🌌 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: 764.8

Radius: 13.4

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.67 AU - 0.71 AU

Year: 396 Days

Day: 9.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,165,473 km

• M1: 167,101 km (0.067 R)
• M2: 585,077 km (0.107 R)
• M3: 1,044,642 km (0.119 R)
• M4: 1,470,846 km (0.093 R)
• M5: 2,374,866 km (0.095 R)
• M6: 2,868,539 km (0.112 R)
• M7: 3,489,819 km (0.088 R)
• M8: 4,092,699 km (0.064 R)
• M9: 5,395,546 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.9

Radius: 8.6

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.6 AU - 0.88 AU

Year: 439 Days

Day: 6 Hours

Environment

Temp: -167 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,165,473 km

• M1: 107,710 km (0.096 R)
• M2: 400,773 km (0.11 R)
• M3: 675,584 km (0.113 R)
• M4: 1,108,221 km (0.032 R)
• M5: 1,427,164 km (0.107 R)
• M6: 1,718,281 km (0.072 R)
• M7: 2,271,195 km (0.067 R)
• M8: 2,860,162 km (0.034 R)
• M9: 3,637,771 km (0.103 R)
• M10: 4,405,059 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.7

Radius: 12

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.72 AU - 0.94 AU

Year: 522 Days

Day: 6.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,165,473 km

• M1: 154,983 km (0.106 R)
• M2: 772,075 km (0.078 R)
• M3: 1,180,626 km (0.108 R)
• M4: 1,623,586 km (0.036 R)
• M5: 2,005,210 km (0.062 R)
• M6: 2,985,525 km (0.045 R)
• M7: 3,420,406 km (0.088 R)
• M8: 3,824,918 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.7

Radius: 8.3

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.95 AU - 1.11 AU

Year: 722 Days

Day: 12.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,165,473 km

• M1: 103,522 km (0.093 R)
• M2: 409,001 km (0.059 R)
• M3: 692,638 km (0.096 R)
• M4: 1,026,092 km (0.075 R)
• M5: 1,296,116 km (0.066 R)
• M6: 1,658,741 km (0.063 R)
• M7: 2,079,410 km (0.113 R)
• M8: 2,411,218 km (0.031 R)
• M9: 2,941,992 km (0.117 R)
• M10: 3,676,667 km (0.055 R)
• M11: 4,394,886 km (0.073 R)
• M12: 4,741,205 km (0.082 R)
• M13: 5,522,555 km (0.093 R)
• M14: 5,801,405 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.9

Radius: 14.5

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.6 AU - 1.8 AU

Year: 1530 Days

Day: 12 Hours

Environment

Temp: -197 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,165,473 km

• M1: 180,565 km (0.095 R)
• M2: 663,167 km (0.09 R)
• M3: 1,129,913 km (0.107 R)
• M4: 1,671,906 km (0.035 R)
• M5: 2,579,366 km (0.1 R)
• M6: 4,196,519 km (0.118 R)
• M7: 5,084,682 km (0.099 R)
• M8: 6,050,336 km (0.086 R)
• M9: 6,792,043 km (0.105 R)
• M10: 7,567,707 km (0.097 R)
• M11: 8,373,890 km (0.102 R)
• M12: 9,118,289 km (0.074 R)
• M13: 10,285,452 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.6

Radius: 8.2

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.97 AU - 3.65 AU

Year: 4157 Days

Day: 5.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,165,473 km

• M1: 102,325 km (0.032 R)
• M2: 363,224 km (0.084 R)
• M3: 658,081 km (0.058 R)
• M4: 1,035,217 km (0.064 R)
• M5: 1,327,532 km (0.06 R)
• M6: 2,420,793 km (0.079 R)
• M7: 3,134,973 km (0.093 R)
• M8: 3,541,281 km (0.054 R)
• M9: 4,689,145 km (0.095 R)
• M10: 6,378,255 km (0.087 R)
• M11: 6,759,430 km (0.11 R)
• M12: 7,124,748 km (0.056 R)
• M13: 7,471,067 km (0.097 R)
• M14: 8,231,772 km (0.087 R)
• M15: 9,226,149 km (0.071 R)
• M16: 9,599,995 km (0.091 R)
• M17: 10,298,617 km (0.03 R)
• M18: 11,451,867 km (0.097 R)
• M19: 12,597,786 km (0.084 R)
• M20: 13,482,209 km (0.108 R)
• M21: 15,635,969 km (0.112 R)
• M22: 15,953,715 km (0.084 R)
• M23: 16,547,469 km (0.107 R)
• M24: 19,311,888 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 525.7

Radius: 4

Gravity: 32.86 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 6.93 AU - 10.99 AU

Year: 18513 Days

Day: 17.6 Hours

Environment

Temp: -244 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 66,165,473 km

• M1: 49,816 km (0.069 R)
• M2: 216,019 km (0.105 R)
• M3: 416,331 km (0.042 R)
• M4: 907,760 km (0.107 R)
• M5: 1,336,657 km (0.026 R)
• M6: 2,057,719 km (0.112 R)
• M7: 2,216,292 km (0.091 R)
• M8: 3,371,637 km (0.078 R)
• M9: 4,155,530 km (0.096 R)
• M10: 4,344,921 km (0.092 R)
• M11: 5,018,410 km (0.1 R)
• M12: 6,074,571 km (0.097 R)
• M13: 6,957,947 km (0.107 R)
• M14: 7,733,312 km (0.1 R)
• M15: 8,717,218 km (0.09 R)
• M16: 9,133,249 km (0.03 R)
• M17: 11,723,088 km (0.118 R)
• M18: 12,293,953 km (0.096 R)
• M19: 13,016,511 km (0.074 R)
• M20: 18,123,034 km (0.096 R)
• M21: 18,971,553 km (0.072 R)
• M22: 21,207,742 km (0.107 R)
• M23: 22,630,418 km (0.092 R)
• M24: 28,054,089 km (0.055 R)
• M25: 31,667,027 km (0.115 R)
• M26: 32,771,358 km (0.113 R)
• M27: 35,709,461 km (0.076 R)
• M28: 41,810,361 km (0.114 R)
• M29: 46,189,539 km (0.117 R)
• M30: 46,345,720 km (0.108 R)
• M31: 48,408,973 km (0.093 R)
• M32: 53,574,289 km (0.074 R)
• M33: 60,953,353 km (0.071 R)
• M34: 64,786,799 km (0.109 R)
• M35: 64,982,473 km (0.108 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 247 - 13,503 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit