🌌 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: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.9

Radius: 13.9

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.56 AU - 0.58 AU

Year: 297 Days

Day: 11.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,356,222 km

• M1: 173,085 km (0.075 R)
• M2: 446,400 km (0.065 R)
• M3: 823,835 km (0.069 R)
• M4: 1,092,364 km (0.117 R)
• M5: 1,500,167 km (0.101 R)
• M6: 1,851,573 km (0.113 R)
• M7: 2,597,617 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.4

Radius: 8.9

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.61 AU - 0.77 AU

Year: 396 Days

Day: 5.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,356,222 km

• M1: 111,600 km (0.117 R)
• M2: 355,145 km (0.09 R)
• M3: 562,638 km (0.107 R)
• M4: 768,634 km (0.062 R)
• M5: 936,483 km (0.079 R)
• M6: 1,145,321 km (0.1 R)
• M7: 1,502,561 km (0.115 R)
• M8: 1,731,446 km (0.111 R)
• M9: 1,989,352 km (0.064 R)
• M10: 2,165,728 km (0.082 R)
• M11: 2,369,481 km (0.041 R)
• M12: 2,624,096 km (0.059 R)
• M13: 2,841,761 km (0.11 R)
• M14: 3,358,771 km (0.082 R)
• M15: 3,605,608 km (0.069 R)
• M16: 3,777,945 km (0.087 R)
• M17: 4,135,184 km (0.094 R)
• M18: 4,311,111 km (0.059 R)
• M19: 4,776,660 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.7

Radius: 13.8

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.34 AU - 1.34 AU

Year: 1071 Days

Day: 8.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,356,222 km

• M1: 172,337 km (0.11 R)
• M2: 517,758 km (0.051 R)
• M3: 1,065,436 km (0.068 R)
• M4: 1,332,917 km (0.086 R)
• M5: 1,651,411 km (0.112 R)
• M6: 2,423,785 km (0.102 R)
• M7: 2,827,400 km (0.1 R)
• M8: 3,647,346 km (0.1 R)
• M9: 4,052,906 km (0.065 R)
• M10: 4,467,292 km (0.04 R)
• M11: 5,899,093 km (0.033 R)
• M12: 6,171,211 km (0.052 R)
• M13: 6,683,734 km (0.043 R)
• M14: 6,956,451 km (0.089 R)
• M15: 7,465,083 km (0.042 R)
• M16: 7,899,815 km (0.105 R)
• M17: 8,159,367 km (0.108 R)
• M18: 8,423,108 km (0.077 R)
• M19: 8,885,066 km (0.099 R)
• M20: 9,440,074 km (0.113 R)
• M21: 9,765,001 km (0.075 R)
• M22: 10,389,123 km (0.078 R)
• M23: 10,730,057 km (0.034 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 97.6

Radius: 5.1

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 7.36 AU - 8.26 AU

Year: 15066 Days

Day: 16.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,356,222 km

• M1: 63,878 km (0.064 R)
• M2: 353,649 km (0.11 R)
• M3: 862,581 km (0.097 R)
• M4: 1,115,551 km (0.104 R)
• M5: 1,876,855 km (0.112 R)
• M6: 2,083,150 km (0.047 R)
• M7: 3,596,183 km (0.105 R)
• M8: 4,956,177 km (0.03 R)
• M9: 6,566,150 km (0.054 R)
• M10: 7,224,979 km (0.043 R)
• M11: 8,142,014 km (0.103 R)
• M12: 10,361,298 km (0.069 R)
• M13: 17,948,304 km (0.079 R)
• M14: 19,280,922 km (0.118 R)
• M15: 25,666,656 km (0.093 R)
• M16: 28,464,884 km (0.112 R)
• M17: 30,389,760 km (0.059 R)
• M18: 32,247,766 km (0.1 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 511.2

Radius: 7.2

Gravity: 9.86 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 7.1 AU - 11.04 AU

Year: 18855 Days

Day: 19.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 66,356,222 km

• M1: 89,759 km (0.083 R)
• M2: 304,880 km (0.078 R)
• M3: 935,735 km (0.114 R)
• M4: 1,226,703 km (0.114 R)
• M5: 2,661,346 km (0.091 R)
• M6: 2,820,369 km (0.105 R)
• M7: 3,039,829 km (0.083 R)
• M8: 3,625,654 km (0.065 R)
• M9: 4,067,267 km (0.08 R)
• M10: 4,398,477 km (0.082 R)
• M11: 4,707,995 km (0.073 R)
• M12: 5,739,771 km (0.117 R)
• M13: 6,875,219 km (0.066 R)
• M14: 8,535,157 km (0.099 R)
• M15: 9,063,686 km (0.103 R)
• M16: 9,911,906 km (0.077 R)
• M17: 12,977,166 km (0.074 R)
• M18: 14,356,459 km (0.058 R)
• M19: 17,528,831 km (0.058 R)
• M20: 18,633,612 km (0.09 R)
• M21: 20,135,275 km (0.045 R)
• M22: 21,695,132 km (0.095 R)
• M23: 23,000,822 km (0.114 R)
• M24: 24,025,119 km (0.064 R)
• M25: 24,666,595 km (0.026 R)
• M26: 25,480,407 km (0.11 R)
• M27: 27,572,683 km (0.086 R)
• M28: 29,394,336 km (0.094 R)
• M29: 30,282,349 km (0.068 R)
• M30: 33,683,008 km (0.081 R)
• M31: 38,971,891 km (0.046 R)
• M32: 40,096,717 km (0.038 R)
• M33: 41,028,862 km (0.107 R)
• M34: 43,031,977 km (0.091 R)
• M35: 46,736,020 km (0.081 R)
• M36: 47,181,822 km (0.119 R)
• M37: 47,742,216 km (0.085 R)
• M38: 48,305,751 km (0.081 R)
• M39: 55,085,676 km (0.084 R)
• M40: 57,773,950 km (0.082 R)
• M41: 58,767,429 km (0.098 R)
• M42: 62,955,122 km (0.109 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: 513 - 19,473 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit