🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.4

Radius: 12

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.94 AU - 1.38 AU

Year: 807 Days

Day: 8.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 64,295,428 km

• M1: 149,448 km (0.078 R)
• M2: 587,321 km (0.092 R)
• M3: 2,739,137 km (0.085 R)
• M4: 5,055,959 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.3

Radius: 9.8

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.6 AU - 1.78 AU

Year: 1419 Days

Day: 7.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,295,428 km

• M1: 123,418 km (0.042 R)
• M2: 475,422 km (0.085 R)
• M3: 782,546 km (0.117 R)
• M4: 1,420,731 km (0.049 R)
• M5: 1,874,910 km (0.077 R)
• M6: 2,363,796 km (0.063 R)
• M7: 4,122,020 km (0.111 R)
• M8: 4,715,474 km (0.051 R)
• M9: 5,645,524 km (0.091 R)
• M10: 6,354,170 km (0.099 R)
• M11: 6,792,342 km (0.097 R)
• M12: 8,898,231 km (0.105 R)
• M13: 9,354,056 km (0.025 R)
• M14: 9,921,780 km (0.055 R)
• M15: 10,279,917 km (0.104 R)
• M16: 10,953,107 km (0.06 R)
• M17: 11,583,962 km (0.057 R)
• M18: 12,462,400 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.1

Radius: 8.1

Gravity: 14.24 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.53 AU - 3.51 AU

Year: 3389 Days

Day: 5.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,295,428 km

• M1: 101,128 km (0.046 R)
• M2: 363,672 km (0.066 R)
• M3: 721,959 km (0.09 R)
• M4: 1,148,313 km (0.103 R)
• M5: 1,447,060 km (0.07 R)
• M6: 1,926,821 km (0.098 R)
• M7: 2,233,646 km (0.093 R)
• M8: 3,395,423 km (0.094 R)
• M9: 4,993,128 km (0.098 R)
• M10: 6,535,632 km (0.059 R)
• M11: 7,600,769 km (0.115 R)
• M12: 10,957,595 km (0.09 R)
• M13: 11,264,420 km (0.104 R)
• M14: 12,645,059 km (0.098 R)
• M15: 14,709,510 km (0.109 R)
• M16: 15,137,061 km (0.09 R)
• M17: 15,627,891 km (0.105 R)
• M18: 20,271,110 km (0.082 R)
• M19: 21,956,779 km (0.091 R)
• M20: 22,798,267 km (0.063 R)
• M21: 25,146,953 km (0.104 R)
• M22: 25,758,509 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.8

Radius: 10.6

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 3.42 AU - 4.58 AU

Year: 5165 Days

Day: 6.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 144.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 64,295,428 km

• M1: 133,142 km (0.087 R)
• M2: 474,225 km (0.097 R)
• M3: 837,150 km (0.093 R)
• M4: 1,282,652 km (0.098 R)
• M5: 1,897,799 km (0.113 R)
• M6: 2,441,587 km (0.057 R)
• M7: 2,924,339 km (0.081 R)
• M8: 3,390,935 km (0.11 R)
• M9: 3,842,122 km (0.101 R)
• M10: 4,218,062 km (0.115 R)
• M11: 4,642,920 km (0.093 R)
• M12: 5,018,709 km (0.05 R)
• M13: 5,746,503 km (0.07 R)
• M14: 7,378,616 km (0.12 R)
• M15: 7,892,036 km (0.11 R)
• M16: 9,736,877 km (0.052 R)
• M17: 11,043,016 km (0.069 R)
• M18: 12,225,736 km (0.038 R)
• M19: 14,103,638 km (0.111 R)
• M20: 15,003,021 km (0.104 R)
• M21: 16,280,138 km (0.099 R)
• M22: 17,329,268 km (0.104 R)
• M23: 19,690,969 km (0.088 R)
• M24: 20,346,657 km (0.056 R)
• M25: 20,679,811 km (0.099 R)
• M26: 21,563,187 km (0.075 R)
• M27: 22,613,663 km (0.047 R)
• M28: 24,514,603 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.4

Radius: 13.6

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 5.34 AU - 5.36 AU

Year: 7990 Days

Day: 6.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,295,428 km

• M1: 169,494 km (0.116 R)
• M2: 762,650 km (0.044 R)
• M3: 1,692,700 km (0.111 R)
• M4: 2,404,935 km (0.096 R)
• M5: 2,923,442 km (0.067 R)
• M6: 3,423,697 km (0.081 R)
• M7: 4,295,852 km (0.071 R)
• M8: 4,741,654 km (0.069 R)
• M9: 5,993,938 km (0.11 R)
• M10: 7,032,147 km (0.09 R)
• M11: 7,495,601 km (0.08 R)
• M12: 10,420,688 km (0.034 R)
• M13: 13,441,219 km (0.081 R)
• M14: 13,915,893 km (0.064 R)
• M15: 15,279,179 km (0.12 R)
• M16: 16,594,293 km (0.116 R)
• M17: 19,299,173 km (0.1 R)
• M18: 20,211,121 km (0.057 R)
• M19: 23,120,052 km (0.048 R)
• M20: 28,183,640 km (0.118 R)
• M21: 30,158,183 km (0.096 R)
• M22: 32,540,978 km (0.063 R)
• M23: 34,935,292 km (0.101 R)
• M24: 37,328,109 km (0.113 R)
• M25: 41,932,732 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 903.6

Radius: 5.6

Gravity: 28.81 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 5.23 AU - 8.53 AU

Year: 11652 Days

Day: 20.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 64,295,428 km

• M1: 69,713 km (0.082 R)
• M2: 375,939 km (0.068 R)
• M3: 663,766 km (0.094 R)
• M4: 1,056,610 km (0.109 R)
• M5: 1,265,598 km (0.093 R)
• M6: 1,444,068 km (0.082 R)
• M7: 1,623,735 km (0.102 R)
• M8: 1,818,512 km (0.106 R)
• M9: 2,197,294 km (0.076 R)
• M10: 2,477,939 km (0.104 R)
• M11: 2,714,902 km (0.065 R)
• M12: 2,990,761 km (0.109 R)
• M13: 3,680,108 km (0.1 R)
• M14: 4,195,173 km (0.088 R)
• M15: 5,546,191 km (0.107 R)
• M16: 10,555,925 km (0.078 R)
• M17: 10,950,415 km (0.034 R)
• M18: 11,829,152 km (0.102 R)
• M19: 14,538,220 km (0.053 R)
• M20: 18,109,720 km (0.106 R)
• M21: 20,528,867 km (0.085 R)
• M22: 21,770,230 km (0.09 R)
• M23: 26,612,414 km (0.071 R)
• M24: 28,193,963 km (0.114 R)
• M25: 29,837,295 km (0.114 R)
• M26: 42,595,002 km (0.076 R)
• M27: 46,383,717 km (0.054 R)
• M28: 46,684,110 km (0.099 R)
• M29: 47,440,926 km (0.099 R)
• M30: 50,074,895 km (0.067 R)
• M31: 58,209,579 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 899.8

Radius: 4.6

Gravity: 42.52 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 6.71 AU - 8.51 AU

Year: 13555 Days

Day: 17.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 64,295,428 km

• M1: 73,303 km (0.081 R)
• M2: 372,798 km (0.102 R)
• M3: 518,955 km (0.048 R)
• M4: 695,630 km (0.12 R)
• M5: 890,855 km (0.086 R)
• M6: 1,279,959 km (0.11 R)
• M7: 1,689,708 km (0.092 R)
• M8: 2,718,044 km (0.064 R)
• M9: 3,444,790 km (0.053 R)
• M10: 4,016,254 km (0.102 R)
• M11: 4,681,815 km (0.101 R)
• M12: 4,919,227 km (0.109 R)
• M13: 5,129,113 km (0.087 R)
• M14: 5,492,037 km (0.073 R)
• M15: 5,641,934 km (0.055 R)
• M16: 5,949,956 km (0.076 R)
• M17: 6,684,182 km (0.075 R)
• M18: 7,476,752 km (0.118 R)
• M19: 8,330,357 km (0.11 R)
• M20: 8,679,070 km (0.117 R)
• M21: 10,116,257 km (0.12 R)
• M22: 11,038,976 km (0.055 R)
• M23: 12,461,652 km (0.119 R)
• M24: 15,740,389 km (0.062 R)
• M25: 20,524,229 km (0.045 R)
• M26: 21,529,228 km (0.117 R)
• M27: 27,375,064 km (0.044 R)
• M28: 28,145,044 km (0.066 R)
• M29: 29,613,198 km (0.093 R)
• M30: 37,860,080 km (0.077 R)
• M31: 39,091,270 km (0.077 R)
• M32: 42,650,652 km (0.059 R)
• M33: 51,395,096 km (0.069 R)
• M34: 51,561,150 km (0.118 R)
• M35: 52,229,254 km (0.087 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 222 - 14,854 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit