🌌 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: 579.5

Radius: 10.4

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.46 AU - 0.7 AU

Year: 305 Days

Day: 10.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,814,618 km

• M1: 129,402 km (0.048 R)
• M2: 502,798 km (0.094 R)
• M3: 971,638 km (0.056 R)
• M4: 1,577,510 km (0.106 R)
• M5: 1,955,843 km (0.118 R)
• M6: 2,693,210 km (0.061 R)
• M7: 3,419,658 km (0.067 R)
• M8: 3,800,235 km (0.066 R)
• M9: 4,246,485 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.5

Radius: 11.8

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.74 AU - 1.02 AU

Year: 570 Days

Day: 14.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,814,618 km

• M1: 146,756 km (0.093 R)
• M2: 637,736 km (0.093 R)
• M3: 1,178,083 km (0.118 R)
• M4: 1,640,640 km (0.03 R)
• M5: 2,083,599 km (0.111 R)
• M6: 2,615,270 km (0.107 R)
• M7: 2,992,406 km (0.048 R)
• M8: 3,893,883 km (0.119 R)
• M9: 4,324,874 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.6

Radius: 12.6

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.15 AU - 2.31 AU

Year: 2299 Days

Day: 7.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,814,618 km

• M1: 156,779 km (0.055 R)
• M2: 631,453 km (0.042 R)
• M3: 1,141,731 km (0.108 R)
• M4: 1,536,071 km (0.086 R)
• M5: 2,465,074 km (0.076 R)
• M6: 4,276,854 km (0.12 R)
• M7: 4,758,409 km (0.073 R)
• M8: 5,276,018 km (0.06 R)
• M9: 6,966,025 km (0.091 R)
• M10: 7,561,574 km (0.108 R)
• M11: 8,216,813 km (0.077 R)
• M12: 8,638,529 km (0.108 R)
• M13: 9,130,407 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920

Radius: 10.3

Gravity: 8.67 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.81 AU - 2.71 AU

Year: 2345 Days

Day: 8.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,814,618 km

• M1: 128,056 km (0.103 R)
• M2: 495,767 km (0.039 R)
• M3: 866,022 km (0.045 R)
• M4: 1,924,876 km (0.105 R)
• M5: 3,205,434 km (0.118 R)
• M6: 4,337,590 km (0.082 R)
• M7: 4,708,743 km (0.088 R)
• M8: 5,030,378 km (0.089 R)
• M9: 5,952,050 km (0.118 R)
• M10: 6,356,264 km (0.105 R)
• M11: 6,923,838 km (0.06 R)
• M12: 7,838,330 km (0.103 R)
• M13: 9,611,364 km (0.088 R)
• M14: 13,792,774 km (0.108 R)
• M15: 15,386,590 km (0.117 R)
• M16: 17,046,079 km (0.087 R)
• M17: 17,918,983 km (0.111 R)
• M18: 19,576,976 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.7

Radius: 10.9

Gravity: 8.15 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2 AU - 3.3 AU

Year: 2978 Days

Day: 12.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,814,618 km

• M1: 137,331 km (0.082 R)
• M2: 599,887 km (0.111 R)
• M3: 946,955 km (0.091 R)
• M4: 1,486,404 km (0.077 R)
• M5: 1,979,778 km (0.09 R)
• M6: 2,324,003 km (0.112 R)
• M7: 3,081,866 km (0.095 R)
• M8: 3,687,139 km (0.112 R)
• M9: 4,647,108 km (0.1 R)
• M10: 5,684,569 km (0.101 R)
• M11: 6,931,767 km (0.099 R)
• M12: 7,310,399 km (0.074 R)
• M13: 8,109,401 km (0.113 R)
• M14: 9,377,692 km (0.028 R)
• M15: 11,808,209 km (0.078 R)
• M16: 12,766,533 km (0.082 R)
• M17: 15,309,098 km (0.055 R)
• M18: 16,839,933 km (0.099 R)
• M19: 17,468,394 km (0.083 R)
• M20: 18,590,827 km (0.092 R)
• M21: 20,395,725 km (0.052 R)
• M22: 23,212,653 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523

Radius: 13.1

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.49 AU - 3.87 AU

Year: 3914 Days

Day: 10.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,814,618 km

• M1: 162,912 km (0.101 R)
• M2: 596,148 km (0.086 R)
• M3: 1,085,931 km (0.085 R)
• M4: 1,576,014 km (0.101 R)
• M5: 2,026,752 km (0.095 R)
• M6: 2,705,477 km (0.087 R)
• M7: 3,648,393 km (0.029 R)
• M8: 4,142,664 km (0.119 R)
• M9: 4,847,420 km (0.092 R)
• M10: 6,734,747 km (0.106 R)
• M11: 8,147,848 km (0.07 R)
• M12: 11,125,594 km (0.087 R)
• M13: 12,171,732 km (0.114 R)
• M14: 13,092,656 km (0.067 R)
• M15: 15,073,631 km (0.106 R)
• M16: 15,492,655 km (0.119 R)
• M17: 17,077,345 km (0.035 R)
• M18: 20,566,715 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 963.7

Radius: 6.6

Gravity: 22.12 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 8.12 AU - 9.1 AU

Year: 17439 Days

Day: 21.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 77,814,618 km

• M1: 83,924 km (0.084 R)
• M2: 371,601 km (0.079 R)
• M3: 598,541 km (0.073 R)
• M4: 1,183,768 km (0.091 R)
• M5: 2,265,959 km (0.08 R)
• M6: 2,629,183 km (0.107 R)
• M7: 8,101,173 km (0.071 R)
• M8: 9,339,694 km (0.103 R)
• M9: 9,857,004 km (0.087 R)
• M10: 10,637,905 km (0.105 R)
• M11: 11,202,188 km (0.118 R)
• M12: 12,254,310 km (0.095 R)
• M13: 12,874,243 km (0.075 R)
• M14: 13,442,715 km (0.098 R)
• M15: 13,733,085 km (0.097 R)
• M16: 14,937,048 km (0.104 R)
• M17: 16,956,470 km (0.096 R)
• M18: 18,429,261 km (0.117 R)
• M19: 23,988,467 km (0.077 R)
• M20: 25,066,769 km (0.076 R)
• M21: 26,177,084 km (0.105 R)
• M22: 29,216,614 km (0.096 R)
• M23: 30,197,228 km (0.112 R)
• M24: 31,073,123 km (0.108 R)
• M25: 31,837,269 km (0.117 R)
• M26: 32,483,532 km (0.12 R)
• M27: 37,112,240 km (0.103 R)
• M28: 37,397,523 km (0.09 R)
• M29: 50,217,462 km (0.079 R)
• M30: 55,437,081 km (0.116 R)
• M31: 57,317,676 km (0.086 R)
• M32: 59,630,010 km (0.1 R)
• M33: 63,417,081 km (0.104 R)
• M34: 67,149,847 km (0.051 R)
• M35: 67,998,815 km (0.118 R)
• M36: 69,069,935 km (0.102 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 263 - 13,158 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit