🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.4

Radius: 10.9

Gravity: 7.74 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.89 AU - 1.03 AU

Year: 607 Days

Day: 6.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,135,262 km

• M1: 139,126 km (0.108 R)
• M2: 645,814 km (0.038 R)
• M3: 1,226,553 km (0.109 R)
• M4: 1,607,728 km (0.118 R)
• M5: 2,068,789 km (0.062 R)
• M6: 2,445,177 km (0.099 R)
• M7: 3,047,458 km (0.107 R)
• M8: 3,430,728 km (0.101 R)
• M9: 3,977,359 km (0.118 R)
• M10: 4,389,202 km (0.086 R)
• M11: 5,371,312 km (0.114 R)
• M12: 6,535,183 km (0.097 R)
• M13: 7,860,022 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.1

Radius: 10.9

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.2 AU - 1.2 AU

Year: 849 Days

Day: 8.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,135,262 km

• M1: 135,984 km (0.088 R)
• M2: 613,501 km (0.114 R)
• M3: 987,196 km (0.061 R)
• M4: 1,576,014 km (0.041 R)
• M5: 2,120,550 km (0.12 R)
• M6: 2,530,149 km (0.112 R)
• M7: 3,098,621 km (0.041 R)
• M8: 3,973,319 km (0.102 R)
• M9: 4,824,531 km (0.118 R)
• M10: 5,433,245 km (0.045 R)
• M11: 6,783,665 km (0.1 R)
• M12: 7,180,399 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.1

Radius: 11.8

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.03 AU - 2.49 AU

Year: 2194 Days

Day: 7.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,135,262 km

• M1: 146,756 km (0.111 R)
• M2: 626,815 km (0.034 R)
• M3: 1,130,062 km (0.093 R)
• M4: 1,920,537 km (0.072 R)
• M5: 2,385,039 km (0.094 R)
• M6: 3,035,939 km (0.093 R)
• M7: 3,703,744 km (0.056 R)
• M8: 4,541,791 km (0.078 R)
• M9: 5,026,040 km (0.04 R)
• M10: 5,395,995 km (0.082 R)
• M11: 6,665,483 km (0.07 R)
• M12: 7,087,798 km (0.115 R)
• M13: 9,108,715 km (0.034 R)
• M14: 10,009,444 km (0.105 R)
• M15: 10,731,702 km (0.11 R)
• M16: 11,915,770 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.2

Radius: 8.1

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.31 AU - 3.55 AU

Year: 3238 Days

Day: 10.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,135,262 km

• M1: 105,766 km (0.089 R)
• M2: 755,918 km (0.055 R)
• M3: 1,211,144 km (0.03 R)
• M4: 2,135,958 km (0.064 R)
• M5: 4,690,492 km (0.081 R)
• M6: 5,808,586 km (0.103 R)
• M7: 6,581,110 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.8

Radius: 8.5

Gravity: 10.63 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.92 AU - 3.06 AU

Year: 3338 Days

Day: 13.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,135,262 km

• M1: 105,766 km (0.082 R)
• M2: 399,726 km (0.106 R)
• M3: 669,600 km (0.117 R)
• M4: 947,553 km (0.072 R)
• M5: 1,256,173 km (0.034 R)
• M6: 1,575,864 km (0.087 R)
• M7: 1,936,993 km (0.118 R)
• M8: 2,352,726 km (0.114 R)
• M9: 2,861,059 km (0.034 R)
• M10: 3,364,157 km (0.069 R)
• M11: 4,523,540 km (0.11 R)
• M12: 6,242,719 km (0.082 R)
• M13: 6,596,668 km (0.107 R)
• M14: 7,976,409 km (0.092 R)
• M15: 9,890,364 km (0.038 R)
• M16: 11,426,136 km (0.097 R)
• M17: 12,273,757 km (0.104 R)
• M18: 14,498,726 km (0.114 R)
• M19: 16,141,610 km (0.065 R)
• M20: 16,473,418 km (0.114 R)
• M21: 22,420,682 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 404.3

Radius: 5.1

Gravity: 15.54 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 6.37 AU - 8.33 AU

Year: 12866 Days

Day: 24.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 51,135,262 km

• M1: 77,043 km (0.044 R)
• M2: 247,285 km (0.113 R)
• M3: 937,380 km (0.119 R)
• M4: 1,576,462 km (0.101 R)
• M5: 1,817,465 km (0.085 R)
• M6: 2,082,552 km (0.12 R)
• M7: 2,508,607 km (0.119 R)
• M8: 3,313,294 km (0.109 R)
• M9: 3,684,147 km (0.101 R)
• M10: 4,994,923 km (0.1 R)
• M11: 7,880,217 km (0.111 R)
• M12: 8,585,123 km (0.102 R)
• M13: 9,331,167 km (0.072 R)
• M14: 9,621,686 km (0.091 R)
• M15: 9,918,339 km (0.087 R)
• M16: 10,272,138 km (0.108 R)
• M17: 11,112,279 km (0.078 R)
• M18: 11,997,151 km (0.052 R)
• M19: 14,477,783 km (0.083 R)
• M20: 14,933,009 km (0.117 R)
• M21: 17,498,613 km (0.036 R)
• M22: 18,693,900 km (0.096 R)
• M23: 19,546,458 km (0.066 R)
• M24: 22,003,004 km (0.032 R)
• M25: 28,620,616 km (0.074 R)
• M26: 29,131,193 km (0.083 R)
• M27: 33,775,310 km (0.115 R)
• M28: 37,535,303 km (0.076 R)
• M29: 39,014,227 km (0.09 R)
• M30: 41,175,318 km (0.106 R)
• M31: 41,825,919 km (0.077 R)
• M32: 42,219,361 km (0.083 R)
• M33: 45,873,439 km (0.033 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 309.3

Radius: 5

Gravity: 12.37 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 8.11 AU - 9.17 AU

Year: 16398 Days

Day: 17.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 51,135,262 km

• M1: 62,233 km (0.119 R)
• M2: 224,397 km (0.109 R)
• M3: 390,899 km (0.094 R)
• M4: 628,610 km (0.095 R)
• M5: 813,214 km (0.065 R)
• M6: 1,023,399 km (0.109 R)
• M7: 1,373,308 km (0.102 R)
• M8: 1,999,525 km (0.115 R)
• M9: 2,425,281 km (0.117 R)
• M10: 3,355,480 km (0.095 R)
• M11: 4,442,458 km (0.046 R)
• M12: 5,640,139 km (0.082 R)
• M13: 6,294,330 km (0.109 R)
• M14: 7,326,705 km (0.076 R)
• M15: 12,471,376 km (0.118 R)
• M16: 14,946,622 km (0.047 R)
• M17: 16,121,265 km (0.098 R)
• M18: 16,622,268 km (0.052 R)
• M19: 18,887,778 km (0.048 R)
• M20: 24,579,678 km (0.09 R)
• M21: 24,957,413 km (0.087 R)
• M22: 27,710,313 km (0.115 R)
• M23: 33,693,928 km (0.103 R)
• M24: 33,926,404 km (0.094 R)
• M25: 39,702,676 km (0.092 R)
• M26: 42,482,654 km (0.112 R)
• M27: 43,989,403 km (0.117 R)
• M28: 47,108,968 km (0.108 R)
• M29: 49,768,668 km (0.114 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 264 - 14,614 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit