🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.5

Radius: 8.6

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.57 AU - 0.69 AU

Year: 351 Days

Day: 10.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,100,335 km

• M1: 107,112 km (0.1 R)
• M2: 429,047 km (0.114 R)
• M3: 712,535 km (0.087 R)
• M4: 1,010,982 km (0.092 R)
• M5: 1,743,563 km (0.109 R)
• M6: 2,525,362 km (0.084 R)
• M7: 2,820,219 km (0.073 R)
• M8: 3,128,241 km (0.106 R)
• M9: 3,654,676 km (0.089 R)
• M10: 4,081,329 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.4

Radius: 10.2

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.58 AU - 0.7 AU

Year: 360 Days

Day: 7.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,100,335 km

• M1: 126,859 km (0.086 R)
• M2: 536,608 km (0.056 R)
• M3: 905,516 km (0.108 R)
• M4: 1,472,342 km (0.101 R)
• M5: 1,949,410 km (0.082 R)
• M6: 2,735,247 km (0.115 R)
• M7: 3,496,551 km (0.118 R)
• M8: 3,816,242 km (0.107 R)
• M9: 4,709,939 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.2

Radius: 10.5

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.92 AU - 1.02 AU

Year: 672 Days

Day: 14.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 33,100,335 km

• M1: 130,898 km (0.096 R)
• M2: 539,600 km (0.09 R)
• M3: 934,239 km (0.107 R)
• M4: 1,971,102 km (0.091 R)
• M5: 2,411,069 km (0.113 R)
• M6: 3,084,708 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.7

Radius: 12.1

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.32 AU - 1.6 AU

Year: 1240 Days

Day: 11.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,100,335 km

• M1: 150,495 km (0.088 R)
• M2: 531,521 km (0.104 R)
• M3: 1,051,523 km (0.075 R)
• M4: 1,436,588 km (0.115 R)
• M5: 2,337,168 km (0.072 R)
• M6: 2,858,367 km (0.036 R)
• M7: 3,550,855 km (0.069 R)
• M8: 4,084,321 km (0.066 R)
• M9: 4,651,596 km (0.119 R)
• M10: 5,460,771 km (0.119 R)
• M11: 6,104,491 km (0.114 R)
• M12: 7,758,744 km (0.069 R)
• M13: 9,046,632 km (0.071 R)
• M14: 9,852,965 km (0.039 R)
• M15: 10,306,695 km (0.098 R)
• M16: 10,979,137 km (0.083 R)
• M17: 11,537,885 km (0.104 R)
• M18: 12,337,187 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.3

Radius: 13.4

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.45 AU - 2.67 AU

Year: 2879 Days

Day: 9 Hours

Environment

Temp: -207 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 33,100,335 km

• M1: 166,652 km (0.051 R)
• M2: 599,588 km (0.116 R)
• M3: 1,237,174 km (0.082 R)
• M4: 2,282,265 km (0.09 R)
• M5: 2,720,288 km (0.111 R)
• M6: 3,532,604 km (0.098 R)
• M7: 5,147,962 km (0.065 R)
• M8: 6,628,233 km (0.058 R)
• M9: 7,306,809 km (0.065 R)
• M10: 8,731,130 km (0.109 R)
• M11: 9,547,336 km (0.09 R)
• M12: 11,505,123 km (0.106 R)
• M13: 12,624,714 km (0.107 R)
• M14: 13,717,676 km (0.087 R)
• M15: 14,162,281 km (0.099 R)
• M16: 14,821,409 km (0.086 R)
• M17: 19,585,054 km (0.059 R)
• M18: 20,276,196 km (0.072 R)
• M19: 21,113,944 km (0.116 R)
• M20: 22,721,224 km (0.073 R)
• M21: 23,274,736 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.4

Radius: 9

Gravity: 11.55 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.33 AU - 3.88 AU

Year: 3837 Days

Day: 9.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 33,100,335 km

• M1: 112,498 km (0.113 R)
• M2: 447,746 km (0.113 R)
• M3: 745,745 km (0.109 R)
• M4: 1,449,603 km (0.091 R)
• M5: 1,875,060 km (0.097 R)
• M6: 2,198,790 km (0.102 R)
• M7: 3,381,959 km (0.092 R)
• M8: 3,931,881 km (0.095 R)
• M9: 4,918,778 km (0.116 R)
• M10: 7,138,212 km (0.044 R)
• M11: 7,581,470 km (0.04 R)
• M12: 8,598,736 km (0.093 R)
• M13: 8,944,307 km (0.117 R)
• M14: 9,299,153 km (0.085 R)
• M15: 9,704,414 km (0.101 R)
• M16: 10,991,255 km (0.099 R)
• M17: 11,444,536 km (0.105 R)
• M18: 15,029,500 km (0.065 R)
• M19: 16,746,883 km (0.032 R)
• M20: 17,286,782 km (0.066 R)
• M21: 18,591,425 km (0.052 R)
• M22: 20,703,897 km (0.026 R)
• M23: 22,971,651 km (0.094 R)
• M24: 23,863,104 km (0.036 R)
• M25: 24,777,447 km (0.047 R)
• M26: 25,321,534 km (0.044 R)
• M27: 26,433,645 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.6

Radius: 12.4

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.92 AU - 4.36 AU

Year: 4882 Days

Day: 12.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 33,100,335 km

• M1: 154,235 km (0.086 R)
• M2: 681,418 km (0.102 R)
• M3: 1,381,836 km (0.093 R)
• M4: 1,796,072 km (0.069 R)
• M5: 2,577,721 km (0.034 R)
• M6: 3,096,826 km (0.089 R)
• M7: 3,509,716 km (0.116 R)
• M8: 3,912,882 km (0.049 R)
• M9: 5,546,341 km (0.116 R)
• M10: 6,033,581 km (0.057 R)
• M11: 6,817,923 km (0.099 R)
• M12: 8,197,664 km (0.055 R)
• M13: 8,831,361 km (0.107 R)
• M14: 9,712,492 km (0.045 R)
• M15: 10,286,649 km (0.062 R)
• M16: 10,977,342 km (0.099 R)
• M17: 13,235,971 km (0.103 R)
• M18: 15,136,612 km (0.107 R)
• M19: 18,386,177 km (0.111 R)
• M20: 21,477,467 km (0.11 R)
• M21: 24,332,393 km (0.081 R)
• M22: 25,063,328 km (0.109 R)
• M23: 26,654,601 km (0.106 R)
• M24: 29,030,364 km (0.102 R)
• M25: 29,945,155 km (0.105 R)
• M26: 30,409,657 km (0.044 R)
• M27: 32,413,371 km (0.099 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 309 - 11,382 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit