km (0.113 R)
• M9: 8,963,755 km (0.092 R)
• M10: 10,504,014 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 401.9

Radius: 3

Gravity: 44.66 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 5.56 AU - 5.7 AU

Year: 9390 Days

Day: 15.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 38,478,952 km

• M1: 37,549 km (0.111 R)
• M2: 136,134 km (0.11 R)
• M3: 481,107 km (0.093 R)
• M4: 769,083 km (0.075 R)
• M5: 890,257 km (0.096 R)
• M6: 1,064,838 km (0.093 R)
• M7: 1,308,832 km (0.081 R)
• M8: 1,699,731 km (0.058 R)
• M9: 2,231,103 km (0.079 R)
• M10: 2,572,186 km (0.036 R)
• M11: 3,379,416 km (0.04 R)
• M12: 4,342,078 km (0.111 R)
• M13: 4,477,315 km (0.095 R)
• M14: 4,813,760 km (0.097 R)
• M15: 6,860,858 km (0.081 R)
• M16: 7,537,788 km (0.096 R)
• M17: 8,677,275 km (0.111 R)
• M18: 10,161,884 km (0.094 R)
• M19: 10,643,141 km (0.057 R)
• M20: 12,231,571 km (0.081 R)
• M21: 14,747,208 km (0.104 R)
• M22: 15,932,622 km (0.098 R)
• M23: 18,000,663 km (0.105 R)
• M24: 18,139,939 km (0.032 R)
• M25: 19,207,319 km (0.073 R)
• M26: 19,572,189 km (0.085 R)
• M27: 20,240,592 km (0.116 R)
• M28: 27,874,870 km (0.095 R)
• M29: 36,107,690 km (0.105 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 433 - 18,319 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit