🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.72 AU - 1.04 AU

Year: 363 Days

Day: 16.3 Hours

Environment

Temp: -52 °C

Axial Tilt: 13.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.38 AU - 1.4 AU

Year: 721 Days

Day: 33.5 Hours

Environment

Temp: -96 °C

Axial Tilt: 2.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,505,874 km

• M1: 30,518 km (0.069 R)

Asteroid Belt

Center: 2.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.1

Radius: 14.9

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 3.46 AU - 4.28 AU

Year: 3348 Days

Day: 8 Hours

Environment

Temp: -164 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,505,874 km

• M1: 185,352 km (0.12 R)
• M2: 656,585 km (0.101 R)
• M3: 1,159,383 km (0.107 R)
• M4: 1,823,000 km (0.12 R)
• M5: 2,947,676 km (0.08 R)
• M6: 3,773,457 km (0.114 R)
• M7: 4,772,770 km (0.109 R)
• M8: 6,536,380 km (0.066 R)
• M9: 8,525,882 km (0.054 R)
• M10: 9,026,137 km (0.062 R)
• M11: 9,621,985 km (0.076 R)
• M12: 10,687,122 km (0.116 R)
• M13: 11,185,134 km (0.102 R)
• M14: 13,239,860 km (0.106 R)
• M15: 13,863,683 km (0.102 R)
• M16: 15,170,421 km (0.107 R)
• M17: 16,176,167 km (0.118 R)
• M18: 20,143,054 km (0.06 R)
• M19: 21,292,863 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.4

Radius: 14.4

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.87 AU - 4.43 AU

Year: 3717 Days

Day: 11.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,505,874 km

• M1: 181,612 km (0.078 R)
• M2: 663,467 km (0.113 R)
• M3: 1,114,504 km (0.098 R)
• M4: 1,807,591 km (0.107 R)
• M5: 2,342,254 km (0.061 R)
• M6: 3,883,411 km (0.099 R)
• M7: 4,548,673 km (0.071 R)
• M8: 5,008,686 km (0.098 R)
• M9: 6,108,979 km (0.073 R)
• M10: 7,629,043 km (0.093 R)
• M11: 8,141,415 km (0.08 R)
• M12: 8,823,582 km (0.096 R)
• M13: 10,550,390 km (0.1 R)
• M14: 11,582,466 km (0.042 R)
• M15: 13,158,629 km (0.052 R)
• M16: 13,847,676 km (0.115 R)
• M17: 15,405,439 km (0.094 R)
• M18: 16,115,730 km (0.094 R)
• M19: 17,192,834 km (0.05 R)
• M20: 18,317,511 km (0.107 R)
• M21: 21,043,633 km (0.12 R)
• M22: 21,782,348 km (0.084 R)
• M23: 23,028,348 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.3

Radius: 13

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 4.15 AU - 4.21 AU

Year: 3758 Days

Day: 14.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,505,874 km

• M1: 165,156 km (0.094 R)
• M2: 606,021 km (0.114 R)
• M3: 1,126,921 km (0.11 R)
• M4: 2,080,458 km (0.111 R)
• M5: 2,840,415 km (0.119 R)
• M6: 3,575,838 km (0.097 R)
• M7: 4,481,055 km (0.073 R)
• M8: 6,775,587 km (0.102 R)
• M9: 7,446,084 km (0.084 R)
• M10: 8,020,989 km (0.11 R)
• M11: 11,886,897 km (0.114 R)
• M12: 12,863,472 km (0.106 R)
• M13: 13,692,693 km (0.032 R)
• M14: 16,060,079 km (0.077 R)
• M15: 18,873,417 km (0.072 R)
• M16: 19,498,586 km (0.1 R)
• M17: 23,400,099 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.1

Radius: 12.6

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.7 AU - 5.22 AU

Year: 4142 Days

Day: 6.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,505,874 km

• M1: 156,928 km (0.053 R)
• M2: 723,007 km (0.065 R)
• M3: 1,156,840 km (0.056 R)
• M4: 1,757,476 km (0.066 R)
• M5: 2,416,155 km (0.072 R)
• M6: 3,064,812 km (0.059 R)
• M7: 4,940,470 km (0.103 R)
• M8: 6,567,795 km (0.064 R)
• M9: 7,283,172 km (0.101 R)
• M10: 9,909,213 km (0.11 R)
• M11: 11,804,768 km (0.061 R)
• M12: 16,949,439 km (0.116 R)
• M13: 19,514,294 km (0.097 R)
• M14: 19,910,280 km (0.073 R)
• M15: 23,944,186 km (0.102 R)
• M16: 24,550,955 km (0.05 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.4

Radius: 12.4

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 4.82 AU - 6.5 AU

Year: 5921 Days

Day: 11.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,505,874 km

• M1: 157,975 km (0.052 R)
• M2: 579,991 km (0.111 R)
• M3: 1,137,841 km (0.096 R)
• M4: 1,875,808 km (0.061 R)
• M5: 2,321,609 km (0.036 R)
• M6: 3,085,905 km (0.064 R)
• M7: 6,907,831 km (0.074 R)
• M8: 15,523,771 km (0.098 R)
• M9: 18,739,976 km (0.099 R)
• M10: 19,281,819 km (0.097 R)
• M11: 20,682,654 km (0.118 R)
• M12: 24,560,380 km (0.103 R)
• M13: 27,140,644 km (0.039 R)
• M14: 32,154,417 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 414.3

Radius: 4.6

Gravity: 19.58 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 15.03 AU - 17.25 AU

Year: 28512 Days

Day: 22.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 81,505,874 km

• M1: 72,256 km (0.044 R)
• M2: 262,095 km (0.092 R)
• M3: 607,068 km (0.113 R)
• M4: 800,797 km (0.074 R)
• M5: 1,127,818 km (0.104 R)
• M6: 2,002,816 km (0.118 R)
• M7: 3,343,961 km (0.115 R)
• M8: 3,953,124 km (0.099 R)
• M9: 5,309,079 km (0.114 R)
• M10: 5,588,976 km (0.051 R)
• M11: 5,963,121 km (0.088 R)
• M12: 6,807,750 km (0.108 R)
• M13: 7,429,778 km (0.031 R)
• M14: 10,299,514 km (0.12 R)
• M15: 11,910,534 km (0.101 R)
• M16: 16,279,839 km (0.117 R)
• M17: 16,531,163 km (0.1 R)
• M18: 26,697,685 km (0.084 R)
• M19: 30,457,827 km (0.065 R)
• M20: 32,265,867 km (0.12 R)
• M21: 39,306,541 km (0.047 R)
• M22: 43,825,145 km (0.088 R)
• M23: 46,797,056 km (0.117 R)
• M24: 47,645,725 km (0.099 R)
• M25: 55,373,203 km (0.115 R)
• M26: 55,562,145 km (0.103 R)
• M27: 56,705,222 km (0.087 R)
• M28: 67,276,257 km (0.107 R)
• M29: 67,491,528 km (0.094 R)
• M30: 71,892,847 km (0.102 R)
• M31: 78,847,503 km (0.099 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 466 - 17,244 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit