🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.7

Radius: 13.8

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.84 AU - 1.18 AU

Year: 655 Days

Day: 11.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,722,543 km

• M1: 171,589 km (0.078 R)
• M2: 616,792 km (0.04 R)
• M3: 1,149,809 km (0.109 R)
• M4: 1,666,371 km (0.092 R)
• M5: 2,124,140 km (0.107 R)
• M6: 2,883,798 km (0.115 R)
• M7: 3,847,208 km (0.044 R)
• M8: 4,341,629 km (0.05 R)
• M9: 4,912,495 km (0.112 R)
• M10: 5,738,874 km (0.09 R)
• M11: 6,185,872 km (0.092 R)
• M12: 6,761,525 km (0.106 R)
• M13: 7,508,616 km (0.095 R)
• M14: 8,285,628 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.2

Radius: 12.4

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.09 AU - 1.53 AU

Year: 968 Days

Day: 11.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 33,722,543 km

• M1: 154,834 km (0.085 R)
• M2: 572,062 km (0.045 R)
• M3: 1,218,774 km (0.03 R)
• M4: 1,651,560 km (0.101 R)
• M5: 3,562,374 km (0.07 R)
• M6: 4,178,867 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.9

Radius: 12.2

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.08 AU - 1.8 AU

Year: 1116 Days

Day: 7.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,722,543 km

• M1: 151,692 km (0.089 R)
• M2: 545,284 km (0.065 R)
• M3: 973,583 km (0.093 R)
• M4: 1,550,582 km (0.051 R)
• M5: 1,964,519 km (0.089 R)
• M6: 2,349,135 km (0.116 R)
• M7: 3,184,191 km (0.045 R)
• M8: 3,594,837 km (0.044 R)
• M9: 4,906,960 km (0.093 R)
• M10: 5,587,929 km (0.101 R)
• M11: 6,726,519 km (0.102 R)
• M12: 7,430,377 km (0.087 R)
• M13: 8,110,149 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.7

Radius: 9.9

Gravity: 9.86 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.14 AU - 2.68 AU

Year: 2416 Days

Day: 5.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,722,543 km

• M1: 123,119 km (0.115 R)
• M2: 450,888 km (0.1 R)
• M3: 821,741 km (0.105 R)
• M4: 1,260,661 km (0.095 R)
• M5: 2,430,217 km (0.096 R)
• M6: 2,971,313 km (0.063 R)
• M7: 3,982,595 km (0.05 R)
• M8: 4,294,805 km (0.057 R)
• M9: 5,184,464 km (0.115 R)
• M10: 6,056,171 km (0.083 R)
• M11: 7,325,658 km (0.056 R)
• M12: 7,828,756 km (0.107 R)
• M13: 8,557,896 km (0.092 R)
• M14: 10,937,699 km (0.11 R)
• M15: 12,542,585 km (0.057 R)
• M16: 13,355,350 km (0.098 R)
• M17: 15,900,458 km (0.038 R)
• M18: 17,618,291 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.5

Radius: 10.6

Gravity: 7.52 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.06 AU - 2.88 AU

Year: 2506 Days

Day: 7.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 70.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 33,722,543 km

• M1: 131,796 km (0.054 R)
• M2: 518,357 km (0.086 R)
• M3: 1,119,291 km (0.088 R)
• M4: 1,521,261 km (0.103 R)
• M5: 1,957,787 km (0.063 R)
• M6: 2,335,971 km (0.12 R)
• M7: 2,809,897 km (0.068 R)
• M8: 3,853,342 km (0.089 R)
• M9: 4,540,295 km (0.107 R)
• M10: 6,158,047 km (0.075 R)
• M11: 6,489,256 km (0.103 R)
• M12: 6,949,270 km (0.106 R)
• M13: 7,308,604 km (0.107 R)
• M14: 7,743,485 km (0.079 R)
• M15: 8,162,658 km (0.098 R)
• M16: 9,658,338 km (0.11 R)
• M17: 10,964,477 km (0.069 R)
• M18: 12,341,376 km (0.096 R)
• M19: 13,003,945 km (0.098 R)
• M20: 13,643,625 km (0.101 R)
• M21: 14,018,517 km (0.109 R)
• M22: 14,985,967 km (0.117 R)
• M23: 16,309,309 km (0.044 R)
• M24: 19,539,875 km (0.11 R)
• M25: 20,440,006 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.1

Radius: 9.2

Gravity: 10.98 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 4.05 AU - 5.87 AU

Year: 7132 Days

Day: 11.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 33,722,543 km

• M1: 125,513 km (0.108 R)
• M2: 422,764 km (0.117 R)
• M3: 1,176,886 km (0.075 R)
• M4: 1,605,036 km (0.079 R)
• M5: 2,020,319 km (0.066 R)
• M6: 2,506,213 km (0.095 R)
• M7: 3,199,450 km (0.103 R)
• M8: 3,615,481 km (0.097 R)
• M9: 4,093,447 km (0.085 R)
• M10: 4,993,427 km (0.081 R)
• M11: 5,300,103 km (0.071 R)
• M12: 5,619,494 km (0.071 R)
• M13: 6,053,927 km (0.099 R)
• M14: 6,510,649 km (0.107 R)
• M15: 7,773,704 km (0.104 R)
• M16: 8,702,108 km (0.109 R)
• M17: 10,181,781 km (0.084 R)
• M18: 10,576,569 km (0.115 R)
• M19: 11,768,715 km (0.112 R)
• M20: 12,369,500 km (0.081 R)
• M21: 12,876,188 km (0.104 R)
• M22: 13,931,003 km (0.083 R)
• M23: 14,541,362 km (0.043 R)
• M24: 18,149,812 km (0.118 R)
• M25: 18,438,835 km (0.105 R)
• M26: 19,324,155 km (0.112 R)
• M27: 20,237,450 km (0.056 R)
• M28: 26,239,616 km (0.114 R)
• M29: 30,601,740 km (0.092 R)
• M30: 33,330,406 km (0.114 R)
• M31: 40,606,696 km (0.111 R)
• M32: 41,101,417 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 601.2

Radius: 6.3

Gravity: 15.15 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 6.84 AU - 7.46 AU

Year: 12345 Days

Day: 24.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,722,543 km

• M1: 78,838 km (0.038 R)
• M2: 679,025 km (0.087 R)
• M3: 1,418,337 km (0.054 R)
• M4: 1,806,245 km (0.111 R)
• M5: 2,319,964 km (0.06 R)
• M6: 4,126,358 km (0.039 R)
• M7: 7,708,928 km (0.114 R)
• M8: 9,741,664 km (0.116 R)
• M9: 11,525,618 km (0.081 R)
• M10: 13,014,416 km (0.115 R)
• M11: 15,238,787 km (0.094 R)
• M12: 19,925,240 km (0.075 R)
• M13: 31,781,918 km (0.07 R)
• M14: 38,906,217 km (0.116 R)
• M15: 45,290,157 km (0.107 R)

Asteroid Belt

Center: 9.19 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 11.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 40.4

Radius: 5

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 10.49 AU - 11.97 AU

Year: 24299 Days

Day: 16.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,722,543 km

• M1: 62,532 km (0.073 R)
• M2: 271,819 km (0.091 R)
• M3: 471,682 km (0.069 R)
• M4: 2,281,667 km (0.044 R)
• M5: 4,144,759 km (0.047 R)
• M6: 5,723,764 km (0.059 R)
• M7: 15,852,138 km (0.11 R)
• M8: 17,103,076 km (0.104 R)
• M9: 22,457,782 km (0.057 R)
• M10: 27,400,047 km (0.107 R)
• M11: 31,549,443 km (0.089 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: 419 - 12,317 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit