🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.5

Radius: 13.5

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.11 AU - 1.51 AU

Year: 1035 Days

Day: 8.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,979,299 km

• M1: 167,849 km (0.074 R)
• M2: 594,801 km (0.091 R)
• M3: 1,175,390 km (0.116 R)
• M4: 2,059,364 km (0.071 R)
• M5: 2,619,309 km (0.076 R)
• M6: 3,251,959 km (0.064 R)
• M7: 3,749,671 km (0.062 R)
• M8: 4,610,008 km (0.073 R)
• M9: 5,971,498 km (0.038 R)
• M10: 7,073,885 km (0.083 R)
• M11: 7,686,488 km (0.11 R)
• M12: 8,175,524 km (0.07 R)
• M13: 8,822,983 km (0.09 R)
• M14: 9,302,295 km (0.087 R)
• M15: 9,948,109 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.1

Radius: 10.1

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.5 AU - 1.88 AU

Year: 1516 Days

Day: 8.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 167.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 30,979,299 km

• M1: 125,812 km (0.114 R)
• M2: 448,046 km (0.112 R)
• M3: 850,913 km (0.108 R)
• M4: 1,276,070 km (0.107 R)
• M5: 1,609,673 km (0.076 R)
• M6: 2,064,750 km (0.073 R)
• M7: 2,387,283 km (0.113 R)
• M8: 2,782,670 km (0.087 R)
• M9: 3,164,294 km (0.076 R)
• M10: 3,643,307 km (0.117 R)
• M11: 4,050,662 km (0.089 R)
• M12: 4,452,182 km (0.09 R)
• M13: 4,918,628 km (0.113 R)
• M14: 6,610,880 km (0.098 R)
• M15: 7,094,679 km (0.117 R)
• M16: 7,998,101 km (0.103 R)
• M17: 9,005,493 km (0.036 R)
• M18: 10,445,372 km (0.106 R)
• M19: 11,373,029 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.5

Radius: 13.4

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.52 AU - 3.48 AU

Year: 3587 Days

Day: 10.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 86.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 30,979,299 km

• M1: 166,802 km (0.054 R)
• M2: 584,928 km (0.039 R)
• M3: 1,118,394 km (0.066 R)
• M4: 1,619,846 km (0.027 R)
• M5: 2,053,231 km (0.113 R)
• M6: 3,013,051 km (0.086 R)
• M7: 3,605,009 km (0.049 R)
• M8: 4,931,643 km (0.116 R)
• M9: 5,605,582 km (0.108 R)
• M10: 6,618,060 km (0.119 R)
• M11: 7,348,247 km (0.102 R)
• M12: 8,527,079 km (0.107 R)
• M13: 9,250,235 km (0.094 R)
• M14: 9,902,182 km (0.094 R)
• M15: 10,779,873 km (0.086 R)
• M16: 11,708,726 km (0.102 R)
• M17: 12,128,797 km (0.108 R)
• M18: 12,690,088 km (0.117 R)
• M19: 13,587,526 km (0.091 R)
• M20: 14,478,830 km (0.111 R)
• M21: 18,721,874 km (0.113 R)
• M22: 19,181,439 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.9

Radius: 8

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 3.59 AU - 3.63 AU

Year: 4734 Days

Day: 9.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,979,299 km

• M1: 99,931 km (0.089 R)
• M2: 350,358 km (0.12 R)
• M3: 728,242 km (0.087 R)
• M4: 1,065,286 km (0.095 R)
• M5: 2,256,684 km (0.063 R)
• M6: 2,682,739 km (0.071 R)
• M7: 3,117,171 km (0.049 R)
• M8: 4,073,400 km (0.077 R)
• M9: 4,382,170 km (0.096 R)
• M10: 6,097,609 km (0.088 R)
• M11: 6,478,336 km (0.09 R)
• M12: 7,446,384 km (0.118 R)
• M13: 7,798,836 km (0.093 R)
• M14: 8,507,781 km (0.119 R)
• M15: 9,762,458 km (0.084 R)
• M16: 10,484,417 km (0.056 R)
• M17: 10,996,790 km (0.032 R)
• M18: 11,561,522 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 328.5

Radius: 4.2

Gravity: 18.62 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 6.28 AU - 8.78 AU

Year: 14263 Days

Day: 21.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 30,979,299 km

• M1: 53,107 km (0.075 R)
• M2: 188,194 km (0.087 R)
• M3: 324,627 km (0.118 R)
• M4: 660,624 km (0.054 R)
• M5: 1,105,827 km (0.119 R)
• M6: 1,399,488 km (0.119 R)
• M7: 2,399,550 km (0.108 R)
• M8: 2,556,478 km (0.098 R)
• M9: 2,934,661 km (0.12 R)
• M10: 3,137,217 km (0.074 R)
• M11: 4,951,091 km (0.032 R)
• M12: 5,206,006 km (0.034 R)
• M13: 6,690,765 km (0.101 R)
• M14: 7,202,240 km (0.058 R)
• M15: 8,754,168 km (0.073 R)
• M16: 10,777,928 km (0.051 R)
• M17: 11,369,737 km (0.114 R)
• M18: 12,442,354 km (0.095 R)
• M19: 12,676,475 km (0.06 R)
• M20: 13,335,603 km (0.094 R)
• M21: 15,856,477 km (0.111 R)
• M22: 17,629,361 km (0.105 R)
• M23: 19,846,252 km (0.114 R)
• M24: 20,085,758 km (0.093 R)
• M25: 22,242,361 km (0.113 R)
• M26: 22,500,717 km (0.089 R)
• M27: 24,093,036 km (0.053 R)
• M28: 24,456,858 km (0.091 R)
• M29: 28,399,361 km (0.058 R)
• M30: 30,256,469 km (0.063 R)
• M31: 33,191,579 km (0.113 R)
• M32: 36,549,453 km (0.119 R)
• M33: 42,196,922 km (0.083 R)
• M34: 46,689,495 km (0.05 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 51

Radius: 3.2

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 7.81 AU - 10.45 AU

Year: 19042 Days

Day: 20.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,979,299 km

• M1: 58,792 km (0.058 R)
• M2: 1,255,874 km (0.113 R)
• M3: 2,348,387 km (0.111 R)
• M4: 2,465,523 km (0.086 R)
• M5: 2,621,852 km (0.074 R)
• M6: 2,954,259 km (0.033 R)
• M7: 3,724,538 km (0.103 R)
• M8: 9,056,655 km (0.068 R)
• M9: 10,561,310 km (0.076 R)
• M10: 11,020,127 km (0.118 R)
• M11: 15,410,376 km (0.11 R)
• M12: 15,644,347 km (0.043 R)
• M13: 18,508,997 km (0.117 R)
• M14: 20,343,366 km (0.078 R)
• M15: 25,737,715 km (0.076 R)
• M16: 28,190,223 km (0.063 R)
• M17: 29,338,386 km (0.113 R)
• M18: 30,242,706 km (0.099 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 301 - 18,093 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit