🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.8

Radius: 8.2

Gravity: 10.5 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.75 AU - 0.79 AU

Year: 458 Days

Day: 14.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,752,063 km

• M1: 103,223 km (0.07 R)
• M2: 370,255 km (0.092 R)
• M3: 1,138,739 km (0.051 R)
• M4: 2,087,788 km (0.094 R)
• M5: 2,483,923 km (0.11 R)
• M6: 2,789,402 km (0.094 R)
• M7: 3,063,016 km (0.101 R)
• M8: 3,427,437 km (0.053 R)
• M9: 3,807,266 km (0.111 R)
• M10: 4,400,870 km (0.047 R)
• M11: 4,681,965 km (0.076 R)
• M12: 5,736,480 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.1

Radius: 10.4

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.16 AU - 1.28 AU

Year: 914 Days

Day: 10.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,752,063 km

• M1: 129,402 km (0.1 R)
• M2: 572,960 km (0.09 R)
• M3: 1,078,900 km (0.048 R)
• M4: 1,449,753 km (0.102 R)
• M5: 1,879,697 km (0.081 R)
• M6: 2,331,483 km (0.07 R)
• M7: 2,714,154 km (0.091 R)
• M8: 3,177,160 km (0.119 R)
• M9: 3,720,948 km (0.069 R)
• M10: 4,262,642 km (0.059 R)
• M11: 4,995,372 km (0.071 R)
• M12: 5,868,724 km (0.103 R)
• M13: 6,775,437 km (0.068 R)
• M14: 7,749,469 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52

Radius: 9.3

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.01 AU - 1.65 AU

Year: 1040 Days

Day: 5.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 76,752,063 km

• M1: 115,789 km (0.094 R)
• M2: 480,658 km (0.118 R)
• M3: 1,158,037 km (0.084 R)
• M4: 1,902,436 km (0.11 R)
• M5: 2,397,306 km (0.097 R)
• M6: 2,689,471 km (0.113 R)
• M7: 3,818,336 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.6

Radius: 9.6

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.3 AU - 1.94 AU

Year: 1399 Days

Day: 12.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,752,063 km

• M1: 119,379 km (0.115 R)
• M2: 534,962 km (0.058 R)
• M3: 1,509,742 km (0.116 R)
• M4: 3,189,127 km (0.116 R)
• M5: 3,591,546 km (0.042 R)
• M6: 3,947,289 km (0.062 R)
• M7: 4,412,240 km (0.092 R)
• M8: 5,352,911 km (0.088 R)
• M9: 5,715,087 km (0.102 R)
• M10: 7,502,632 km (0.103 R)
• M11: 8,403,212 km (0.096 R)
• M12: 9,174,089 km (0.069 R)
• M13: 9,961,573 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.2

Radius: 9.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.03 AU - 3.19 AU

Year: 3720 Days

Day: 9.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,752,063 km

• M1: 123,119 km (0.111 R)
• M2: 437,574 km (0.076 R)
• M3: 855,101 km (0.095 R)
• M4: 1,344,286 km (0.053 R)
• M5: 2,400,747 km (0.103 R)
• M6: 3,032,050 km (0.068 R)
• M7: 3,341,418 km (0.118 R)
• M8: 3,989,775 km (0.107 R)
• M9: 7,239,939 km (0.067 R)
• M10: 7,823,969 km (0.118 R)
• M11: 8,670,543 km (0.103 R)
• M12: 9,452,491 km (0.107 R)
• M13: 10,882,198 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692

Radius: 13.6

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 3.64 AU - 5.3 AU

Year: 6410 Days

Day: 7.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,752,063 km

• M1: 169,195 km (0.108 R)
• M2: 654,939 km (0.072 R)
• M3: 1,747,752 km (0.095 R)
• M4: 2,231,701 km (0.112 R)
• M5: 3,326,159 km (0.091 R)
• M6: 3,887,450 km (0.115 R)
• M7: 8,326,169 km (0.119 R)
• M8: 14,126,826 km (0.092 R)
• M9: 15,362,953 km (0.09 R)
• M10: 16,226,283 km (0.094 R)
• M11: 22,962,226 km (0.085 R)
• M12: 26,111,411 km (0.028 R)
• M13: 28,885,554 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.6

Radius: 13.1

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.42 AU - 5.76 AU

Year: 7789 Days

Day: 6.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 76,752,063 km

• M1: 165,904 km (0.087 R)
• M2: 693,237 km (0.09 R)
• M3: 1,395,599 km (0.095 R)
• M4: 1,991,596 km (0.101 R)
• M5: 3,149,634 km (0.085 R)
• M6: 3,655,274 km (0.117 R)
• M7: 4,135,484 km (0.083 R)
• M8: 5,131,656 km (0.091 R)
• M9: 5,605,133 km (0.112 R)
• M10: 6,281,764 km (0.097 R)
• M11: 8,687,448 km (0.1 R)
• M12: 9,548,383 km (0.109 R)
• M13: 9,975,635 km (0.099 R)
• M14: 10,665,730 km (0.054 R)
• M15: 11,599,520 km (0.112 R)
• M16: 12,813,955 km (0.116 R)
• M17: 13,393,348 km (0.061 R)
• M18: 16,286,720 km (0.079 R)
• M19: 18,094,760 km (0.099 R)
• M20: 18,824,648 km (0.118 R)
• M21: 21,615,696 km (0.072 R)
• M22: 22,604,388 km (0.035 R)
• M23: 23,882,402 km (0.085 R)
• M24: 26,396,095 km (0.044 R)
• M25: 28,005,619 km (0.094 R)
• M26: 29,379,526 km (0.05 R)
• M27: 30,083,085 km (0.059 R)
• M28: 32,049,549 km (0.116 R)
• M29: 37,280,089 km (0.086 R)
• M30: 41,150,185 km (0.111 R)
• M31: 41,778,197 km (0.052 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 934.8

Radius: 5.7

Gravity: 28.77 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 7.74 AU - 9.62 AU

Year: 17345 Days

Day: 22.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 76,752,063 km

• M1: 70,909 km (0.059 R)
• M2: 340,186 km (0.109 R)
• M3: 1,078,750 km (0.116 R)
• M4: 1,327,532 km (0.107 R)
• M5: 1,514,080 km (0.067 R)
• M6: 2,513,543 km (0.111 R)
• M7: 3,769,118 km (0.031 R)
• M8: 4,689,893 km (0.058 R)
• M9: 5,551,577 km (0.105 R)
• M10: 7,293,943 km (0.047 R)
• M11: 7,880,666 km (0.099 R)
• M12: 8,237,158 km (0.114 R)
• M13: 8,711,234 km (0.056 R)
• M14: 13,537,261 km (0.08 R)
• M15: 14,048,586 km (0.081 R)
• M16: 16,386,801 km (0.098 R)
• M17: 17,135,838 km (0.093 R)
• M18: 19,704,882 km (0.06 R)
• M19: 19,984,480 km (0.068 R)
• M20: 22,016,319 km (0.058 R)
• M21: 25,701,961 km (0.118 R)
• M22: 27,054,625 km (0.093 R)
• M23: 27,632,073 km (0.036 R)
• M24: 29,901,174 km (0.113 R)
• M25: 34,942,173 km (0.117 R)
• M26: 43,916,250 km (0.045 R)
• M27: 46,831,015 km (0.101 R)
• M28: 47,998,626 km (0.119 R)
• M29: 50,045,125 km (0.028 R)
• M30: 52,684,032 km (0.078 R)
• M31: 56,532,287 km (0.097 R)
• M32: 58,620,973 km (0.072 R)
• M33: 61,749,962 km (0.109 R)
• M34: 68,551,429 km (0.083 R)
• M35: 69,193,503 km (0.109 R)
• M36: 70,707,134 km (0.076 R)
• M37: 73,352,922 km (0.092 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 201 - 14,194 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit