🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.2

Radius: 11.4

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.62 AU - 0.66 AU

Year: 347 Days

Day: 10.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 28,494,425 km

• M1: 141,819 km (0.047 R)
• M2: 505,192 km (0.073 R)
• M3: 912,846 km (0.082 R)
• M4: 1,626,129 km (0.11 R)
• M5: 1,982,172 km (0.108 R)
• M6: 2,758,585 km (0.057 R)
• M7: 4,383,218 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.6

Radius: 10.1

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.23 AU - 1.31 AU

Year: 971 Days

Day: 12.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,494,425 km

• M1: 125,662 km (0.114 R)
• M2: 447,597 km (0.045 R)
• M3: 991,983 km (0.032 R)
• M4: 1,349,672 km (0.117 R)
• M5: 1,817,764 km (0.099 R)
• M6: 2,498,883 km (0.068 R)
• M7: 2,861,059 km (0.081 R)
• M8: 3,175,963 km (0.087 R)
• M9: 3,589,751 km (0.108 R)
• M10: 4,278,050 km (0.079 R)
• M11: 5,296,513 km (0.11 R)
• M12: 5,845,238 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.1

Radius: 11

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.16 AU - 1.42 AU

Year: 994 Days

Day: 8.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,494,425 km

• M1: 138,378 km (0.101 R)
• M2: 524,640 km (0.091 R)
• M3: 1,154,896 km (0.117 R)
• M4: 1,517,970 km (0.114 R)
• M5: 1,968,259 km (0.083 R)
• M6: 2,335,522 km (0.075 R)
• M7: 2,699,344 km (0.04 R)
• M8: 3,310,002 km (0.044 R)
• M9: 3,740,695 km (0.1 R)
• M10: 4,125,460 km (0.113 R)
• M11: 4,501,250 km (0.089 R)
• M12: 4,956,177 km (0.101 R)
• M13: 6,622,249 km (0.074 R)
• M14: 7,309,801 km (0.09 R)
• M15: 9,839,052 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.2

Radius: 12.4

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.77 AU - 2.25 AU

Year: 1933 Days

Day: 13.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 28,494,425 km

• M1: 154,535 km (0.054 R)
• M2: 552,016 km (0.084 R)
• M3: 1,173,894 km (0.075 R)
• M4: 2,164,382 km (0.04 R)
• M5: 2,768,608 km (0.096 R)
• M6: 3,194,663 km (0.109 R)
• M7: 3,603,514 km (0.104 R)
• M8: 4,180,812 km (0.093 R)
• M9: 4,635,589 km (0.078 R)
• M10: 5,260,460 km (0.114 R)
• M11: 6,224,767 km (0.103 R)
• M12: 6,702,733 km (0.065 R)
• M13: 8,018,745 km (0.119 R)
• M14: 8,420,864 km (0.077 R)
• M15: 9,265,643 km (0.085 R)
• M16: 10,042,804 km (0.078 R)
• M17: 10,542,312 km (0.114 R)
• M18: 10,960,438 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725

Radius: 10.4

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 3.59 AU - 3.59 AU

Year: 4614 Days

Day: 14.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 28,494,425 km

• M1: 129,402 km (0.087 R)
• M2: 464,501 km (0.116 R)
• M3: 794,514 km (0.116 R)
• M4: 1,280,707 km (0.109 R)
• M5: 1,624,034 km (0.117 R)
• M6: 2,296,028 km (0.11 R)
• M7: 2,992,705 km (0.049 R)
• M8: 3,545,470 km (0.115 R)
• M9: 5,093,209 km (0.071 R)
• M10: 5,765,352 km (0.114 R)
• M11: 7,355,279 km (0.105 R)
• M12: 7,920,758 km (0.075 R)
• M13: 9,668,062 km (0.056 R)
• M14: 11,012,348 km (0.072 R)
• M15: 11,378,564 km (0.045 R)
• M16: 13,027,132 km (0.052 R)
• M17: 14,663,882 km (0.1 R)
• M18: 16,315,443 km (0.084 R)
• M19: 19,984,331 km (0.077 R)
• M20: 23,334,575 km (0.063 R)
• M21: 28,646,047 km (0.065 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 598.2

Radius: 5.7

Gravity: 18.41 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 5.54 AU - 5.82 AU

Year: 9182 Days

Day: 20.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 28,494,425 km

• M1: 74,051 km (0.058 R)
• M2: 344,524 km (0.059 R)
• M3: 550,071 km (0.078 R)
• M4: 902,674 km (0.049 R)
• M5: 1,971,550 km (0.086 R)
• M6: 2,206,718 km (0.086 R)
• M7: 2,441,886 km (0.112 R)
• M8: 3,092,786 km (0.083 R)
• M9: 3,627,599 km (0.108 R)
• M10: 4,557,050 km (0.091 R)
• M11: 6,359,256 km (0.083 R)
• M12: 7,378,167 km (0.096 R)
• M13: 12,663,759 km (0.049 R)
• M14: 13,125,119 km (0.11 R)
• M15: 14,020,312 km (0.064 R)
• M16: 19,720,889 km (0.112 R)
• M17: 21,374,993 km (0.118 R)
• M18: 28,036,885 km (0.036 R)
• M19: 34,491,734 km (0.109 R)
• M20: 35,617,757 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 144.1

Radius: 6.1

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.87 AU - 7.15 AU

Year: 9993 Days

Day: 21.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,494,425 km

• M1: 85,271 km (0.081 R)
• M2: 473,627 km (0.082 R)
• M3: 850,913 km (0.092 R)
• M4: 1,412,802 km (0.114 R)
• M5: 2,211,505 km (0.106 R)
• M6: 3,606,954 km (0.115 R)
• M7: 4,306,773 km (0.108 R)
• M8: 7,318,029 km (0.092 R)
• M9: 8,135,132 km (0.095 R)
• M10: 9,290,327 km (0.078 R)
• M11: 12,017,047 km (0.097 R)
• M12: 13,151,298 km (0.063 R)
• M13: 13,981,118 km (0.046 R)
• M14: 19,179,494 km (0.117 R)
• M15: 21,140,274 km (0.084 R)
• M16: 23,305,254 km (0.106 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 160 - 16,333 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit