🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.41 AU - 0.67 AU

Year: 256 Days

Day: 27.8 Hours

Environment

Temp: -126 °C

Axial Tilt: 2.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 52,808,919 km

• M1: 86,019 km (0.067 R)

Asteroid Belt

Center: 0.84 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.7

Radius: 8.4

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.92 AU - 1.36 AU

Year: 786 Days

Day: 5.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,808,919 km

• M1: 104,419 km (0.071 R)
• M2: 462,257 km (0.085 R)
• M3: 893,099 km (0.075 R)
• M4: 1,609,224 km (0.059 R)
• M5: 2,210,907 km (0.075 R)
• M6: 2,847,895 km (0.093 R)
• M7: 3,574,043 km (0.09 R)
• M8: 5,173,992 km (0.12 R)
• M9: 5,705,064 km (0.096 R)
• M10: 6,091,924 km (0.104 R)
• M11: 7,048,902 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.6

Radius: 12.4

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.3 AU - 1.4 AU

Year: 1013 Days

Day: 14.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,808,919 km

• M1: 154,235 km (0.069 R)
• M2: 653,443 km (0.113 R)
• M3: 1,451,099 km (0.104 R)
• M4: 2,592,082 km (0.109 R)
• M5: 3,312,994 km (0.093 R)
• M6: 3,945,943 km (0.12 R)
• M7: 5,210,344 km (0.102 R)
• M8: 6,684,482 km (0.069 R)
• M9: 7,202,090 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.2

Radius: 13.4

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.34 AU - 1.98 AU

Year: 1381 Days

Day: 11.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,808,919 km

• M1: 166,951 km (0.114 R)
• M2: 743,501 km (0.119 R)
• M3: 1,239,718 km (0.101 R)
• M4: 1,971,550 km (0.097 R)
• M5: 2,394,464 km (0.07 R)
• M6: 2,892,774 km (0.094 R)
• M7: 4,083,723 km (0.041 R)
• M8: 5,086,028 km (0.1 R)
• M9: 5,556,963 km (0.071 R)
• M10: 6,127,529 km (0.103 R)
• M11: 7,440,400 km (0.076 R)
• M12: 8,424,604 km (0.088 R)
• M13: 9,398,785 km (0.12 R)
• M14: 9,815,565 km (0.112 R)
• M15: 10,755,189 km (0.106 R)
• M16: 11,282,671 km (0.048 R)
• M17: 13,326,627 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550

Radius: 11.3

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.77 AU - 2.07 AU

Year: 1718 Days

Day: 11.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,808,919 km

• M1: 140,472 km (0.082 R)
• M2: 616,942 km (0.065 R)
• M3: 980,315 km (0.094 R)
• M4: 1,357,601 km (0.032 R)
• M5: 1,916,349 km (0.059 R)
• M6: 2,495,292 km (0.08 R)
• M7: 3,203,190 km (0.055 R)
• M8: 3,596,632 km (0.112 R)
• M9: 4,057,992 km (0.106 R)
• M10: 4,425,105 km (0.093 R)
• M11: 5,038,157 km (0.096 R)
• M12: 6,122,143 km (0.061 R)
• M13: 8,627,459 km (0.036 R)
• M14: 9,175,585 km (0.119 R)
• M15: 9,714,287 km (0.095 R)
• M16: 10,579,113 km (0.055 R)
• M17: 11,639,911 km (0.092 R)
• M18: 12,309,661 km (0.07 R)
• M19: 13,766,894 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.7

Radius: 8.2

Gravity: 9.26 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.35 AU - 3.43 AU

Year: 4030 Days

Day: 14.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,808,919 km

• M1: 102,026 km (0.096 R)
• M2: 433,684 km (0.115 R)
• M3: 743,202 km (0.069 R)
• M4: 1,318,855 km (0.088 R)
• M5: 1,598,752 km (0.102 R)
• M6: 2,025,256 km (0.078 R)
• M7: 2,310,539 km (0.032 R)
• M8: 2,655,362 km (0.069 R)
• M9: 4,119,477 km (0.095 R)
• M10: 4,438,868 km (0.099 R)
• M11: 5,284,096 km (0.113 R)
• M12: 8,319,138 km (0.115 R)
• M13: 9,402,525 km (0.062 R)
• M14: 9,998,673 km (0.095 R)
• M15: 12,780,146 km (0.09 R)
• M16: 14,686,472 km (0.117 R)
• M17: 17,591,812 km (0.082 R)
• M18: 22,009,886 km (0.073 R)
• M19: 22,776,425 km (0.083 R)
• M20: 23,923,093 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 181.9

Radius: 4.5

Gravity: 8.98 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 10.53 AU - 10.77 AU

Year: 22441 Days

Day: 22.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,808,919 km

• M1: 57,296 km (0.117 R)
• M2: 244,892 km (0.115 R)
• M3: 530,624 km (0.045 R)
• M4: 706,252 km (0.087 R)
• M5: 1,597,256 km (0.074 R)
• M6: 1,817,165 km (0.099 R)
• M7: 2,496,788 km (0.049 R)
• M8: 3,908,693 km (0.114 R)
• M9: 4,221,054 km (0.117 R)
• M10: 5,853,615 km (0.081 R)
• M11: 6,809,545 km (0.111 R)
• M12: 7,998,849 km (0.058 R)
• M13: 13,372,703 km (0.041 R)
• M14: 16,352,244 km (0.062 R)
• M15: 17,086,171 km (0.087 R)
• M16: 26,662,380 km (0.074 R)
• M17: 27,268,550 km (0.069 R)
• M18: 33,962,157 km (0.112 R)
• M19: 42,215,023 km (0.06 R)
• M20: 50,932,540 km (0.044 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 521 - 17,076 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit