🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.9

Radius: 13.8

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.72 AU - 0.84 AU

Year: 476 Days

Day: 10.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,879,791 km

• M1: 171,589 km (0.053 R)
• M2: 744,249 km (0.078 R)
• M3: 1,476,531 km (0.085 R)
• M4: 1,939,536 km (0.086 R)
• M5: 3,031,302 km (0.081 R)
• M6: 3,612,789 km (0.048 R)
• M7: 4,071,306 km (0.048 R)
• M8: 4,610,906 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.3

Radius: 11.6

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.71 AU - 1.03 AU

Year: 560 Days

Day: 11.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,879,791 km

• M1: 144,212 km (0.112 R)
• M2: 538,104 km (0.072 R)
• M3: 935,884 km (0.083 R)
• M4: 1,323,044 km (0.077 R)
• M5: 1,745,957 km (0.091 R)
• M6: 2,269,400 km (0.116 R)
• M7: 2,715,351 km (0.038 R)
• M8: 3,785,724 km (0.114 R)
• M9: 4,654,139 km (0.04 R)
• M10: 5,016,465 km (0.101 R)
• M11: 5,505,052 km (0.083 R)
• M12: 5,949,059 km (0.089 R)
• M13: 7,338,524 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380

Radius: 11.3

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.71 AU - 1.11 AU

Year: 599 Days

Day: 12.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,879,791 km

• M1: 140,472 km (0.065 R)
• M2: 736,620 km (0.102 R)
• M3: 1,331,870 km (0.039 R)
• M4: 1,728,454 km (0.092 R)
• M5: 2,186,971 km (0.065 R)
• M6: 2,925,087 km (0.066 R)
• M7: 3,376,424 km (0.073 R)
• M8: 3,732,467 km (0.079 R)
• M9: 4,293,010 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.1

Radius: 14.6

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.33 AU - 1.57 AU

Year: 1205 Days

Day: 10.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,879,791 km

• M1: 182,210 km (0.087 R)
• M2: 681,119 km (0.119 R)
• M3: 1,197,980 km (0.115 R)
• M4: 1,703,621 km (0.075 R)
• M5: 2,159,296 km (0.091 R)
• M6: 2,640,253 km (0.032 R)
• M7: 3,128,241 km (0.066 R)
• M8: 3,662,455 km (0.113 R)
• M9: 4,354,644 km (0.101 R)
• M10: 6,250,797 km (0.059 R)
• M11: 6,878,959 km (0.102 R)
• M12: 7,525,072 km (0.078 R)
• M13: 7,986,432 km (0.108 R)
• M14: 8,492,671 km (0.076 R)
• M15: 9,047,081 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.1

Radius: 8.1

Gravity: 10.34 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.75 AU - 1.93 AU

Year: 1723 Days

Day: 6.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,879,791 km

• M1: 100,829 km (0.118 R)
• M2: 433,684 km (0.082 R)
• M3: 758,012 km (0.037 R)
• M4: 1,228,498 km (0.105 R)
• M5: 1,484,460 km (0.119 R)
• M6: 1,882,390 km (0.095 R)
• M7: 2,178,295 km (0.095 R)
• M8: 2,585,051 km (0.107 R)
• M9: 4,420,767 km (0.111 R)
• M10: 5,204,510 km (0.118 R)
• M11: 6,005,457 km (0.081 R)
• M12: 6,397,852 km (0.114 R)
• M13: 7,907,594 km (0.117 R)
• M14: 8,591,705 km (0.105 R)
• M15: 9,908,316 km (0.084 R)
• M16: 10,387,179 km (0.063 R)
• M17: 11,502,431 km (0.098 R)
• M18: 12,147,048 km (0.112 R)
• M19: 13,342,784 km (0.078 R)
• M20: 13,969,300 km (0.063 R)
• M21: 14,571,581 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.8

Radius: 11

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.44 AU - 5.72 AU

Year: 6766 Days

Day: 13.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,879,791 km

• M1: 137,780 km (0.097 R)
• M2: 684,709 km (0.108 R)
• M3: 1,175,839 km (0.105 R)
• M4: 1,951,504 km (0.089 R)
• M5: 3,332,592 km (0.066 R)
• M6: 3,997,106 km (0.095 R)
• M7: 4,982,656 km (0.105 R)
• M8: 6,308,243 km (0.102 R)
• M9: 9,477,474 km (0.069 R)
• M10: 13,114,049 km (0.063 R)
• M11: 14,710,108 km (0.039 R)
• M12: 16,194,867 km (0.093 R)
• M13: 19,594,180 km (0.073 R)
• M14: 27,513,292 km (0.083 R)
• M15: 28,621,813 km (0.115 R)

Asteroid Belt

Center: 6.62 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 778.1

Radius: 6.6

Gravity: 17.86 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 8.5 AU - 8.82 AU

Year: 17591 Days

Day: 16.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 72,879,791 km

• M1: 214,224 km (0.077 R)
• M2: 1,101,040 km (0.105 R)
• M3: 1,332,319 km (0.057 R)
• M4: 1,612,665 km (0.058 R)
• M5: 2,087,189 km (0.098 R)
• M6: 2,489,907 km (0.065 R)
• M7: 3,394,376 km (0.083 R)
• M8: 4,568,569 km (0.079 R)
• M9: 6,032,983 km (0.09 R)
• M10: 7,307,407 km (0.055 R)
• M11: 7,834,740 km (0.097 R)
• M12: 9,181,719 km (0.074 R)
• M13: 10,377,155 km (0.063 R)
• M14: 11,996,702 km (0.107 R)
• M15: 13,073,059 km (0.113 R)
• M16: 19,982,087 km (0.057 R)
• M17: 21,587,122 km (0.118 R)
• M18: 22,075,111 km (0.072 R)
• M19: 22,371,464 km (0.09 R)
• M20: 35,431,807 km (0.045 R)
• M21: 35,974,249 km (0.112 R)
• M22: 46,709,242 km (0.104 R)
• M23: 47,525,448 km (0.107 R)
• M24: 55,666,864 km (0.056 R)
• M25: 65,908,035 km (0.072 R)
• M26: 67,347,914 km (0.118 R)
• M27: 71,577,345 km (0.079 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 248 - 17,937 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit