🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.1

Radius: 14.8

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.44 AU - 0.62 AU

Year: 257 Days

Day: 8.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 47,102,546 km

• M1: 184,005 km (0.099 R)
• M2: 650,751 km (0.108 R)
• M3: 1,120,189 km (0.06 R)
• M4: 1,644,529 km (0.075 R)
• M5: 2,349,435 km (0.109 R)
• M6: 2,856,871 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.9

Radius: 11.8

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.76 AU - 1.06 AU

Year: 579 Days

Day: 5.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,102,546 km

• M1: 146,756 km (0.105 R)
• M2: 521,648 km (0.03 R)
• M3: 1,144,274 km (0.068 R)
• M4: 1,699,881 km (0.117 R)
• M5: 2,069,537 km (0.104 R)
• M6: 2,525,362 km (0.112 R)
• M7: 2,975,801 km (0.09 R)
• M8: 3,426,988 km (0.097 R)
• M9: 4,358,684 km (0.087 R)
• M10: 4,759,307 km (0.093 R)
• M11: 5,747,101 km (0.088 R)
• M12: 6,656,806 km (0.079 R)
• M13: 7,059,673 km (0.12 R)
• M14: 7,501,286 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.7

Radius: 9

Gravity: 10.9 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.98 AU - 1.04 AU

Year: 677 Days

Day: 7.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,102,546 km

• M1: 112,049 km (0.089 R)
• M2: 433,385 km (0.115 R)
• M3: 791,822 km (0.053 R)
• M4: 1,328,279 km (0.12 R)
• M5: 1,720,675 km (0.075 R)
• M6: 2,120,550 km (0.098 R)
• M7: 2,812,590 km (0.116 R)
• M8: 3,370,590 km (0.062 R)
• M9: 4,185,599 km (0.098 R)
• M10: 5,019,158 km (0.101 R)
• M11: 6,181,085 km (0.053 R)
• M12: 6,555,977 km (0.043 R)
• M13: 7,214,507 km (0.097 R)
• M14: 7,844,314 km (0.083 R)
• M15: 8,384,213 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.6

Radius: 10.4

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.06 AU - 1.34 AU

Year: 877 Days

Day: 10 Hours

Environment

Temp: -179 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,102,546 km

• M1: 129,402 km (0.097 R)
• M2: 501,153 km (0.081 R)
• M3: 1,048,382 km (0.113 R)
• M4: 1,442,722 km (0.12 R)
• M5: 3,973,918 km (0.088 R)
• M6: 4,510,376 km (0.07 R)
• M7: 5,094,406 km (0.114 R)
• M8: 5,539,609 km (0.109 R)
• M9: 5,903,581 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.9

Radius: 8.9

Gravity: 10.09 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.96 AU - 2.02 AU

Year: 1872 Days

Day: 5.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,102,546 km

• M1: 110,702 km (0.062 R)
• M2: 429,944 km (0.091 R)
• M3: 766,689 km (0.091 R)
• M4: 1,216,380 km (0.112 R)
• M5: 1,565,691 km (0.042 R)
• M6: 1,857,258 km (0.088 R)
• M7: 2,552,289 km (0.079 R)
• M8: 2,869,138 km (0.107 R)
• M9: 3,180,002 km (0.079 R)
• M10: 4,825,728 km (0.105 R)
• M11: 5,109,814 km (0.088 R)
• M12: 5,711,946 km (0.114 R)
• M13: 8,570,761 km (0.05 R)
• M14: 8,923,663 km (0.113 R)
• M15: 10,325,395 km (0.115 R)
• M16: 10,947,572 km (0.107 R)
• M17: 12,146,450 km (0.106 R)
• M18: 13,048,674 km (0.111 R)
• M19: 13,819,702 km (0.09 R)
• M20: 14,171,855 km (0.098 R)
• M21: 14,575,321 km (0.035 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.1

Radius: 13.8

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 3.1 AU - 3.14 AU

Year: 3675 Days

Day: 8.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,102,546 km

• M1: 171,888 km (0.111 R)
• M2: 722,259 km (0.119 R)
• M3: 1,671,008 km (0.075 R)
• M4: 3,144,547 km (0.084 R)
• M5: 4,415,830 km (0.099 R)
• M6: 5,106,075 km (0.115 R)
• M7: 5,570,127 km (0.097 R)
• M8: 7,389,088 km (0.081 R)
• M9: 8,470,082 km (0.099 R)
• M10: 9,385,920 km (0.058 R)
• M11: 11,720,694 km (0.098 R)
• M12: 15,458,247 km (0.109 R)
• M13: 18,153,402 km (0.084 R)
• M14: 21,345,671 km (0.118 R)
• M15: 23,318,867 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.6

Radius: 10.3

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.58 AU - 3.6 AU

Year: 4536 Days

Day: 10.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,102,546 km

• M1: 128,355 km (0.066 R)
• M2: 524,490 km (0.053 R)
• M3: 1,023,399 km (0.071 R)
• M4: 1,437,636 km (0.068 R)
• M5: 1,939,836 km (0.111 R)
• M6: 2,556,478 km (0.107 R)
• M7: 6,698,095 km (0.03 R)
• M8: 9,591,467 km (0.112 R)
• M9: 10,198,236 km (0.097 R)
• M10: 12,927,949 km (0.062 R)
• M11: 13,891,808 km (0.091 R)
• M12: 14,299,761 km (0.083 R)
• M13: 16,713,373 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 616.3

Radius: 4.6

Gravity: 29.13 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 5.64 AU - 6.74 AU

Year: 10270 Days

Day: 19.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 47,102,546 km

• M1: 57,745 km (0.102 R)
• M2: 260,899 km (0.117 R)
• M3: 450,738 km (0.111 R)
• M4: 675,584 km (0.07 R)
• M5: 922,869 km (0.117 R)
• M6: 1,089,970 km (0.093 R)
• M7: 1,513,631 km (0.108 R)
• M8: 1,717,384 km (0.062 R)
• M9: 1,890,019 km (0.118 R)
• M10: 2,478,986 km (0.096 R)
• M11: 2,659,102 km (0.12 R)
• M12: 3,419,658 km (0.117 R)
• M13: 3,850,051 km (0.115 R)
• M14: 4,064,724 km (0.113 R)
• M15: 4,230,927 km (0.085 R)
• M16: 4,636,337 km (0.085 R)
• M17: 6,188,266 km (0.094 R)
• M18: 8,678,322 km (0.079 R)
• M19: 10,423,531 km (0.071 R)
• M20: 12,046,219 km (0.111 R)
• M21: 16,055,891 km (0.068 R)
• M22: 20,954,473 km (0.07 R)
• M23: 21,956,031 km (0.103 R)
• M24: 22,382,684 km (0.094 R)
• M25: 22,814,722 km (0.093 R)
• M26: 23,784,865 km (0.117 R)
• M27: 24,325,511 km (0.11 R)
• M28: 25,618,785 km (0.071 R)
• M29: 33,897,980 km (0.081 R)
• M30: 35,509,149 km (0.116 R)
• M31: 38,759,312 km (0.107 R)
• M32: 45,017,141 km (0.117 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 417 - 18,918 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit