🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522

Radius: 12.9

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.99 AU - 1.21 AU

Year: 811 Days

Day: 8 Hours

Environment

Temp: -189 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 23,778,114 km

• M1: 165,754 km (0.09 R)
• M2: 591,360 km (0.087 R)
• M3: 1,233,584 km (0.074 R)
• M4: 2,278,525 km (0.109 R)
• M5: 2,711,611 km (0.032 R)
• M6: 3,846,311 km (0.053 R)
• M7: 4,562,286 km (0.099 R)
• M8: 5,311,622 km (0.106 R)
• M9: 5,753,833 km (0.085 R)
• M10: 6,969,017 km (0.065 R)
• M11: 7,963,843 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.2

Radius: 13.5

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.06 AU - 1.58 AU

Year: 1066 Days

Day: 12.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 23,778,114 km

• M1: 169,644 km (0.084 R)
• M2: 693,237 km (0.061 R)
• M3: 1,280,259 km (0.042 R)
• M4: 1,813,276 km (0.092 R)
• M5: 2,363,646 km (0.093 R)
• M6: 2,983,580 km (0.072 R)
• M7: 3,790,810 km (0.116 R)
• M8: 4,570,963 km (0.111 R)
• M9: 5,518,516 km (0.061 R)
• M10: 6,152,063 km (0.103 R)
• M11: 6,833,780 km (0.064 R)
• M12: 7,409,882 km (0.109 R)
• M13: 7,910,137 km (0.104 R)
• M14: 9,608,970 km (0.057 R)
• M15: 10,077,361 km (0.041 R)
• M16: 10,858,561 km (0.071 R)
• M17: 11,436,009 km (0.08 R)
• M18: 12,213,619 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.8

Radius: 14.9

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.06 AU - 1.58 AU

Year: 1066 Days

Day: 14 Hours

Environment

Temp: -194 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 23,778,114 km

• M1: 185,352 km (0.083 R)
• M2: 969,843 km (0.061 R)
• M3: 1,611,468 km (0.102 R)
• M4: 2,355,269 km (0.077 R)
• M5: 3,080,071 km (0.03 R)
• M6: 3,722,294 km (0.085 R)
• M7: 4,469,984 km (0.104 R)
• M8: 5,828,931 km (0.098 R)
• M9: 6,374,814 km (0.068 R)
• M10: 6,908,878 km (0.117 R)
• M11: 8,169,540 km (0.082 R)
• M12: 8,720,359 km (0.114 R)
• M13: 9,212,087 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.8

Radius: 11.1

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.26 AU - 1.8 AU

Year: 1330 Days

Day: 5.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 23,778,114 km

• M1: 138,079 km (0.058 R)
• M2: 567,425 km (0.12 R)
• M3: 1,383,032 km (0.115 R)
• M4: 2,234,095 km (0.087 R)
• M5: 2,754,246 km (0.084 R)
• M6: 3,279,185 km (0.11 R)
• M7: 3,705,838 km (0.117 R)
• M8: 4,438,419 km (0.06 R)
• M9: 4,978,617 km (0.063 R)
• M10: 5,333,912 km (0.03 R)
• M11: 5,688,010 km (0.115 R)
• M12: 6,663,239 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.6

Radius: 9.4

Gravity: 9.81 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.53 AU - 2.41 AU

Year: 1944 Days

Day: 7.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 23,778,114 km

• M1: 116,986 km (0.078 R)
• M2: 434,731 km (0.06 R)
• M3: 732,132 km (0.09 R)
• M4: 1,035,367 km (0.099 R)
• M5: 2,112,472 km (0.117 R)
• M6: 2,532,243 km (0.104 R)
• M7: 3,593,640 km (0.112 R)
• M8: 4,155,530 km (0.092 R)
• M9: 4,624,968 km (0.102 R)
• M10: 5,220,816 km (0.082 R)
• M11: 5,719,127 km (0.036 R)
• M12: 6,068,587 km (0.032 R)
• M13: 6,432,409 km (0.06 R)
• M14: 7,318,777 km (0.088 R)
• M15: 8,732,925 km (0.082 R)
• M16: 10,175,647 km (0.114 R)
• M17: 11,494,352 km (0.086 R)
• M18: 11,891,236 km (0.066 R)
• M19: 13,309,274 km (0.09 R)
• M20: 13,924,869 km (0.107 R)
• M21: 14,421,684 km (0.069 R)
• M22: 16,229,723 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.4

Radius: 10.7

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.07 AU - 2.97 AU

Year: 2812 Days

Day: 6.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 23,778,114 km

• M1: 133,142 km (0.058 R)
• M2: 744,399 km (0.051 R)
• M3: 1,351,168 km (0.089 R)
• M4: 1,840,652 km (0.109 R)
• M5: 2,756,191 km (0.065 R)
• M6: 3,166,089 km (0.069 R)
• M7: 4,198,763 km (0.08 R)
• M8: 5,930,359 km (0.077 R)
• M9: 6,544,308 km (0.115 R)
• M10: 8,179,862 km (0.101 R)
• M11: 11,944,343 km (0.104 R)

Asteroid Belt

Center: 2.79 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384

Radius: 14.7

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.56 AU - 3.54 AU

Year: 3744 Days

Day: 13.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 23,778,114 km

• M1: 182,809 km (0.111 R)
• M2: 644,019 km (0.109 R)
• M3: 1,140,085 km (0.085 R)
• M4: 1,616,255 km (0.033 R)
• M5: 2,125,038 km (0.056 R)
• M6: 2,930,024 km (0.098 R)
• M7: 3,699,256 km (0.073 R)
• M8: 4,361,975 km (0.11 R)
• M9: 5,442,371 km (0.108 R)
• M10: 5,979,876 km (0.057 R)
• M11: 6,751,950 km (0.082 R)
• M12: 8,131,392 km (0.041 R)
• M13: 9,080,142 km (0.097 R)
• M14: 9,839,351 km (0.098 R)
• M15: 11,650,533 km (0.066 R)
• M16: 14,431,407 km (0.061 R)
• M17: 15,873,531 km (0.075 R)
• M18: 16,550,312 km (0.118 R)
• M19: 17,030,222 km (0.088 R)
• M20: 18,869,527 km (0.104 R)
• M21: 20,167,289 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.6

Radius: 12.3

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.55 AU - 3.91 AU

Year: 4080 Days

Day: 8 Hours

Environment

Temp: -219 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 23,778,114 km

• M1: 153,039 km (0.081 R)
• M2: 685,158 km (0.101 R)
• M3: 1,102,088 km (0.036 R)
• M4: 1,497,325 km (0.113 R)
• M5: 1,882,839 km (0.085 R)
• M6: 2,275,234 km (0.043 R)
• M7: 3,248,817 km (0.117 R)
• M8: 3,713,618 km (0.068 R)
• M9: 4,199,511 km (0.066 R)
• M10: 6,583,952 km (0.102 R)
• M11: 7,332,689 km (0.116 R)
• M12: 7,886,501 km (0.079 R)
• M13: 8,693,581 km (0.117 R)
• M14: 9,078,197 km (0.103 R)
• M15: 10,006,452 km (0.086 R)
• M16: 14,468,059 km (0.035 R)
• M17: 14,900,247 km (0.076 R)
• M18: 16,598,033 km (0.117 R)
• M19: 19,841,016 km (0.091 R)
• M20: 23,484,472 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 75.3

Radius: 3.2

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 5.37 AU - 6.79 AU

Year: 10538 Days

Day: 22.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 23,778,114 km

• M1: 39,793 km (0.079 R)
• M2: 173,683 km (0.055 R)
• M3: 359,783 km (0.103 R)
• M4: 501,901 km (0.109 R)
• M5: 636,838 km (0.066 R)
• M6: 2,020,768 km (0.092 R)
• M7: 2,488,710 km (0.111 R)
• M8: 3,634,181 km (0.097 R)
• M9: 3,989,326 km (0.097 R)
• M10: 4,529,225 km (0.086 R)
• M11: 6,380,050 km (0.119 R)
• M12: 6,926,681 km (0.041 R)
• M13: 7,906,098 km (0.101 R)
• M14: 10,175,049 km (0.114 R)
• M15: 10,460,332 km (0.115 R)
• M16: 11,046,905 km (0.106 R)
• M17: 22,450,601 km (0.118 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 500 - 13,888 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit