🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.7

Radius: 12.2

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.43 AU - 0.69 AU

Year: 284 Days

Day: 13 Hours

Environment

Temp: -142 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,193,245 km

• M1: 151,692 km (0.11 R)
• M2: 532,868 km (0.071 R)
• M3: 928,105 km (0.076 R)
• M4: 1,776,475 km (0.06 R)
• M5: 2,212,702 km (0.12 R)
• M6: 2,814,534 km (0.11 R)
• M7: 3,274,548 km (0.108 R)
• M8: 3,658,117 km (0.072 R)
• M9: 4,516,958 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897

Radius: 8.4

Gravity: 12.71 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.82 AU - 0.96 AU

Year: 569 Days

Day: 8.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 26,193,245 km

• M1: 104,419 km (0.094 R)
• M2: 461,809 km (0.034 R)
• M3: 816,356 km (0.11 R)
• M4: 1,156,541 km (0.119 R)
• M5: 1,442,123 km (0.113 R)
• M6: 1,742,067 km (0.087 R)
• M7: 2,296,028 km (0.08 R)
• M8: 2,686,329 km (0.101 R)
• M9: 3,071,244 km (0.112 R)
• M10: 3,413,225 km (0.108 R)
• M11: 3,752,513 km (0.09 R)
• M12: 4,514,714 km (0.109 R)
• M13: 4,874,048 km (0.059 R)
• M14: 6,505,563 km (0.061 R)
• M15: 7,333,886 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.8

Radius: 13.8

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.02 AU - 1.06 AU

Year: 719 Days

Day: 8.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,193,245 km

• M1: 172,187 km (0.055 R)
• M2: 808,427 km (0.115 R)
• M3: 1,395,150 km (0.1 R)
• M4: 2,054,727 km (0.065 R)
• M5: 2,584,004 km (0.102 R)
• M6: 3,120,013 km (0.068 R)
• M7: 3,648,243 km (0.086 R)
• M8: 4,083,423 km (0.102 R)
• M9: 4,512,919 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.8

Radius: 13.5

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.13 AU - 1.41 AU

Year: 971 Days

Day: 14.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 53.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 26,193,245 km

• M1: 167,849 km (0.083 R)
• M2: 588,069 km (0.114 R)
• M3: 1,021,903 km (0.091 R)
• M4: 1,743,713 km (0.107 R)
• M5: 2,237,685 km (0.105 R)
• M6: 2,875,720 km (0.064 R)
• M7: 3,892,836 km (0.083 R)
• M8: 4,642,471 km (0.085 R)
• M9: 5,213,336 km (0.076 R)
• M10: 7,628,145 km (0.104 R)
• M11: 9,109,164 km (0.105 R)
• M12: 10,067,338 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.1

Radius: 11

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.36 AU - 1.96 AU

Year: 1451 Days

Day: 6.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,193,245 km

• M1: 136,882 km (0.043 R)
• M2: 560,094 km (0.101 R)
• M3: 1,012,478 km (0.037 R)
• M4: 1,539,960 km (0.11 R)
• M5: 1,888,524 km (0.101 R)
• M6: 2,301,862 km (0.096 R)
• M7: 3,774,354 km (0.064 R)
• M8: 4,225,093 km (0.088 R)
• M9: 4,824,831 km (0.084 R)
• M10: 5,459,574 km (0.099 R)
• M11: 6,284,906 km (0.104 R)
• M12: 6,871,928 km (0.069 R)
• M13: 8,430,738 km (0.093 R)
• M14: 9,145,367 km (0.116 R)
• M15: 10,086,936 km (0.117 R)
• M16: 10,630,125 km (0.066 R)
• M17: 11,705,585 km (0.034 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.1

Radius: 13.7

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.57 AU - 2.75 AU

Year: 2942 Days

Day: 8.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 26,193,245 km

• M1: 172,935 km (0.095 R)
• M2: 633,547 km (0.057 R)
• M3: 1,250,937 km (0.065 R)
• M4: 2,300,965 km (0.116 R)
• M5: 3,098,621 km (0.112 R)
• M6: 3,993,665 km (0.116 R)
• M7: 4,556,901 km (0.11 R)
• M8: 5,489,045 km (0.059 R)
• M9: 6,133,812 km (0.088 R)
• M10: 6,657,404 km (0.096 R)
• M11: 7,391,631 km (0.069 R)
• M12: 9,959,628 km (0.093 R)
• M13: 10,413,657 km (0.105 R)
• M14: 11,241,682 km (0.093 R)
• M15: 11,901,707 km (0.1 R)
• M16: 13,344,728 km (0.111 R)
• M17: 14,465,366 km (0.097 R)
• M18: 16,159,113 km (0.1 R)
• M19: 17,870,812 km (0.086 R)
• M20: 18,770,643 km (0.115 R)
• M21: 20,116,874 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.8

Radius: 8.7

Gravity: 10.47 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 4.93 AU - 6.29 AU

Year: 9012 Days

Day: 12.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 26,193,245 km

• M1: 108,309 km (0.103 R)
• M2: 450,290 km (0.107 R)
• M3: 780,452 km (0.067 R)
• M4: 1,158,785 km (0.035 R)
• M5: 1,544,748 km (0.079 R)
• M6: 2,802,417 km (0.111 R)
• M7: 3,408,288 km (0.112 R)
• M8: 3,679,060 km (0.104 R)
• M9: 4,697,822 km (0.09 R)
• M10: 5,289,033 km (0.05 R)
• M11: 5,653,453 km (0.083 R)
• M12: 5,999,174 km (0.093 R)
• M13: 7,003,873 km (0.088 R)
• M14: 8,647,655 km (0.106 R)
• M15: 8,921,568 km (0.105 R)
• M16: 9,926,567 km (0.094 R)
• M17: 10,899,252 km (0.117 R)
• M18: 11,934,021 km (0.119 R)
• M19: 13,760,910 km (0.052 R)
• M20: 14,903,389 km (0.111 R)
• M21: 16,946,148 km (0.075 R)
• M22: 18,482,518 km (0.083 R)
• M23: 23,030,443 km (0.104 R)
• M24: 26,127,418 km (0.108 R)
• M25: 29,698,020 km (0.092 R)
• M26: 30,009,482 km (0.11 R)
• M27: 30,638,841 km (0.1 R)
• M28: 31,063,399 km (0.117 R)
• M29: 34,487,695 km (0.106 R)
• M30: 35,527,101 km (0.075 R)
• M31: 36,113,524 km (0.112 R)
• M32: 41,814,849 km (0.118 R)
• M33: 45,978,008 km (0.119 R)
• M34: 46,255,811 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 52.2

Radius: 4.6

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 7.72 AU - 7.78 AU

Year: 14633 Days

Day: 18.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 26,193,245 km

• M1: 59,390 km (0.099 R)
• M2: 480,508 km (0.059 R)
• M3: 637,137 km (0.115 R)
• M4: 1,643,632 km (0.038 R)
• M5: 2,753,498 km (0.092 R)
• M6: 2,947,676 km (0.09 R)
• M7: 3,169,829 km (0.108 R)
• M8: 3,710,925 km (0.044 R)
• M9: 6,018,771 km (0.113 R)
• M10: 6,812,687 km (0.11 R)
• M11: 7,268,063 km (0.103 R)
• M12: 9,098,991 km (0.074 R)
• M13: 13,140,079 km (0.113 R)
• M14: 14,839,959 km (0.106 R)
• M15: 17,149,451 km (0.061 R)
• M16: 19,046,950 km (0.047 R)
• M17: 21,558,250 km (0.067 R)
• M18: 23,325,450 km (0.066 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 - 11,984 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit