🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.5

Radius: 12.6

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.61 AU - 0.77 AU

Year: 382 Days

Day: 5.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 93,534,332 km

• M1: 156,779 km (0.112 R)
• M2: 588,668 km (0.108 R)
• M3: 987,795 km (0.104 R)
• M4: 1,409,212 km (0.09 R)
• M5: 1,812,229 km (0.072 R)
• M6: 2,487,663 km (0.099 R)
• M7: 2,910,427 km (0.109 R)
• M8: 3,671,880 km (0.11 R)
• M9: 4,802,092 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.4

Radius: 10

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.68 AU - 0.76 AU

Year: 407 Days

Day: 5.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 93,534,332 km

• M1: 124,914 km (0.114 R)
• M2: 437,574 km (0.091 R)
• M3: 1,010,234 km (0.083 R)
• M4: 1,454,091 km (0.067 R)
• M5: 1,961,228 km (0.109 R)
• M6: 2,423,785 km (0.111 R)

Asteroid Belt

Center: 1.15 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800

Radius: 10.8

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.23 AU - 1.91 AU

Year: 1312 Days

Day: 14.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 156 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 93,534,332 km

• M1: 134,339 km (0.095 R)
• M2: 493,075 km (0.093 R)
• M3: 905,366 km (0.111 R)
• M4: 1,294,022 km (0.068 R)
• M5: 1,990,100 km (0.026 R)
• M6: 2,327,294 km (0.118 R)
• M7: 3,061,969 km (0.082 R)
• M8: 3,547,265 km (0.118 R)
• M9: 4,334,598 km (0.088 R)
• M10: 4,672,989 km (0.115 R)
• M11: 5,090,217 km (0.074 R)
• M12: 5,575,662 km (0.113 R)
• M13: 6,738,038 km (0.086 R)
• M14: 7,589,399 km (0.053 R)
• M15: 8,167,595 km (0.094 R)
• M16: 8,540,094 km (0.088 R)
• M17: 9,014,020 km (0.045 R)
• M18: 10,710,908 km (0.08 R)
• M19: 11,088,194 km (0.058 R)
• M20: 12,125,655 km (0.098 R)
• M21: 12,649,098 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.3

Radius: 14

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.48 AU - 2.26 AU

Year: 1705 Days

Day: 7.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 93,534,332 km

• M1: 174,730 km (0.058 R)
• M2: 663,018 km (0.087 R)
• M3: 1,098,946 km (0.074 R)
• M4: 1,728,304 km (0.117 R)
• M5: 2,424,682 km (0.108 R)
• M6: 3,334,836 km (0.115 R)
• M7: 3,834,792 km (0.088 R)
• M8: 4,289,569 km (0.1 R)
• M9: 4,800,895 km (0.1 R)
• M10: 7,488,869 km (0.089 R)
• M11: 10,109,525 km (0.096 R)
• M12: 10,558,468 km (0.054 R)
• M13: 11,056,779 km (0.078 R)
• M14: 12,489,328 km (0.111 R)
• M15: 13,789,034 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621

Radius: 14.5

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.5 AU - 4.68 AU

Year: 6558 Days

Day: 10.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 93,534,332 km

• M1: 181,163 km (0.078 R)
• M2: 744,399 km (0.051 R)
• M3: 1,300,604 km (0.073 R)
• M4: 1,765,255 km (0.109 R)
• M5: 2,343,600 km (0.1 R)
• M6: 2,930,772 km (0.117 R)
• M7: 3,397,218 km (0.098 R)
• M8: 5,366,524 km (0.055 R)
• M9: 5,944,571 km (0.12 R)
• M10: 7,742,438 km (0.057 R)
• M11: 8,204,546 km (0.095 R)
• M12: 9,659,086 km (0.102 R)
• M13: 10,241,021 km (0.12 R)
• M14: 11,674,019 km (0.071 R)
• M15: 13,620,886 km (0.109 R)
• M16: 16,333,096 km (0.102 R)
• M17: 16,967,241 km (0.088 R)
• M18: 18,969,010 km (0.076 R)
• M19: 21,498,411 km (0.06 R)
• M20: 25,406,655 km (0.103 R)
• M21: 28,020,280 km (0.073 R)
• M22: 31,193,699 km (0.063 R)
• M23: 32,767,020 km (0.089 R)
• M24: 33,269,370 km (0.119 R)
• M25: 34,599,594 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.2

Radius: 8.2

Gravity: 7.04 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.31 AU - 7.11 AU

Year: 9099 Days

Day: 9 Hours

Environment

Temp: -234 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 93,534,332 km

• M1: 105,167 km (0.066 R)
• M2: 429,047 km (0.074 R)
• M3: 963,859 km (0.114 R)
• M4: 1,502,411 km (0.078 R)
• M5: 2,622,750 km (0.111 R)
• M6: 3,575,539 km (0.065 R)
• M7: 3,939,660 km (0.091 R)
• M8: 5,182,669 km (0.114 R)
• M9: 6,420,591 km (0.074 R)
• M10: 7,412,724 km (0.109 R)
• M11: 8,335,593 km (0.104 R)
• M12: 8,760,003 km (0.073 R)
• M13: 9,021,350 km (0.107 R)
• M14: 9,697,981 km (0.079 R)
• M15: 10,215,291 km (0.069 R)
• M16: 14,426,022 km (0.113 R)
• M17: 17,591,513 km (0.113 R)
• M18: 19,007,157 km (0.09 R)
• M19: 20,042,076 km (0.11 R)
• M20: 20,573,447 km (0.043 R)
• M21: 21,823,337 km (0.059 R)
• M22: 26,054,863 km (0.098 R)
• M23: 27,054,027 km (0.075 R)
• M24: 28,839,926 km (0.098 R)
• M25: 31,510,847 km (0.073 R)
• M26: 32,332,737 km (0.117 R)
• M27: 33,592,501 km (0.101 R)
• M28: 34,234,426 km (0.061 R)
• M29: 37,338,881 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 980.3

Radius: 3.8

Gravity: 67.89 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 10.4 AU - 10.66 AU

Year: 22786 Days

Day: 19 Hours

Environment

Temp: -239 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 93,534,332 km

• M1: 104,719 km (0.082 R)
• M2: 225,444 km (0.04 R)
• M3: 375,640 km (0.083 R)
• M4: 698,622 km (0.096 R)
• M5: 900,729 km (0.117 R)
• M6: 1,579,305 km (0.045 R)
• M7: 2,077,615 km (0.12 R)
• M8: 2,622,301 km (0.103 R)
• M9: 2,859,414 km (0.114 R)
• M10: 3,530,510 km (0.113 R)
• M11: 3,919,614 km (0.117 R)
• M12: 6,350,130 km (0.108 R)
• M13: 6,875,069 km (0.102 R)
• M14: 10,066,441 km (0.075 R)
• M15: 14,044,248 km (0.051 R)
• M16: 15,601,113 km (0.059 R)
• M17: 19,739,888 km (0.085 R)
• M18: 20,442,998 km (0.113 R)
• M19: 21,266,983 km (0.039 R)
• M20: 24,439,655 km (0.051 R)
• M21: 25,721,110 km (0.104 R)
• M22: 30,892,259 km (0.108 R)
• M23: 33,366,159 km (0.111 R)
• M24: 34,941,126 km (0.095 R)
• M25: 51,216,776 km (0.085 R)
• M26: 58,274,355 km (0.095 R)
• M27: 63,539,152 km (0.111 R)
• M28: 66,398,117 km (0.115 R)
• M29: 69,341,455 km (0.113 R)
• M30: 80,454,184 km (0.069 R)
• M31: 89,390,263 km (0.088 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: 460 - 18,098 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit