🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.1

Radius: 9.9

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.19 AU - 1.63 AU

Year: 1098 Days

Day: 5.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,347,788 km

• M1: 123,269 km (0.081 R)
• M2: 490,382 km (0.092 R)
• M3: 799,601 km (0.053 R)
• M4: 1,137,841 km (0.119 R)
• M5: 1,750,445 km (0.119 R)
• M6: 2,426,328 km (0.073 R)
• M7: 3,521,833 km (0.079 R)
• M8: 4,473,724 km (0.063 R)
• M9: 4,902,621 km (0.088 R)
• M10: 5,341,542 km (0.069 R)
• M11: 6,415,505 km (0.031 R)
• M12: 7,236,199 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.8

Radius: 14.4

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.61 AU - 1.81 AU

Year: 1467 Days

Day: 8.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,347,788 km

• M1: 179,368 km (0.11 R)
• M2: 693,087 km (0.083 R)
• M3: 1,213,688 km (0.086 R)
• M4: 1,879,099 km (0.086 R)
• M5: 2,602,255 km (0.092 R)
• M6: 3,079,472 km (0.096 R)
• M7: 3,533,203 km (0.101 R)
• M8: 4,433,034 km (0.085 R)
• M9: 4,929,100 km (0.106 R)
• M10: 5,499,218 km (0.119 R)
• M11: 6,582,606 km (0.086 R)
• M12: 7,186,532 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.8

Radius: 8.5

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.89 AU - 2.59 AU

Year: 2199 Days

Day: 5.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,347,788 km

• M1: 105,766 km (0.094 R)
• M2: 384,467 km (0.099 R)
• M3: 793,318 km (0.097 R)
• M4: 1,068,278 km (0.117 R)
• M5: 1,444,218 km (0.056 R)
• M6: 2,260,125 km (0.101 R)
• M7: 2,712,808 km (0.026 R)
• M8: 4,112,296 km (0.093 R)
• M9: 4,541,791 km (0.114 R)
• M10: 5,795,422 km (0.064 R)
• M11: 8,435,226 km (0.045 R)
• M12: 10,312,978 km (0.073 R)
• M13: 11,107,044 km (0.055 R)
• M14: 12,775,957 km (0.034 R)
• M15: 14,035,123 km (0.104 R)
• M16: 14,340,452 km (0.104 R)
• M17: 14,829,188 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.5

Radius: 9.2

Gravity: 9.48 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.9 AU - 2.6 AU

Year: 2214 Days

Day: 10.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,347,788 km

• M1: 114,742 km (0.093 R)
• M2: 484,248 km (0.063 R)
• M3: 805,435 km (0.1 R)
• M4: 1,107,024 km (0.116 R)
• M5: 1,690,606 km (0.117 R)
• M6: 2,523,716 km (0.088 R)
• M7: 3,222,488 km (0.082 R)
• M8: 3,553,997 km (0.114 R)
• M9: 5,231,886 km (0.086 R)
• M10: 5,970,002 km (0.118 R)
• M11: 7,293,345 km (0.05 R)
• M12: 7,652,829 km (0.078 R)
• M13: 8,570,462 km (0.035 R)
• M14: 9,141,327 km (0.082 R)
• M15: 9,559,603 km (0.114 R)
• M16: 10,814,131 km (0.09 R)
• M17: 12,216,761 km (0.078 R)
• M18: 12,940,216 km (0.077 R)
• M19: 13,246,143 km (0.108 R)
• M20: 14,055,468 km (0.118 R)
• M21: 14,897,405 km (0.098 R)
• M22: 16,071,598 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.3

Radius: 12.6

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.45 AU - 3.89 AU

Year: 3703 Days

Day: 12.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,347,788 km

• M1: 156,928 km (0.087 R)
• M2: 774,319 km (0.109 R)
• M3: 1,350,121 km (0.061 R)
• M4: 1,938,190 km (0.104 R)
• M5: 4,070,708 km (0.114 R)
• M6: 4,941,218 km (0.09 R)
• M7: 5,844,789 km (0.105 R)
• M8: 6,475,045 km (0.116 R)
• M9: 7,050,996 km (0.108 R)
• M10: 7,488,121 km (0.076 R)
• M11: 8,717,816 km (0.111 R)
• M12: 9,827,982 km (0.1 R)
• M13: 10,720,782 km (0.056 R)
• M14: 12,914,635 km (0.074 R)
• M15: 13,673,844 km (0.1 R)
• M16: 15,115,219 km (0.087 R)
• M17: 17,372,801 km (0.115 R)
• M18: 19,714,606 km (0.072 R)
• M19: 25,171,487 km (0.101 R)
• M20: 26,276,118 km (0.07 R)
• M21: 27,495,191 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 345.6

Radius: 7.3

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 5.48 AU - 7.18 AU

Year: 10448 Days

Day: 25 Hours

Environment

Temp: -225 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,347,788 km

• M1: 97,987 km (0.104 R)
• M2: 593,006 km (0.091 R)
• M3: 828,473 km (0.044 R)
• M4: 2,599,413 km (0.071 R)
• M5: 3,545,021 km (0.112 R)
• M6: 5,860,646 km (0.102 R)
• M7: 7,660,009 km (0.096 R)
• M8: 8,264,684 km (0.087 R)
• M9: 9,164,216 km (0.052 R)
• M10: 11,105,996 km (0.113 R)
• M11: 12,689,789 km (0.098 R)
• M12: 17,027,678 km (0.102 R)
• M13: 22,829,383 km (0.111 R)
• M14: 23,909,480 km (0.108 R)
• M15: 26,803,301 km (0.033 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 571.4

Radius: 3.1

Gravity: 59.46 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 6.63 AU - 7.09 AU

Year: 11787 Days

Day: 17.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 50,347,788 km

• M1: 40,691 km (0.059 R)
• M2: 176,675 km (0.095 R)
• M3: 294,558 km (0.112 R)
• M4: 634,893 km (0.087 R)
• M5: 751,580 km (0.111 R)
• M6: 1,166,714 km (0.112 R)
• M7: 1,265,598 km (0.1 R)
• M8: 1,522,906 km (0.04 R)
• M9: 1,671,607 km (0.054 R)
• M10: 1,946,867 km (0.072 R)
• M11: 3,139,162 km (0.066 R)
• M12: 4,010,719 km (0.083 R)
• M13: 6,633,918 km (0.117 R)
• M14: 6,910,374 km (0.105 R)
• M15: 11,514,099 km (0.078 R)
• M16: 12,028,716 km (0.094 R)
• M17: 12,738,408 km (0.099 R)
• M18: 13,350,862 km (0.099 R)
• M19: 13,791,129 km (0.109 R)
• M20: 14,568,140 km (0.083 R)
• M21: 15,102,055 km (0.058 R)
• M22: 16,782,039 km (0.076 R)
• M23: 19,052,037 km (0.052 R)
• M24: 19,369,334 km (0.095 R)
• M25: 21,604,176 km (0.074 R)
• M26: 24,468,078 km (0.112 R)
• M27: 27,879,059 km (0.098 R)
• M28: 29,117,730 km (0.118 R)
• M29: 32,261,828 km (0.084 R)
• M30: 36,227,219 km (0.098 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 241 - 10,719 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit