🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395

Radius: 14.2

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.69 AU - 1.03 AU

Year: 561 Days

Day: 5 Hours

Environment

Temp: -166 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 89,137,268 km

• M1: 176,675 km (0.055 R)
• M2: 620,981 km (0.106 R)
• M3: 1,364,333 km (0.074 R)
• M4: 2,265,660 km (0.109 R)
• M5: 3,644,803 km (0.113 R)
• M6: 4,091,651 km (0.039 R)
• M7: 5,097,248 km (0.108 R)
• M8: 5,742,613 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.2

Radius: 12.7

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.14 AU - 1.28 AU

Year: 936 Days

Day: 6.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 89,137,268 km

• M1: 157,975 km (0.107 R)
• M2: 620,682 km (0.083 R)
• M3: 1,300,604 km (0.101 R)
• M4: 2,511,748 km (0.087 R)
• M5: 2,992,406 km (0.103 R)
• M6: 3,799,188 km (0.057 R)
• M7: 4,676,280 km (0.104 R)
• M8: 5,584,937 km (0.077 R)
• M9: 6,476,241 km (0.116 R)
• M10: 8,026,075 km (0.088 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 828.5

Radius: 4.1

Gravity: 49.29 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 6.06 AU - 8.62 AU

Year: 13978 Days

Day: 20.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 89,137,268 km

• M1: 81,232 km (0.104 R)
• M2: 322,234 km (0.096 R)
• M3: 576,849 km (0.037 R)
• M4: 797,207 km (0.116 R)
• M5: 1,348,924 km (0.108 R)
• M6: 1,481,617 km (0.047 R)
• M7: 1,878,949 km (0.063 R)
• M8: 2,064,002 km (0.074 R)
• M9: 2,580,563 km (0.098 R)
• M10: 3,052,245 km (0.071 R)
• M11: 4,415,680 km (0.118 R)
• M12: 4,811,367 km (0.109 R)
• M13: 5,522,405 km (0.119 R)
• M14: 5,710,749 km (0.113 R)
• M15: 6,020,716 km (0.102 R)
• M16: 6,590,235 km (0.067 R)
• M17: 7,695,165 km (0.114 R)
• M18: 8,121,519 km (0.1 R)
• M19: 8,267,078 km (0.062 R)
• M20: 8,414,282 km (0.083 R)
• M21: 11,134,869 km (0.114 R)
• M22: 11,557,184 km (0.116 R)
• M23: 11,865,505 km (0.099 R)
• M24: 12,433,977 km (0.104 R)
• M25: 12,822,931 km (0.073 R)
• M26: 18,225,658 km (0.079 R)
• M27: 18,811,932 km (0.12 R)
• M28: 22,215,284 km (0.107 R)
• M29: 24,665,099 km (0.101 R)
• M30: 25,693,285 km (0.067 R)
• M31: 26,642,932 km (0.109 R)
• M32: 27,180,587 km (0.108 R)
• M33: 32,348,146 km (0.051 R)
• M34: 34,841,045 km (0.037 R)
• M35: 36,003,420 km (0.093 R)
• M36: 37,058,235 km (0.086 R)
• M37: 40,205,176 km (0.107 R)
• M38: 43,229,895 km (0.102 R)
• M39: 44,571,489 km (0.116 R)
• M40: 45,633,783 km (0.082 R)
• M41: 50,870,158 km (0.081 R)
• M42: 54,059,435 km (0.05 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 430.5

Radius: 5.3

Gravity: 15.33 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 7.6 AU - 12.58 AU

Year: 22529 Days

Day: 16.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 89,137,268 km

• M1: 104,719 km (0.115 R)
• M2: 272,119 km (0.046 R)
• M3: 673,190 km (0.042 R)
• M4: 1,548,039 km (0.058 R)
• M5: 1,969,306 km (0.078 R)
• M6: 3,636,575 km (0.06 R)
• M7: 7,716,707 km (0.113 R)
• M8: 8,308,815 km (0.06 R)
• M9: 9,864,035 km (0.089 R)
• M10: 11,987,277 km (0.11 R)
• M11: 20,240,592 km (0.076 R)
• M12: 20,517,498 km (0.119 R)
• M13: 28,864,012 km (0.092 R)
• M14: 29,332,253 km (0.115 R)
• M15: 31,749,754 km (0.098 R)
• M16: 40,519,331 km (0.074 R)
• M17: 68,673,651 km (0.116 R)
• M18: 70,137,765 km (0.1 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 845.1

Radius: 6.9

Gravity: 17.75 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 9.23 AU - 11.13 AU

Year: 22831 Days

Day: 20 Hours

Environment

Temp: -232 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 89,137,268 km

• M1: 85,869 km (0.078 R)
• M2: 335,398 km (0.106 R)
• M3: 1,347,877 km (0.047 R)
• M4: 1,705,715 km (0.117 R)
• M5: 4,744,347 km (0.096 R)
• M6: 6,313,629 km (0.091 R)
• M7: 7,466,579 km (0.117 R)
• M8: 7,827,858 km (0.111 R)
• M9: 10,498,629 km (0.07 R)
• M10: 15,557,730 km (0.095 R)
• M11: 26,155,991 km (0.084 R)
• M12: 27,473,350 km (0.065 R)
• M13: 30,630,463 km (0.109 R)
• M14: 33,324,122 km (0.12 R)
• M15: 34,870,964 km (0.101 R)
• M16: 38,258,758 km (0.104 R)
• M17: 42,998,916 km (0.11 R)
• M18: 46,367,561 km (0.07 R)
• M19: 51,373,255 km (0.108 R)
• M20: 52,678,646 km (0.044 R)
• M21: 53,434,564 km (0.081 R)
• M22: 54,967,793 km (0.093 R)
• M23: 56,136,900 km (0.097 R)
• M24: 58,726,439 km (0.059 R)
• M25: 59,539,055 km (0.066 R)
• M26: 64,572,425 km (0.068 R)
• M27: 64,788,145 km (0.095 R)
• M28: 75,475,866 km (0.072 R)
• M29: 78,626,846 km (0.076 R)
• M30: 89,137,293 km (0.051 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: 262 - 17,760 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit