🌌 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: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.7

Radius: 11.6

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.64 AU - 0.76 AU

Year: 412 Days

Day: 11.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 92,443,408 km

• M1: 144,512 km (0.101 R)
• M2: 526,136 km (0.092 R)
• M3: 1,216,829 km (0.072 R)
• M4: 1,637,199 km (0.11 R)
• M5: 2,652,520 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.2

Radius: 9.6

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.79 AU - 1.29 AU

Year: 746 Days

Day: 14.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 92,443,408 km

• M1: 119,529 km (0.12 R)
• M2: 689,197 km (0.034 R)
• M3: 1,181,225 km (0.106 R)
• M4: 1,581,100 km (0.062 R)
• M5: 1,959,583 km (0.037 R)
• M6: 2,440,390 km (0.073 R)
• M7: 3,724,089 km (0.108 R)
• M8: 4,761,102 km (0.059 R)
• M9: 5,690,404 km (0.112 R)
• M10: 7,170,974 km (0.068 R)
• M11: 7,810,954 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.6

Radius: 14.6

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.02 AU - 1.42 AU

Year: 947 Days

Day: 10.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 92,443,408 km

• M1: 181,612 km (0.082 R)
• M2: 636,689 km (0.11 R)
• M3: 1,319,004 km (0.068 R)
• M4: 1,984,715 km (0.084 R)
• M5: 2,474,050 km (0.053 R)
• M6: 3,070,496 km (0.115 R)
• M7: 4,082,975 km (0.12 R)
• M8: 4,922,518 km (0.101 R)
• M9: 5,874,409 km (0.037 R)
• M10: 6,655,460 km (0.073 R)
• M11: 7,221,688 km (0.059 R)
• M12: 8,018,446 km (0.077 R)
• M13: 8,873,099 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.2

Radius: 11.4

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.27 AU - 1.27 AU

Year: 1006 Days

Day: 14.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 92,443,408 km

• M1: 148,251 km (0.107 R)
• M2: 516,711 km (0.116 R)
• M3: 1,015,770 km (0.04 R)
• M4: 1,494,632 km (0.044 R)
• M5: 1,892,563 km (0.117 R)
• M6: 2,320,562 km (0.11 R)
• M7: 2,980,289 km (0.094 R)
• M8: 3,775,850 km (0.114 R)
• M9: 4,429,144 km (0.116 R)
• M10: 5,067,927 km (0.057 R)
• M11: 6,261,568 km (0.118 R)
• M12: 6,719,787 km (0.044 R)
• M13: 7,797,939 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.5

Radius: 14.7

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.31 AU - 2.85 AU

Year: 2913 Days

Day: 8.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 92,443,408 km

• M1: 189,541 km (0.072 R)
• M2: 945,159 km (0.05 R)
• M3: 1,607,878 km (0.109 R)
• M4: 2,628,734 km (0.114 R)
• M5: 4,162,112 km (0.053 R)
• M6: 5,641,336 km (0.069 R)
• M7: 6,333,226 km (0.114 R)
• M8: 7,947,237 km (0.085 R)
• M9: 8,437,619 km (0.104 R)
• M10: 9,926,118 km (0.111 R)
• M11: 12,580,732 km (0.044 R)
• M12: 14,027,942 km (0.116 R)
• M13: 14,883,642 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 543.4

Radius: 5.8

Gravity: 16.15 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 6.08 AU - 8.32 AU

Year: 13580 Days

Day: 15.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 92,443,408 km

• M1: 72,705 km (0.101 R)
• M2: 282,441 km (0.096 R)
• M3: 500,405 km (0.071 R)
• M4: 786,436 km (0.114 R)
• M5: 1,118,094 km (0.102 R)
• M6: 1,786,947 km (0.106 R)
• M7: 2,482,876 km (0.115 R)
• M8: 4,069,511 km (0.053 R)
• M9: 4,423,011 km (0.08 R)
• M10: 5,123,727 km (0.073 R)
• M11: 6,157,448 km (0.119 R)
• M12: 6,743,423 km (0.116 R)
• M13: 6,987,866 km (0.116 R)
• M14: 8,025,776 km (0.095 R)
• M15: 9,113,353 km (0.102 R)
• M16: 9,312,019 km (0.074 R)
• M17: 11,346,849 km (0.109 R)
• M18: 12,960,860 km (0.085 R)
• M19: 14,184,571 km (0.049 R)
• M20: 15,483,230 km (0.088 R)
• M21: 18,079,800 km (0.092 R)
• M22: 20,019,187 km (0.117 R)
• M23: 21,299,296 km (0.114 R)
• M24: 21,649,654 km (0.096 R)
• M25: 23,927,132 km (0.061 R)
• M26: 24,210,770 km (0.087 R)
• M27: 25,465,746 km (0.054 R)
• M28: 26,159,132 km (0.051 R)
• M29: 28,104,653 km (0.116 R)
• M30: 28,632,135 km (0.078 R)
• M31: 28,845,013 km (0.082 R)
• M32: 31,937,201 km (0.075 R)
• M33: 32,743,384 km (0.073 R)
• M34: 34,516,418 km (0.086 R)
• M35: 45,496,752 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 50.6

Radius: 7.6

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 6.83 AU - 10.45 AU

Year: 17852 Days

Day: 15.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 92,443,408 km

• M1: 95,294 km (0.038 R)
• M2: 814,112 km (0.072 R)
• M3: 1,145,172 km (0.066 R)
• M4: 2,203,128 km (0.062 R)
• M5: 18,469,353 km (0.118 R)
• M6: 23,443,931 km (0.099 R)
• M7: 24,209,423 km (0.078 R)
• M8: 24,676,618 km (0.099 R)
• M9: 28,547,014 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 226.3

Radius: 6.6

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 9.32 AU - 9.9 AU

Year: 20941 Days

Day: 17.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 92,443,408 km

• M1: 85,271 km (0.079 R)
• M2: 605,423 km (0.114 R)
• M3: 1,309,430 km (0.088 R)
• M4: 3,124,651 km (0.093 R)
• M5: 3,980,799 km (0.076 R)
• M6: 4,886,465 km (0.116 R)
• M7: 6,492,398 km (0.105 R)
• M8: 7,565,613 km (0.08 R)
• M9: 8,190,184 km (0.117 R)
• M10: 14,211,947 km (0.099 R)
• M11: 15,369,984 km (0.116 R)
• M12: 25,290,268 km (0.105 R)
• M13: 28,862,067 km (0.062 R)
• M14: 29,941,266 km (0.113 R)
• M15: 32,065,256 km (0.064 R)
• M16: 40,355,671 km (0.105 R)
• M17: 41,432,028 km (0.085 R)
• M18: 47,994,737 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 918.1

Radius: 6.9

Gravity: 19.28 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 9.94 AU - 10.6 AU

Year: 23135 Days

Day: 19.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 92,443,408 km

• M1: 87,066 km (0.115 R)
• M2: 313,108 km (0.118 R)
• M3: 615,446 km (0.094 R)
• M4: 1,346,680 km (0.078 R)
• M5: 1,727,855 km (0.039 R)
• M6: 2,408,975 km (0.111 R)
• M7: 3,404,848 km (0.111 R)
• M8: 3,878,325 km (0.086 R)
• M9: 12,337,187 km (0.064 R)
• M10: 13,072,012 km (0.08 R)
• M11: 13,992,038 km (0.099 R)
• M12: 14,954,402 km (0.119 R)
• M13: 17,735,576 km (0.097 R)
• M14: 19,737,345 km (0.088 R)
• M15: 20,741,446 km (0.092 R)
• M16: 26,759,170 km (0.062 R)
• M17: 32,173,565 km (0.096 R)
• M18: 33,141,613 km (0.049 R)
• M19: 34,271,675 km (0.116 R)
• M20: 36,907,739 km (0.05 R)
• M21: 38,893,502 km (0.118 R)
• M22: 46,142,416 km (0.077 R)
• M23: 52,324,099 km (0.083 R)
• M24: 65,195,051 km (0.114 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 16,450 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit