🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.6

Radius: 8

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.42 AU - 0.6 AU

Year: 251 Days

Day: 11 Hours

Environment

Temp: -146 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,446,667 km

• M1: 99,782 km (0.109 R)
• M2: 402,717 km (0.116 R)
• M3: 750,832 km (0.029 R)
• M4: 1,071,719 km (0.098 R)
• M5: 1,359,994 km (0.066 R)
• M6: 1,657,395 km (0.112 R)
• M7: 1,920,537 km (0.094 R)
• M8: 2,277,478 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.9

Radius: 10.9

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.41 AU - 0.67 AU

Year: 274 Days

Day: 11.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,446,667 km

• M1: 135,536 km (0.082 R)
• M2: 483,800 km (0.082 R)
• M3: 825,930 km (0.092 R)
• M4: 1,281,455 km (0.112 R)
• M5: 1,812,677 km (0.057 R)
• M6: 2,538,676 km (0.092 R)
• M7: 3,067,205 km (0.084 R)
• M8: 3,804,124 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.3

Radius: 14.9

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.01 AU - 1.05 AU

Year: 722 Days

Day: 9.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,446,667 km

• M1: 185,352 km (0.085 R)
• M2: 747,092 km (0.079 R)
• M3: 1,231,340 km (0.117 R)
• M4: 1,765,105 km (0.045 R)
• M5: 2,329,987 km (0.118 R)
• M6: 2,870,185 km (0.108 R)
• M7: 3,389,888 km (0.119 R)
• M8: 4,063,228 km (0.088 R)
• M9: 4,751,827 km (0.079 R)
• M10: 5,295,017 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.1

Radius: 14.9

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.22 AU - 1.44 AU

Year: 1059 Days

Day: 6.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,446,667 km

• M1: 185,501 km (0.059 R)
• M2: 651,050 km (0.092 R)
• M3: 1,311,674 km (0.105 R)
• M4: 1,847,683 km (0.092 R)
• M5: 2,337,916 km (0.104 R)
• M6: 2,855,225 km (0.051 R)
• M7: 3,704,043 km (0.115 R)
• M8: 4,173,033 km (0.102 R)
• M9: 4,785,037 km (0.107 R)
• M10: 5,629,517 km (0.097 R)
• M11: 6,294,929 km (0.107 R)
• M12: 6,833,780 km (0.09 R)
• M13: 7,497,396 km (0.108 R)
• M14: 8,004,533 km (0.088 R)
• M15: 8,508,828 km (0.106 R)
• M16: 9,305,287 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.6

Radius: 8.7

Gravity: 12.78 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.38 AU - 1.86 AU

Year: 1423 Days

Day: 11.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,446,667 km

• M1: 108,159 km (0.088 R)
• M2: 493,374 km (0.118 R)
• M3: 1,416,692 km (0.097 R)
• M4: 1,799,363 km (0.102 R)
• M5: 2,119,203 km (0.099 R)
• M6: 2,438,146 km (0.072 R)
• M7: 3,526,321 km (0.115 R)
• M8: 3,887,450 km (0.102 R)
• M9: 4,603,725 km (0.056 R)
• M10: 5,142,576 km (0.094 R)
• M11: 6,101,349 km (0.115 R)
• M12: 6,547,001 km (0.105 R)
• M13: 6,908,430 km (0.078 R)
• M14: 8,220,403 km (0.056 R)
• M15: 11,183,488 km (0.07 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 118.1

Radius: 4.3

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 5.77 AU - 6.53 AU

Year: 10527 Days

Day: 22.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,446,667 km

• M1: 60,438 km (0.03 R)
• M2: 214,224 km (0.042 R)
• M3: 453,730 km (0.079 R)
• M4: 639,082 km (0.076 R)
• M5: 1,204,712 km (0.031 R)
• M6: 2,400,747 km (0.073 R)
• M7: 2,969,368 km (0.062 R)
• M8: 4,764,094 km (0.106 R)
• M9: 5,237,421 km (0.042 R)
• M10: 5,429,655 km (0.101 R)
• M11: 7,142,102 km (0.109 R)
• M12: 7,378,765 km (0.052 R)
• M13: 7,725,982 km (0.087 R)
• M14: 8,641,222 km (0.056 R)
• M15: 12,879,629 km (0.106 R)
• M16: 13,079,342 km (0.102 R)
• M17: 13,230,436 km (0.034 R)
• M18: 16,619,575 km (0.084 R)
• M19: 18,576,316 km (0.093 R)
• M20: 22,217,229 km (0.101 R)
• M21: 23,455,001 km (0.114 R)
• M22: 23,752,701 km (0.102 R)

Asteroid Belt

Center: 6.52 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 967.1

Radius: 4.6

Gravity: 45.7 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 6.75 AU - 7.03 AU

Year: 12484 Days

Day: 22 Hours

Environment

Temp: -229 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,446,667 km

• M1: 67,020 km (0.051 R)
• M2: 352,602 km (0.092 R)
• M3: 498,011 km (0.093 R)
• M4: 738,714 km (0.1 R)
• M5: 1,042,099 km (0.044 R)
• M6: 1,229,545 km (0.081 R)
• M7: 1,395,449 km (0.1 R)
• M8: 2,022,563 km (0.111 R)
• M9: 2,505,316 km (0.101 R)
• M10: 3,723,641 km (0.113 R)
• M11: 4,413,137 km (0.118 R)
• M12: 4,974,877 km (0.103 R)
• M13: 5,399,137 km (0.117 R)
• M14: 7,119,213 km (0.057 R)
• M15: 8,319,437 km (0.082 R)
• M16: 13,850,070 km (0.027 R)
• M17: 15,410,077 km (0.088 R)
• M18: 17,882,780 km (0.108 R)
• M19: 19,469,564 km (0.11 R)
• M20: 25,399,325 km (0.117 R)
• M21: 26,439,180 km (0.088 R)
• M22: 27,724,225 km (0.113 R)
• M23: 28,271,754 km (0.097 R)
• M24: 36,318,922 km (0.095 R)
• M25: 36,974,161 km (0.101 R)
• M26: 42,214,425 km (0.105 R)
• M27: 45,312,297 km (0.112 R)
• M28: 57,609,841 km (0.104 R)
• M29: 59,581,840 km (0.085 R)
• M30: 60,310,082 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 636.2

Radius: 6.8

Gravity: 13.76 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 7.25 AU - 7.35 AU

Year: 13614 Days

Day: 19.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 57,446,667 km

• M1: 84,672 km (0.101 R)
• M2: 484,248 km (0.112 R)
• M3: 773,421 km (0.118 R)
• M4: 1,024,596 km (0.12 R)
• M5: 1,303,745 km (0.073 R)
• M6: 1,728,155 km (0.116 R)
• M7: 2,183,680 km (0.113 R)
• M8: 2,607,790 km (0.092 R)
• M9: 2,990,162 km (0.098 R)
• M10: 4,709,191 km (0.094 R)
• M11: 5,667,964 km (0.081 R)
• M12: 6,999,834 km (0.057 R)
• M13: 7,693,669 km (0.093 R)
• M14: 9,117,093 km (0.072 R)
• M15: 11,218,793 km (0.107 R)
• M16: 19,258,183 km (0.113 R)
• M17: 20,013,802 km (0.026 R)
• M18: 23,329,040 km (0.078 R)
• M19: 28,798,039 km (0.103 R)
• M20: 29,343,922 km (0.026 R)
• M21: 30,682,224 km (0.085 R)
• M22: 31,944,232 km (0.077 R)
• M23: 33,240,348 km (0.107 R)
• M24: 34,448,949 km (0.085 R)
• M25: 35,187,813 km (0.076 R)
• M26: 36,442,939 km (0.094 R)
• M27: 40,386,937 km (0.118 R)
• M28: 40,933,418 km (0.098 R)
• M29: 41,208,379 km (0.099 R)
• M30: 41,762,340 km (0.105 R)
• M31: 43,739,874 km (0.096 R)
• M32: 46,373,246 km (0.112 R)
• M33: 47,425,218 km (0.099 R)
• M34: 51,471,840 km (0.11 R)
• M35: 53,087,796 km (0.09 R)
• M36: 54,073,347 km (0.08 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 555 - 15,500 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit