🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.8

Radius: 9.1

Gravity: 7.52 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.51 AU - 0.65 AU

Year: 305 Days

Day: 15 Hours

Environment

Temp: -156 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,319,499 km

• M1: 113,246 km (0.111 R)
• M2: 415,433 km (0.08 R)
• M3: 709,692 km (0.037 R)
• M4: 1,072,467 km (0.094 R)
• M5: 1,571,077 km (0.09 R)
• M6: 2,045,302 km (0.119 R)
• M7: 2,435,453 km (0.115 R)
• M8: 2,904,293 km (0.06 R)
• M9: 3,228,322 km (0.095 R)
• M10: 3,610,395 km (0.031 R)
• M11: 4,034,954 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.2

Radius: 13.4

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.61 AU - 0.93 AU

Year: 466 Days

Day: 10.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,319,499 km

• M1: 166,951 km (0.114 R)
• M2: 599,139 km (0.063 R)
• M3: 1,018,612 km (0.119 R)
• M4: 1,530,536 km (0.033 R)
• M5: 2,232,599 km (0.082 R)
• M6: 2,684,683 km (0.109 R)
• M7: 3,301,775 km (0.1 R)
• M8: 4,065,771 km (0.113 R)
• M9: 5,259,412 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.4

Radius: 11.1

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.9 AU - 0.98 AU

Year: 629 Days

Day: 8.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,319,499 km

• M1: 138,079 km (0.114 R)
• M2: 581,487 km (0.092 R)
• M3: 930,948 km (0.045 R)
• M4: 1,583,942 km (0.115 R)
• M5: 1,986,959 km (0.104 R)
• M6: 2,406,132 km (0.075 R)
• M7: 2,779,229 km (0.084 R)
• M8: 3,671,581 km (0.092 R)
• M9: 4,093,447 km (0.063 R)
• M10: 4,678,673 km (0.095 R)
• M11: 5,373,556 km (0.05 R)
• M12: 6,378,105 km (0.074 R)
• M13: 7,618,421 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.7

Radius: 11.9

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.41 AU - 1.97 AU

Year: 1516 Days

Day: 8.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,319,499 km

• M1: 152,440 km (0.1 R)
• M2: 563,535 km (0.097 R)
• M3: 1,038,209 km (0.035 R)
• M4: 3,083,063 km (0.09 R)
• M5: 3,487,426 km (0.078 R)
• M6: 4,638,432 km (0.117 R)
• M7: 5,474,833 km (0.089 R)
• M8: 6,477,887 km (0.076 R)
• M9: 8,398,424 km (0.1 R)
• M10: 8,818,346 km (0.112 R)
• M11: 9,549,430 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.4

Radius: 12.9

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.69 AU - 2.49 AU

Year: 2086 Days

Day: 12.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,319,499 km

• M1: 160,519 km (0.051 R)
• M2: 596,297 km (0.103 R)
• M3: 1,011,730 km (0.075 R)
• M4: 1,475,933 km (0.088 R)
• M5: 1,920,537 km (0.052 R)
• M6: 2,348,687 km (0.032 R)
• M7: 3,317,782 km (0.074 R)
• M8: 3,719,302 km (0.074 R)
• M9: 4,292,262 km (0.084 R)
• M10: 4,857,742 km (0.092 R)
• M11: 5,262,105 km (0.096 R)
• M12: 5,762,510 km (0.106 R)
• M13: 7,083,010 km (0.043 R)
• M14: 9,812,424 km (0.059 R)
• M15: 12,294,551 km (0.037 R)
• M16: 13,570,771 km (0.059 R)
• M17: 15,074,678 km (0.079 R)
• M18: 16,890,048 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.4

Radius: 8.7

Gravity: 10.13 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.74 AU - 2.6 AU

Year: 2206 Days

Day: 12.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,319,499 km

• M1: 108,458 km (0.097 R)
• M2: 387,010 km (0.099 R)
• M3: 672,742 km (0.117 R)
• M4: 1,325,886 km (0.083 R)
• M5: 1,636,302 km (0.1 R)
• M6: 2,338,963 km (0.114 R)
• M7: 2,736,743 km (0.112 R)
• M8: 3,297,137 km (0.098 R)
• M9: 5,091,414 km (0.113 R)
• M10: 5,589,276 km (0.091 R)
• M11: 6,041,660 km (0.061 R)
• M12: 6,710,212 km (0.097 R)
• M13: 7,457,005 km (0.077 R)
• M14: 9,047,230 km (0.07 R)
• M15: 10,361,298 km (0.055 R)
• M16: 10,928,573 km (0.055 R)
• M17: 12,458,810 km (0.113 R)
• M18: 13,629,563 km (0.073 R)
• M19: 13,944,616 km (0.103 R)
• M20: 14,496,183 km (0.073 R)
• M21: 16,238,400 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 588.4

Radius: 5.6

Gravity: 18.76 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 5.62 AU - 5.68 AU

Year: 9270 Days

Day: 20.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 43,319,499 km

• M1: 69,713 km (0.104 R)
• M2: 250,128 km (0.057 R)
• M3: 753,524 km (0.103 R)
• M4: 930,349 km (0.037 R)
• M5: 1,237,324 km (0.092 R)
• M6: 1,434,344 km (0.087 R)
• M7: 3,296,838 km (0.096 R)
• M8: 3,484,434 km (0.106 R)
• M9: 3,679,060 km (0.118 R)
• M10: 5,347,226 km (0.101 R)
• M11: 7,187,131 km (0.087 R)
• M12: 7,503,380 km (0.089 R)
• M13: 8,079,183 km (0.059 R)
• M14: 8,684,007 km (0.101 R)
• M15: 8,952,236 km (0.066 R)
• M16: 10,578,065 km (0.056 R)
• M17: 10,987,515 km (0.103 R)
• M18: 11,460,543 km (0.112 R)
• M19: 13,077,547 km (0.092 R)
• M20: 14,840,857 km (0.094 R)
• M21: 15,945,039 km (0.05 R)
• M22: 18,025,347 km (0.045 R)
• M23: 23,225,069 km (0.117 R)
• M24: 27,964,629 km (0.033 R)
• M25: 28,256,195 km (0.104 R)
• M26: 30,559,404 km (0.044 R)
• M27: 34,745,901 km (0.09 R)
• M28: 37,268,270 km (0.032 R)
• M29: 38,694,237 km (0.106 R)
• M30: 39,420,685 km (0.074 R)
• M31: 40,403,393 km (0.115 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: 288 - 10,876 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit