🌌 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: 907.6

Radius: 10.5

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.71 AU - 1.01 AU

Year: 523 Days

Day: 6.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,912,834 km

• M1: 132,843 km (0.058 R)
• M2: 479,461 km (0.032 R)
• M3: 905,815 km (0.093 R)
• M4: 1,414,597 km (0.077 R)
• M5: 2,107,984 km (0.08 R)
• M6: 2,527,755 km (0.097 R)
• M7: 3,293,547 km (0.088 R)
• M8: 3,751,615 km (0.09 R)
• M9: 4,699,617 km (0.113 R)
• M10: 5,144,820 km (0.063 R)
• M11: 5,581,796 km (0.111 R)
• M12: 6,631,225 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.5

Radius: 13

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.13 AU - 1.49 AU

Year: 984 Days

Day: 7.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,912,834 km

• M1: 161,715 km (0.066 R)
• M2: 611,257 km (0.102 R)
• M3: 1,044,193 km (0.11 R)
• M4: 1,501,514 km (0.116 R)
• M5: 2,155,855 km (0.118 R)
• M6: 3,073,339 km (0.116 R)
• M7: 3,533,801 km (0.063 R)
• M8: 4,370,801 km (0.109 R)
• M9: 5,375,051 km (0.097 R)
• M10: 5,879,795 km (0.061 R)
• M11: 6,394,112 km (0.074 R)
• M12: 6,799,522 km (0.109 R)
• M13: 7,914,475 km (0.116 R)
• M14: 8,409,196 km (0.086 R)
• M15: 9,260,856 km (0.107 R)
• M16: 10,229,652 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.4

Radius: 13.1

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 4.26 AU - 6.28 AU

Year: 7936 Days

Day: 11.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,912,834 km

• M1: 163,211 km (0.11 R)
• M2: 610,359 km (0.089 R)
• M3: 1,526,347 km (0.049 R)
• M4: 2,004,462 km (0.079 R)
• M5: 2,476,443 km (0.077 R)
• M6: 3,490,418 km (0.111 R)
• M7: 4,360,928 km (0.117 R)
• M8: 5,105,027 km (0.104 R)
• M9: 5,740,968 km (0.115 R)
• M10: 6,193,950 km (0.114 R)
• M11: 7,931,978 km (0.11 R)
• M12: 10,394,509 km (0.032 R)
• M13: 11,168,827 km (0.065 R)
• M14: 15,630,285 km (0.053 R)
• M15: 17,979,420 km (0.056 R)
• M16: 20,405,748 km (0.051 R)
• M17: 25,812,664 km (0.111 R)
• M18: 27,686,527 km (0.039 R)
• M19: 28,610,144 km (0.08 R)
• M20: 30,518,714 km (0.11 R)
• M21: 31,803,909 km (0.101 R)
• M22: 33,538,795 km (0.053 R)
• M23: 34,060,742 km (0.076 R)
• M24: 35,767,804 km (0.044 R)
• M25: 37,419,364 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.6

Radius: 14

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.19 AU - 6.35 AU

Year: 7936 Days

Day: 12.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,912,834 km

• M1: 174,132 km (0.092 R)
• M2: 699,520 km (0.091 R)
• M3: 1,700,329 km (0.114 R)
• M4: 2,297,375 km (0.094 R)
• M5: 2,789,551 km (0.12 R)
• M6: 3,478,150 km (0.107 R)
• M7: 4,709,341 km (0.106 R)
• M8: 6,702,134 km (0.1 R)
• M9: 9,083,134 km (0.047 R)
• M10: 10,018,719 km (0.065 R)
• M11: 11,158,804 km (0.056 R)
• M12: 11,736,103 km (0.083 R)
• M13: 21,097,489 km (0.088 R)
• M14: 24,140,160 km (0.092 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 203.1

Radius: 3.2

Gravity: 19.83 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 6.13 AU - 7.59 AU

Year: 11787 Days

Day: 19.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,912,834 km

• M1: 39,793 km (0.073 R)
• M2: 403,765 km (0.108 R)
• M3: 609,911 km (0.062 R)
• M4: 1,403,228 km (0.089 R)
• M5: 2,441,587 km (0.086 R)
• M6: 3,668,140 km (0.12 R)
• M7: 4,765,440 km (0.116 R)
• M8: 5,403,774 km (0.074 R)
• M9: 5,680,680 km (0.111 R)
• M10: 6,229,255 km (0.077 R)
• M11: 7,208,523 km (0.106 R)
• M12: 9,466,404 km (0.089 R)
• M13: 10,658,699 km (0.071 R)
• M14: 11,947,634 km (0.075 R)
• M15: 17,939,777 km (0.078 R)
• M16: 26,533,127 km (0.046 R)
• M17: 26,708,905 km (0.104 R)
• M18: 26,974,142 km (0.072 R)
• M19: 27,689,967 km (0.074 R)
• M20: 35,451,255 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 128.1

Radius: 5.7

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 8.24 AU - 8.76 AU

Year: 16257 Days

Day: 21.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,912,834 km

• M1: 71,508 km (0.107 R)
• M2: 342,878 km (0.09 R)
• M3: 1,264,551 km (0.045 R)
• M4: 1,925,474 km (0.115 R)
• M5: 12,824,277 km (0.07 R)
• M6: 14,968,314 km (0.113 R)
• M7: 17,005,837 km (0.114 R)
• M8: 19,803,617 km (0.069 R)
• M9: 22,092,913 km (0.107 R)
• M10: 25,673,388 km (0.05 R)

Asteroid Belt

Center: 9.47 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 10.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 158.4

Radius: 3.6

Gravity: 12.22 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 8.16 AU - 12.7 AU

Year: 22097 Days

Day: 16.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 49,912,834 km

• M1: 45,627 km (0.095 R)
• M2: 420,220 km (0.101 R)
• M3: 734,077 km (0.053 R)
• M4: 921,224 km (0.101 R)
• M5: 1,070,672 km (0.044 R)
• M6: 1,211,294 km (0.113 R)
• M7: 1,501,813 km (0.09 R)
• M8: 2,781,174 km (0.07 R)
• M9: 3,308,656 km (0.081 R)
• M10: 3,583,318 km (0.074 R)
• M11: 4,235,116 km (0.1 R)
• M12: 4,773,219 km (0.099 R)
• M13: 5,525,397 km (0.107 R)
• M14: 7,056,681 km (0.087 R)
• M15: 8,206,490 km (0.106 R)
• M16: 8,478,011 km (0.114 R)
• M17: 9,280,005 km (0.092 R)
• M18: 10,655,557 km (0.103 R)
• M19: 10,870,230 km (0.113 R)
• M20: 12,873,794 km (0.116 R)
• M21: 15,381,503 km (0.077 R)
• M22: 17,222,904 km (0.095 R)
• M23: 17,370,407 km (0.118 R)
• M24: 17,968,649 km (0.055 R)
• M25: 18,813,428 km (0.104 R)
• M26: 19,048,446 km (0.112 R)
• M27: 22,458,231 km (0.053 R)
• M28: 23,437,798 km (0.079 R)
• M29: 32,096,822 km (0.117 R)
• M30: 32,883,108 km (0.117 R)
• M31: 34,028,429 km (0.063 R)
• M32: 35,200,229 km (0.105 R)
• M33: 39,257,623 km (0.115 R)
• M34: 41,862,271 km (0.089 R)
• M35: 42,665,462 km (0.099 R)
• M36: 43,071,022 km (0.067 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 159 - 19,951 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit